CN206708582U - Sound insulation downcomer - Google Patents
Sound insulation downcomer Download PDFInfo
- Publication number
- CN206708582U CN206708582U CN201720314905.5U CN201720314905U CN206708582U CN 206708582 U CN206708582 U CN 206708582U CN 201720314905 U CN201720314905 U CN 201720314905U CN 206708582 U CN206708582 U CN 206708582U
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- CN
- China
- Prior art keywords
- inner tube
- tube
- outer tube
- fixture
- sound insulation
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- 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)
- Domestic Plumbing Installations (AREA)
Abstract
The utility model discloses a kind of sound insulation downcomer, its drip irrigation device is the inner tube for including outer tube He being fixedly and coaxially connected, and the inwall of said inner tube is uniformly provided with some projections along its axial direction；The outer wall of said inner tube is connected with said inner tube on the inside of the shirt rim along shirt rim is provided with week and outside is supported to the inwall of the outer tube；Cavity is formed between the outer tube and said inner tube.The utility model solves the problems, such as that the water impact tube wall in existing downcomer produces noise effect living environment.
Description
Technical field
Building pipe is the utility model is related to, in particular, it is related to a kind of sound insulation downcomer.
Background technology
Downcomer is as building materials essential in building construction, for discharging the sanitary sewage of residential building.Granted publication
Number disclose a kind of antiseep upper and lower conduit part, including body for CN2820977Y utility model patent, on body with every
Layer ground or wall joint section are provided with an annular convex edge.Due on tube wall its added with concrete joint it is convex
Edge, the sealing of mating surface can easily be realized, so as to solve water-drainage tube part in configuration process because contact bad sealing
The seepage problem of appearance.
But the utility model has the following disadvantages, the tube wall of water impact downcomer produces noise, particularly with floor
For relatively low resident, the difference in height fallen under water is bigger, and water speed, which increases, make it that caused noise is bigger, this noise effect resident
Normal rest.Therefore, designing a kind of downcomer of sound insulation turns into urgent problem to be solved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of sound insulation downcomer, effectively drop
Noise caused by low water impact tube wall, improve living environment.
To achieve the above object, the utility model provides following technical scheme：A kind of sound insulation downcomer, including outer tube and
The inner tube being fixedly and coaxially connected, the inwall of said inner tube are uniformly provided with some projections along its axial direction；The outer wall of said inner tube
Along shirt rim is provided with week, it is connected on the inside of the shirt rim with said inner tube and outside is supported to the inwall of the outer tube；The outer tube with
Cavity is formed between said inner tube.
By using above-mentioned technical proposal, outer tube plays a protective role to inner tube, prevents inner tube damage from causing leak.Sewage
Hindered when being fallen along inner tube from eminence by projection, inner tube and projection collide consumed energy so that when falling on lower under sewage
Impact to inner tube reduces, and caused noise is smaller；Elastic deformation occurs when inner tube is by water impact and absorbs one for shirt rim
Divide energy, further weaken impact.Outer tube, inner tube and cavity therebetween form double-deck sound-insulating structure, reduce noise
Propagate, further improve soundproof effect.
The utility model is further arranged to：One end of the outer tube and said inner tube is fixed by fixture one, described
Outer tube and the other end of said inner tube are fixed by fixture two.
By using above-mentioned technical proposal, outer tube can be individually prefabricated with inner tube, then with fixture one and fixture two
It is connected, can be assembled when manufacturing with streamline, improves production efficiency.When any one in fixture one or fixture two
When releasing, another still keeps outer tube to be fixedly connected with inner tube, improves the connectivity robustness of outer tube and inner tube.
The utility model is further arranged to：The outer tube wall both ends are provided with internal thread one, said inner tube outer wall both ends
Provided with external screw thread one, the fixture one is provided with the external screw thread two coordinated with the screw thread of internal thread one and matched somebody with somebody with the screw thread of external screw thread one
The internal thread two of conjunction, the fixture one are connected with the outer tube and Internal Pipe Thread.
By using above-mentioned technical proposal, outer tube is connected firmly with inner tube, is not easy to release；And outer tube is detachable with inner tube
Connection, when any one has damage to need to change, local replacing is only needed, it is cost-effective.
