CN203784488U - Silencing pipe - Google Patents
Silencing pipe Download PDFInfo
- Publication number
- CN203784488U CN203784488U CN201420017509.2U CN201420017509U CN203784488U CN 203784488 U CN203784488 U CN 203784488U CN 201420017509 U CN201420017509 U CN 201420017509U CN 203784488 U CN203784488 U CN 203784488U
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- CN
- China
- Prior art keywords
- pipe fitting
- sound deadening
- deadening pipe
- utility
- sound
- 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
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- Pipe Accessories (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The utility model discloses a silencing pipe. The silencing pipe provided by the utility model comprises an inner pipe (2) and an outer pipe (3) which are coaxial, and the outer wall of the inner pipe (2) is connected with the inner wall of the outer pipe (3) through connectors (21). Because the pipe is arranged as a double-layered structure, a plurality of air cavities are preferably formed after the two layers of pipes are connected through the connectors (21), so that the difference between the propagation speed of sound in a solid and the propagation speed of sound in the air is utilized, i.e., with respect to the plastic pipe body, the propagation speed of sound in the air is far lower than the propagation speed of sound in the plastic, and meanwhile, the overall thickness of the wall is increased as well; consequently, the propagation of sound is greatly blocked because of the increase of the wall thickness, at the same time, the propagation speed is decreased as well because of the existence of the air cavities, and therefore noise is reduced. By utilizing the silencing pipe provided by the utility model, the high noise produced in the process of water delivery can be greatly reduced.
Description
Technical field
The utility model relates to pipe fitting, particularly, relates to a kind of sound deadening pipe fitting.
Background technique
Pipe fitting is as a kind of means of delivery, in daily life with extensive use in producing.In daily life and producing, pipe fitting is convenient with its using method, have wide range of applications and receive much concern.
But in practice, the impact as the pipe fitting of transport liquid because of current, often can produce larger noise, bring great inconvenience to daily life and production.So, a kind of sound deadening pipe fitting that can reduce current noise in transportation process is provided, be the problem that the utility model is needed solution badly.
Model utility content
For above-mentioned prior art, the purpose of this utility model is in current transportation process, can produce the deficiency of larger noise in order to overcome existing pipe fitting, and a kind of new sound deadening pipe fitting is provided.
To achieve these goals, the utility model provides a kind of sound deadening pipe fitting, and wherein, described sound deadening pipe fitting comprises the inner and outer tubes of coaxial setting, between the outer wall of described inner tube and the inwall of described outer tube, by link, connects.
Preferably, described link is plate, and one group of opposite side on the outer wall that is connected to inner tube of described plate and the inwall of outer tube extends along the axial direction of sound deadening pipe fitting, and another group opposite side extends along the radial direction of sound deadening pipe fitting.
Preferably, the number of described link is 10-30 bar, and more preferably, a plurality of links are divided equally and arranged along the circumferencial direction of sound deadening pipe fitting.
Preferably, on described outer tube outer wall, also dispose noise reduction band.
Preferably, described outer tube disposes the end at main body and main body two ends, and described noise reduction band is disposed on described main body outer surface.
Preferably, described noise reduction band is disposed on the periphery wall of described main body along the circumferential direction of described outer tube, and described noise reduction band is circular arc and/or annulus.
Preferably, described noise reduction band is many, and described noise reduction band is annulus, and arranges in the periphery wall equal intervals of described main body; Or described noise reduction band comprises circular arc and annulus, and described circular arc and annulus are in the periphery wall equal intervals of described main body and be intervally arranged.
Preferably, also dispose spiral bar on the internal surface of described inner tube, preferably, described spiral bar is many, and many spiral bars on described interior pipe internal surface are parallel to each other.
Preferably, between the inwall of described outer tube and the outer wall of described inner tube, be also filled with quieter material.
Preferably, described sound deadening pipe fitting is structure as a whole.
The utility model is set to double layer construction by pipe fitting, after connecting by link between two-layer body, be preferably formed a plurality of air cavitys, and then use sound velocity of propagation inconsistent in solid and air, for the body of plastic material, the aerial velocity of propagation of sound is much smaller than the velocity of propagation in plastics, simultaneously, also increased the integral thickness of tube wall, both because of the increase of pipe thickness, greatly intercepted the propagation of sound, also because of the existence of air cavity, reduced velocity of propagation, thereby reduced noise simultaneously.The sound deadening pipe fitting that utilizes the utility model to provide, can be reduced in the larger noise producing in current transportation process greatly.
Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of sound deadening pipe fitting of providing of the utility model;
Fig. 2 be a kind of sound deadening pipe fitting of providing of the utility model along axial sectional drawing.
Description of reference numerals
2-inner tube 3-outer tube
11-end 12-main body
13-noise reduction band 21-link
22-spiral bar.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
Fig. 1 is the surface structure schematic diagram of a kind of sound deadening pipe fitting of providing of the utility model; Fig. 2 be a kind of sound deadening pipe fitting of providing of the utility model along axial sectional drawing.As shown in Figure 1, the utility model provides a kind of sound deadening pipe fitting, and wherein, described sound deadening pipe fitting comprises inner tube 2 and the outer tube 3 of coaxial setting, between the outer wall of described inner tube 2 and the inwall of described outer tube 3, by link 21, connects.As shown in Figure 2, under preferable case, in order to reach better reinforing function, and form a plurality of air cavitys and there is better silencing function, the number of described link 21 is 10-30 bar, and more preferably, a plurality of links 21 are divided equally and arranged along the circumferencial direction of sound deadening pipe fitting.Described link 21 is plate, and one group of opposite side on the outer wall that is connected to inner tube 2 of described plate and the inwall of outer tube 3 extends along the axial direction of sound deadening pipe fitting, and another group opposite side extends along the radial direction of sound deadening pipe fitting.
The utility model is set to double layer construction by pipe fitting, between two-layer body, form cavity, and then utilize sound velocity of propagation inconsistent in solid and air, for the body of plastic material, the aerial velocity of propagation of sound is much smaller than the velocity of propagation in plastics, meanwhile, also increased the integral thickness of tube wall, both because of the increase of pipe thickness, greatly intercepted the propagation of sound, also because of the existence of cavity, reduced velocity of propagation, thereby reduced noise simultaneously.Simultaneously also by link 21 is set between inner and outer tubes, in the cavity that described link 21 is formed at inner tube 2 and outer tube 3, divide equally arrange and shape consistent, thereby above-mentioned cavity is divided into a plurality of air cavitys of the same size, and then avoids causing because of unbalance stress the reduction in sound deadening pipe fitting life-span.Preferably, described link 21 is integrated molding and forming with described inner tube 2 and outer tube 3.
In addition, described link 21, if the material of plate can be the various materials that are applicable in pipe fitting, for example, can be polyolefine material, concrete, can be polyethylene.
Of the present utility model a kind of preferred embodiment in, as shown in Figure 1, on described outer tube 3 outer walls, also dispose noise reduction band 13, and preferred described noise reduction band 13 is integrated molding and forming with described body.Described noise reduction band is the protruding band being arranged on outer tube 3 outer walls.
According to the utility model, because pipe fitting two ends water impact pressure is larger, in order to strengthen the intensity at sound deadening pipe fitting two ends, preferably, described outer tube 3 disposes the end 11 at main body 12 and main body 12 two ends.End 11 pipe thicknesses at main body 12 and main body 12 two ends can be consistent or inconsistent, in order to increase the intensity of end, two ends 11, a kind of preferred embodiment in, the outer diameter of described main body 12 is less than the outer diameter of end 11 at described main body 12 two ends and the inner diameter of the end 11 at main body 12 and main body 12 two ends equates, 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 preferred, described noise reduction band 13 is circular arc and/or circular being equidistantly disposed on described main body 12 outer surfaces along the circumferential direction of described outer tube 3.According to wherein preferred embodiment a kind of, described noise reduction band 13 is annulus; According to another preferred embodiment, described noise reduction band 13 comprises annulus and circular arc, and described annulus and circular arc are in the periphery wall equal intervals of described main body 12 and be intervally arranged.By noise reduction band 13 is set on outer wall, promote the intensity of body largelyr, use noise reduction band 13 simultaneously, reduce current by time the body resonance that produces, and then further reduce the noise producing.
In another preferred embodiment of the present utility model, on the internal surface of described inner tube 2, also dispose spiral bar 22, preferred described spiral bar 22 is many, and many spiral bars 22 on described inner tube 2 internal surfaces are parallel to each other.The spiral bar 22 configuring on inner tube 2 internal surfaces, for to be arranged on the raised item on inner tube 2 internal surfaces, for example, can be arranged to spiral-shaped raised line.Preferably, described spiral bar 22 is integrated molding and forming with described body.By spiral bar 22 is set at inboard wall of tube body, utilize spiral bar 22 to carry out water conservancy diversion to current, current in pipeline are stayed by rotation, because of current when flowing and the inwall of pipe fitting be close together, so in lateral current inlet pipe part, just can pipe fitting inner wall not produced repeatedly and be impacted, thereby reduction noise, simultaneously when current flow down along tube wall, in pipeline the inside, have a unimpeded whirlpool air column, make internal pipe pressure larger fluctuation can not occur, can greatly reduce when current after colliding, hung down touch with air together with time the various noises and the bubble sound that send, while is because of the configuration of spiral bar 22, increased the compressive strength of body, promoted water displacement.
In another embodiment of the present utility model, between the inwall of described outer tube 3 and the outer wall of described inner tube 2, be also filled with quieter material.By filling quieter material, more effectively intercept the noise that current produce, thereby further reduce noise.Described quieter material can be the various quieter materials of related domain routine, and for example, described quieter material can be selected from one or more in wave cotton, oil cellucotton and glass fibre cotton.
Preferably, described sound deadening pipe fitting is structure as a whole.The sound deadening pipe fitting of this integrative-structure is that the conventional production method production of using in related domain obtains, a for example mould molding and forming, by described sound deadening pipe fitting is arranged to integrative-structure, separation between each parts of sound deadening pipe fitting of having avoided causing because of factors such as water impact, avoids the increase of the cost of repairs that causes because of various external force factors.
According to a kind of concrete mode of execution of the present utility model, as shown in Figure 1, the utility model provides a kind of sound deadening pipe fitting, wherein, described sound deadening pipe fitting comprises inner tube 2 and the outer tube 3 of coaxial setting, between the outer wall of described inner tube 2 and the inwall of described outer tube 3, by link 21, connects.As shown in Figure 2, described link 21 is plate, and one group of opposite side on the outer wall that is connected to inner tube 2 of described plate and the inwall of outer tube 3 extends along the axial direction of sound deadening pipe fitting, and another group opposite side extends along the radial direction of sound deadening pipe fitting.The number of described link 21 is 20 and divides equally and arrange along the circumferencial direction of sound deadening pipe fitting.Described outer tube 3 disposes the end 11 at main body 12 and main body 12 two ends, the outer diameter of end 11 is greater than the outer diameter of main body 12, the inner diameter of the inner diameter of end 11 and main body 12 equates, on described outer tube 3 outer walls, also dispose many noise reduction bands 13, described noise reduction band 13 is circular along the circumferential direction of described outer tube 3 and is equidistantly disposed on described main body 12 outer surfaces.Many the spiral bars 22 that also dispose on the internal surface of described inner tube 2 on many spiral bars 22 and described inner tube 2 internal surfaces are parallel to each other.Described body is a mould molding and forming.Between the outer wall of the inwall of described outer tube 3 and described inner tube 2, be also filled with quieter material glass fibre cotton.