The utility model is further arranged to：The fixture two is provided with the external screw thread three coordinated with the screw thread of internal thread one
With the internal thread three coordinated with the screw thread of external screw thread one, the fixture two is connected with the outer tube and Internal Pipe Thread.
By using above-mentioned technical proposal, outer tube further fastens with inner tube, prevents both from releasing.
The utility model is further arranged to：The one side of the fixture one away from inner tube is provided with the neck of annular, described
One side of the fixture two away from outer tube is provided with snap ring, and the snap ring coordinates with the neck to be fixed.
, only need to be by the one end of a wherein downcomer provided with snap ring and another downcomer by using above-mentioned technical proposal
One end alignment provided with neck, snap ring and neck are coordinated and fixed, then two downcomers link together, some as needed
Downcomer forms different length with meet demand.
The utility model is further arranged to：The shirt rim is in axial direction in spiral distribution on said inner tube outer wall.
By using above-mentioned technical proposal, shirt rim surrounding on the outside of inner tube is surround, and is evenly distributed so that inner tube by
During the water impact of any direction, shirt rim can play cushioning effect.In addition, if current occur from the seam crossing of adjacent inner tube
During seepage, water is fallen along shirt rim spiral shape, plays cushioning effect, is avoided leak from dripping vertically and is produced noise.
The utility model is further arranged to：The projection is in a ring.
By using above-mentioned technical proposal, current along inner tube fall when, the current of any direction can all be hindered by projection
Hinder so that current and projection collide energy reduction, produce noise when falling on lower and reduce.
The utility model is further arranged to：Said inner tube is silicone tube.
By using above-mentioned technical proposal, silicone tube has excellent elasticity so that during water impact inner tube, inner tube occurs
Elastic deformation offsets the impact of current, mitigates noise.
The utility model is further arranged to：The outer tube is PVC engineering plastics pipes.
By using above-mentioned technical proposal, outer tube has stable physicochemical properties, service life length；PVC engineering plastics
Expects pipe is widely used, and saves production cost.
The utility model is further arranged to：The outer tube is coated with puigging.
By using above-mentioned technical proposal, noise caused by water impact downcomer is further by puigging when outwards transmitting
Weaken so that the soundproof effect of downcomer is more preferable.
In summary, the utility model has the advantages that compared to prior art：1. with good resistance to current
Impact capacity, generation noise is small, improves habitation environment quality；2. soundproof effect is good, noise caused by downcomer is absorbed and hindered
Every；3. making material is common common material, production cost is low.
Brief description of the drawings
Fig. 1 is the overall structure diagram that protrusion shows the neck on fixture one in embodiment；
Fig. 2 is that protrusion shows the blast signal that the snap ring in the structure and fixture two of outer wall of inner tube is done in embodiment
Figure；
Fig. 3 is the partial sectional view that erection joint position relationship is shown when embodiment is applied.
In figure：1st, outer tube；11st, internal thread one；2nd, inner tube；21st, it is raised；22nd, shirt rim；23rd, external screw thread one；24th, cavity；3、
Fixture one；31st, neck；32nd, the collar one；321st, external screw thread two；322nd, internal thread two；4th, fixture two；41st, snap ring；42nd, cover
Ring two；421st, external screw thread three；422nd, internal thread three；5th, puigging.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment：
Sound insulation downcomer, as shown in figure 1, including outer tube 1 and the inner tube 2 that is arranged in outer tube 1, the one of outer tube 1 and inner tube 2
End is fixed by fixture 1, and the other end of outer tube 1 and inner tube 2 is fixed by fixture 24.
With reference to figure 1 and Fig. 2, outer tube 1 is in cylinder or other geometries such as cuboid.Outer tube 1 uses PVC
Engineering plastics are molded by Shooting Technique, have higher intensity and wearability, to be protected to inner tube 2.The two of outer tube 1
End inwall is provided with internal thread 1.
With reference to figure 1 and Fig. 2, inner tube 2 is in cylinder, and inner tube 2 is identical with the length of outer tube 1 but diameter is relatively small.Inner tube 2
Made using silica gel, there is certain degree of hardness and resilience, stable performance service life length.The inwall of inner tube 2 is along its axial direction
Be evenly distributed with some annular projections 21, hinder the motion of the inwall current of inner tube 2 so that when current fall repeatedly with projection 21
Collide to consume the energy of water, reduce the flow velocity of water.Raised 21 and global formations identical with the material of inner tube 2.In inner tube 2
Outer wall be provided with shirt rim 22 along its axial direction, shirt rim 22 is twist distributed, and shirt rim 22 can be silica gel and pass through with inner tube 2
Shooting Technique global formation or later stage are connected in shirt rim 22 with the contact position blow of inner tube 2.The both ends of inner tube 2 are set
There is external screw thread 1.With reference to Fig. 3, the exterior contour of shirt rim 22 is identical with the internal diameter of outer tube 1, is formed between inner tube 2 and outer tube 1 empty
Chamber 24.Propagated due to sound and substantially reduced compared to solid spread speed in atmosphere so that sound has when passing through cavity 24
Preliminary deadening.Outer tube 1, inner tube 2 and the three of cavity 24 are collectively forming double-deck sound-insulating structure, further improve sound insulation effect
Fruit.
With reference to figure 1 and Fig. 2, fixture 1 is sheathed on the end of outer tube 1 and inner tube 2, and fixture 1 is in annular, uses
PVC engineering plastics make, and have good plasticity, to produce and process.One side of the fixture 1 away from inner tube 2 is provided with ring
The neck 21 of shape, and the collar 1 is provided with close to the one side of inner tube 2, the external diameter of the collar 1 is equal to the internal diameter of outer tube 1, the collar one
32 internal diameter is equal to the external diameter of inner tube 2, so that the collar 1 is bonded with outer tube 1 and inner tube 2 respectively.Set in the outside of the collar 1
There are external screw thread 2 321 and inner side to be provided with internal thread 2 322, the screw thread of internal thread 1 of external screw thread 2 321 and outer tube 1 coordinates, interior
Screw thread 2 322 and the screw thread of external screw thread 1 of inner tube 2 coordinate, so that fixture 1 fixes outer tube 1 and inner tube 2 simultaneously
Connection.
With reference to figure 1 and Fig. 2, fixture 24 is sheathed on outer tube 1 and the other end of inner tube 2, and fixture 24 uses PVC engineerings
Plastic production.One side of the fixture 24 away from outer tube 1 is provided with snap ring 41, and snap ring 41 is engaged with neck 21.Fixture 24 leans on
The one side of nearly outer tube 1 is provided with the collar 2 42, and the both sides of the collar 2 42 are bonded with outer tube 1 and inner tube 2 respectively.The outside of the collar 2 42
Internal thread 3 422 is provided with provided with external screw thread 3 421 and inner side, external screw thread 3 421 is matched somebody with somebody with the screw thread of internal thread 1 with outer tube 1
Close, internal thread 3 422 and the screw thread of external screw thread 1 of inner tube 2 coordinate, so that fixture 24 is simultaneously by outer tube 1 and inner tube 2
Further it is fixedly connected.When any one in fixture 1 or fixture 24 releases, another still keeps outer tube 1
It is fixedly connected with inner tube 2.
The installation and application and principle of the sound insulation downcomer are as follows：
Outer tube 1, inner tube 2, fixture 1 and fixture 24 are precast respectively, and inner tube 2 is arranged in outer tube 1 and made
It is concordant to obtain both ends.Then fixture 1 and fixture 24 are threaded in the both ends of outer tube 1 and inner tube 2, downcomer respectively
Then make and finish.The snap ring 41 of wherein one downcomer need to only be alignd and be blocked with the neck 42 of another downcomer during use
Gu different length can be then formed with meet demand." O " shape rubber ring can be placed in neck 42, to play sealing function.Knot
Fig. 3 is closed, coats one layer of puigging 5 again in the outside of downcomer, puigging 5 is polyester fiber Sound-proof material, is passed through using polyester fiber
Cross stacked thermo-compression bonding to form, cavity is formed between fiber, it can make sound at it by the special high density tissue of fiber
Backflow is formed in cavity, effectively realizes absorbing sound and lowering noise function.