The mode of execution concrete according to another kind of the present utility model, the utility model provides a kind of sound deadening pipe fitting, wherein, described sound deadening pipe fitting comprises inner tube 2 and the outer tube 3 of coaxial setting, between the outer wall of described inner tube 2 and the inwall of described outer tube 3, by link 21, connects.Described link 21 is plate, and one group of opposite side on the outer wall that is connected to inner tube 2 of described plate and the inwall of outer tube 3 extends along the axial direction of sound deadening pipe fitting, and another group opposite side extends along the radial direction of sound deadening pipe fitting.The number of described link 21 is 20 and divides equally and arrange along the circumferencial direction of sound deadening pipe fitting.Described outer tube 3 disposes the end 11 at main body 12 and main body 12 two ends, the outer diameter of end 11 is greater than the outer diameter of main body 12, the inner diameter of the inner diameter of end 11 and main body 12 equates, on described outer tube 3 outer walls, also dispose many noise reduction bands 13, described noise reduction band 13 comprises circular arc and annulus, and circular arc and annulus are staggered and equidistantly arrange along the circumferential direction of described outer tube 3.Preferably, the arc length of every circular arc all equates, and described circular arc aligned fashion, or, described circular arc relatively distribute (for example, the body surface at the place of every major arc can to form the minor arc part of annulus relative with this major arc).By noise reduction band 13 being arranged to annulus and circular arc, alternately arrange, both reached the as above consistent erasure effect of a mode of execution, also relatively saved material, reduced cost of production.Many the spiral bars 22 that also dispose on the internal surface of described inner tube 2 on many spiral bars 22 and described inner tube 2 internal surfaces are parallel to each other.Described body is a mould molding and forming.Between the outer wall of the inwall of described outer tube 3 and described inner tube 2, be also filled with quieter material wave cotton.
In addition, according to the utility model, the material of described inner tube 2 and outer tube 3 can be the material of the conventional pipe fitting in related domain, and for example, polyolefin, is specifically as follows polyethylene.
The sound deadening pipe fitting of said structure is set to double layer construction and between double layer construction, is filled quieter material by body, thereby intercepted the propagation of sound, reduced the generation of noise, pass through at body outer installment noise reduction band 13 again, increased the intensity of body and reduced resonance, thereby having reached the object that reduces noise.Simultaneously by spiral bar 22 is set at inner surface of tube body, thereby current have been carried out to water conservancy diversion, also improved the intensity of tubing simultaneously, both increased the intensity of body, also improved water displacement.By said structure, design, thereby reduced the noise that produces in water flow process, played the effect of noise reduction.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, between various mode of execution of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. a sound deadening pipe fitting, is characterized in that, described sound deadening pipe fitting comprises inner tube (2) and the outer tube (3) of coaxial setting, between the outer wall of described inner tube (2) and the inwall of described outer tube (3), by link (21), connects.
2. sound deadening pipe fitting according to claim 1, it is characterized in that, described link (21) is plate, one group of opposite side on the outer wall that is connected to inner tube (2) of described plate and the inwall of outer tube (3) extends along the axial direction of sound deadening pipe fitting, and another group opposite side extends along the radial direction of sound deadening pipe fitting.
3. sound deadening pipe fitting according to claim 1, is characterized in that, the number of described link (21) is 10-30 bar.
4. sound deadening pipe fitting according to claim 3, is characterized in that, a plurality of links (21) are divided equally and arranged along the circumferencial direction of sound deadening pipe fitting.
5. sound deadening pipe fitting according to claim 1, is characterized in that, is also provided with spiral bar (22) on the internal surface of described inner tube (2).
6. sound deadening pipe fitting according to claim 5, is characterized in that, described spiral bar (22) is many, and many spiral bars (22) on described inner tube (2) internal surface are parallel to each other.
7. according to the sound deadening pipe fitting described in claim 1-6, it is characterized in that, between the inwall of described outer tube (3) and the outer wall of described inner tube (2), be also filled with quieter material.
8. according to the sound deadening pipe fitting described in claim 1-6, it is characterized in that, described sound deadening pipe fitting is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017509.2U CN203784488U (en) | 2014-01-10 | 2014-01-10 | Silencing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017509.2U CN203784488U (en) | 2014-01-10 | 2014-01-10 | Silencing pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203784488U true CN203784488U (en) | 2014-08-20 |
Family
ID=51320675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017509.2U Expired - Fee Related CN203784488U (en) | 2014-01-10 | 2014-01-10 | Silencing pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203784488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791177A (en) * | 2014-01-10 | 2014-05-14 | 芜湖新磊塑胶科技有限公司 | Muffling pipe fitting |
-
2014
- 2014-01-10 CN CN201420017509.2U patent/CN203784488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791177A (en) * | 2014-01-10 | 2014-05-14 | 芜湖新磊塑胶科技有限公司 | Muffling pipe fitting |
| CN103791177B (en) * | 2014-01-10 | 2016-11-23 | 芜湖新磊塑胶科技有限公司 | Sound deadening pipe fitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150110 |
|
| EXPY | Termination of patent right or utility model |