Current in downcomer along inner tube 2 from eminence flow downward when, hindered by the projection 21 in inner tube 2, current with
Projection 21 collides and consumed energy so that speed when current fall on floor below reduces, caused by water impact inner tube 2
Noise reduces.When current are with impact inner tube 2, the impact that inner tube 2 is subject to passes to shirt rim 22, because shirt rim 22 is flexible, inhales
Part energy is received, slows down impact and causes lower noise.Cavity 24 of the sound through inner tube 2 and outer tube 1 and outside every
Further weakened during sound-absorbing layer 5, so as to play soundproof effect.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of sound insulation downcomer, including outer tube (1) and the inner tube (2) that is fixedly and coaxially connected, it is characterised in that：Said inner tube
(2) inwall is uniformly provided with some raised (21) along its axial direction；The outer wall of said inner tube (2) is provided with shirt rim (22) along week,
It is connected on the inside of the shirt rim (22) with said inner tube (2) and outside is supported to the inwall of the outer tube (1)；The outer tube (1) with
Cavity (24) is formed between said inner tube (2).
2. sound insulation downcomer according to claim 1, it is characterised in that：The outer tube (1) and one end of said inner tube (2)
Fixed by fixture one (3), the outer tube (1) and the other end of said inner tube (2) are fixed by fixture two (4).
3. sound insulation downcomer according to claim 2, it is characterised in that：Outer tube (1) the inwall both ends are provided with internal thread
One (11), said inner tube (2) outer wall both ends are provided with external screw thread one (23), and the fixture one (3) is provided with and internal thread one
(11) external screw thread two (321) that screw thread coordinates and the internal thread two (322) with the cooperation of external screw thread one (23) screw thread, the fixture
One (3) are threadedly coupled with the outer tube (1) and inner tube (2).
4. sound insulation downcomer according to claim 3, it is characterised in that：The fixture two (4) is provided with and internal thread
The external screw thread three (421) that one (11) screw thread coordinates and the internal thread three (422) with the cooperation of external screw thread one (23) screw thread, the fixation
Part two (4) is threadedly coupled with the outer tube (1) and inner tube (2).
5. sound insulation downcomer according to claim 2, it is characterised in that：The one of the remote inner tube (2) of the fixture one (3)
Face is provided with the neck (31) of annular, and one side of the fixture two (4) away from outer tube (1) is provided with snap ring (41), the snap ring
(41) coordinate with the neck (31) and fix.
6. sound insulation downcomer according to claim 1, it is characterised in that：The shirt rim (22) is in said inner tube (2) outer wall
On it is in axial direction in spiral distribution.
7. sound insulation downcomer according to claim 1, it is characterised in that：The projection (21) is in a ring.
8. sound insulation downcomer according to claim 1, it is characterised in that：Said inner tube (2) is silicone tube.
9. sound insulation downcomer according to claim 1, it is characterised in that：The outer tube (1) is PVC engineering plastics pipes.
10. sound insulation downcomer according to claim 1, it is characterised in that：The outer tube (1) is coated with puigging (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314905.5U CN206708582U (en) | 2017-03-28 | 2017-03-28 | Sound insulation downcomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314905.5U CN206708582U (en) | 2017-03-28 | 2017-03-28 | Sound insulation downcomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708582U true CN206708582U (en) | 2017-12-05 |
Family
ID=60467237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720314905.5U Expired - Fee Related CN206708582U (en) | 2017-03-28 | 2017-03-28 | Sound insulation downcomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940054A (en) * | 2017-12-22 | 2018-04-20 | 上海河图工程股份有限公司 | A kind of wear-resistant multilevel decompression mechanism and its application process |
-
2017
- 2017-03-28 CN CN201720314905.5U patent/CN206708582U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940054A (en) * | 2017-12-22 | 2018-04-20 | 上海河图工程股份有限公司 | A kind of wear-resistant multilevel decompression mechanism and its application process |
| CN107940054B (en) * | 2017-12-22 | 2024-03-08 | 上海河图工程股份有限公司 | Application method of antiwear multi-stage depressurization mechanism for residual oil processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |