CN208535433U - A kind of ventilation shaft noise reduction dust-extraction unit - Google Patents
A kind of ventilation shaft noise reduction dust-extraction unit Download PDFInfo
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- CN208535433U CN208535433U CN201820941996.XU CN201820941996U CN208535433U CN 208535433 U CN208535433 U CN 208535433U CN 201820941996 U CN201820941996 U CN 201820941996U CN 208535433 U CN208535433 U CN 208535433U
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- rotating cylinder
- noise reduction
- extraction unit
- tube body
- ventilation shaft
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Abstract
The utility model discloses a kind of ventilation shaft noise reduction dust-extraction units, including pipeline body, interior tube body, said inner tube body is located inside the pipeline body, the inside of said inner tube body is equipped with filter cotton and loading plate, rotating cylinder is equipped with by bearing inside the loading plate, mute cotton is installed, the rotating cylinder front end is provided with ventilation opening, and the outer wall of the rotating cylinder is provided with exhaust vent inside the rotating cylinder；The front end of the rotating cylinder is equipped with transmission shaft, and the end of the transmission shaft is equipped with helical blade；Circular rails are installed on the outside of the tail end of the rotating cylinder, the inner wall of the rotating cylinder is equipped with buffer gear, and the buffer gear is corresponding with the circular rails.Beneficial effect is: carrying out sound-deadening and noise-reducing by mute cotton and exhaust vent, it pushes helical blade to rotate using air-flow, rotating cylinder rotation is driven by transmission shaft, the draft after sound-deadening and noise-reducing can be broken up and form vortex, it prevents draft from converging, helps to improve sound-deadening and noise-reducing effect.
Description
Technical field
The utility model relates to ventilation device technical fields, and in particular to a kind of ventilation shaft noise reduction dust-extraction unit.
Background technique
Ventilation shaft is the air grid optimization metal or nonmetal pipeline of industry with civil buildings, is to make sky
A kind of logical civilian infrastructure of air-flow.In the process of construction of office building, often utilize ventilation shaft by external fresh air
It is sent into interior, in order to guarantee indoor air quality, needs that noise reduction dust-extraction unit is installed in the tail end of ventilation shaft.
Applicants have discovered that at least there is following technical problem in the prior art: current ventilation shaft noise reduction dust-extraction unit
Micropore is mostly used to carry out sound-deadening and noise-reducing, the draft formed after noise reduction is easy convergence and re-forms big stock air-flow, influences noise reduction
Noise reduction effect.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of ventilation shaft noise reduction dust-extraction unit,
It mostly uses micropore to carry out sound-deadening and noise-reducing to solve ventilation shaft noise reduction dust-extraction unit current in the prior art, is formed after noise reduction
Draft is easy convergence and re-forms big stock air-flow, influences the technical problems such as sound-deadening and noise-reducing effect.It is provided by the utility model
Preferred technical solution carries out sound-deadening and noise-reducing by mute cotton and exhaust vent in many technical solutions, and pushes spiral using air-flow
Blade rotation drives rotating cylinder rotation by transmission shaft, can break up the draft after sound-deadening and noise-reducing and form vortex, prevent
Only draft converges, and helps to improve the technical effects such as sound-deadening and noise-reducing effect, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of ventilation shaft noise reduction dust-extraction unit provided by the utility model, including pipeline body, interior tube body, said inner tube
Body is located inside the pipeline body, and the tail end of the pipeline body is equipped with internal fixed ring, the tail end peace of said inner tube body
Equipped with external fixed ring, the internal fixed ring is fixedly connected with the external fixed ring by bolt and fastening nut cooperation；
The inside of said inner tube body is sequentially installed with filter cotton and loading plate from front end to tail end, leads to inside the loading plate
It crosses bearing and rotating cylinder is installed, mute cotton is installed inside the rotating cylinder, the front end of the rotating cylinder is provided with ventilation opening, institute
The outer wall for stating rotating cylinder is provided with exhaust vent；The front end of the rotating cylinder is equipped with transmission shaft, the end installation of the transmission shaft
There is helical blade, the helical blade is between the filter cotton and the loading plate；Peace on the outside of the tail end of the rotating cylinder
Equipped with circular rails, the inner wall of the rotating cylinder is equipped with buffer gear, and the buffer gear is corresponding with the circular rails；
The buffer gear includes fixed link, and the fixed link is internally provided with sliding cavity, is passed through inside the sliding cavity
Buffer spring is equipped with sliding bar, and the sliding bar is pierced by the sliding cavity, and the outer end of the sliding bar is equipped with carrier,
Pulley is installed, the pulley is located inside the circular rails inside the carrier.
Using a kind of above-mentioned ventilation shaft noise reduction dust-extraction unit, when use device, air is carried out by the filter cotton
Filtering pushes the helical blade to rotate, can slow down the flow velocity of air-flow using air-flow, can play Noise Reduction, and air-flow is logical
It crosses the ventilation opening to enter inside the rotating cylinder, is discharged by the mute cotton from the exhaust vent, passes through the mute cotton
Sound-deadening and noise-reducing is carried out with the exhaust vent, during sound-deadening and noise-reducing, the helical blade passes through the transmission shaft drive rotation
Rotating cylinder rotation, the draft after sound-deadening and noise-reducing can be broken up, and form vortex, prevent draft from converging, help to mention
High sound-deadening and noise-reducing effect；When the rotating cylinder rotates, push the sliding bar to the cunning using the elastic force of the buffer spring
Dynamic chamber slide outside is in close contact the pulley and the circular rails, realizes the support and buffering to the rotating cylinder, can
Guarantee that the rotating cylinder rotation is steady, helps to ensure that the sound-deadening and noise-reducing effect of device.
Preferably, the outer diameter of said inner tube body is equal with the internal diameter of the pipeline body, and use gap
Cooperation.
Preferably, the front end of the rotating cylinder is equipped with wind collection scoop.
Preferably, the buffer gear is provided with even number, and symmetrical.
Preferably, the outer diameter of the sliding bar is equal with the internal diameter of the sliding cavity, and matched using gap
It closes.
Preferably, the inner wall of the sliding cavity is provided with guide groove, the inner end of the sliding bar is equipped with guide pad,
The guide pad and the guide groove clearance fit.
Preferably, the distance between the thickness of the pulley and the inner wall of the circular rails are equal sized, and adopt
Use clearance fit.
Beneficial effect is: carrying out sound-deadening and noise-reducing by the mute cotton and the exhaust vent, and pushes institute using air-flow
Helical blade rotation is stated, drives the rotating cylinder to rotate by the transmission shaft, the draft after sound-deadening and noise-reducing can be beaten
Vortex is dissipated and formed, prevents draft from converging, helps to improve sound-deadening and noise-reducing effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is the buffer gear internal structure enlarged diagram of the utility model；
Fig. 3 is the rotating cylinder side view of the utility model.
The reference numerals are as follows:
1, pipeline body；2, interior tube body；3, helical blade；4, loading plate；5, rotating cylinder；501, exhaust vent；502, collect wind
Bucket；503, ventilation opening；6, buffer gear；601, fixed link；602, guide groove；603, guide pad；604, sliding bar；605, sliding
Wheel；606, carrier；607, buffer spring；608, sliding cavity；7, external fixed ring；8, bolt；9, internal fixed ring；10, tight
Gu nut；11, mute cotton；12, transmission shaft；13, filter cotton；14, circular rails.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-3, the utility model provides a kind of ventilation shaft noise reduction dust-extraction unit, including pipeline body
1, interior tube body 2, interior tube body 2 are located inside pipeline body 1, and the tail end of pipeline body 1 is equipped with internal fixed ring 9, interior tube body 2
Tail end is equipped with external fixed ring 7, and internal fixed ring 9 is fixed and connected by bolt 8 and the cooperation of fastening nut 10 with external fixed ring 7
It connects；
The inside of interior tube body 2 is sequentially installed with filter cotton 13 and loading plate 4 from front end to tail end, passes through inside loading plate 4
Bearing is equipped with rotating cylinder 5, and mute cotton 11 is equipped with inside rotating cylinder 5, and the front end of rotating cylinder 5 is provided with ventilation opening 503, rotation
The outer wall of cylinder 5 is provided with exhaust vent 501；The front end of rotating cylinder 5 is equipped with transmission shaft 12, and the end of transmission shaft 12 is equipped with spiral
Blade 3, helical blade 3 is between filter cotton 13 and loading plate 4；Circular rails 14 are installed on the outside of the tail end of rotating cylinder 5, are rotated
The inner wall of cylinder 5 is equipped with buffer gear 6, and buffer gear 6 is corresponding with circular rails 14；
Buffer gear 6 includes fixed link 601, and fixed link 601 is internally provided with sliding cavity 608, passes through inside sliding cavity 608
Buffer spring 607 is equipped with sliding bar 604, and sliding bar 604 is pierced by sliding cavity 608, and the outer end of sliding bar 604 is equipped with carrying
Frame 606 is equipped with pulley 605 inside carrier 606, and pulley 605 is located inside circular rails 14.
As optional embodiment, the outer diameter of interior tube body 2 is equal with the internal diameter of pipeline body 1, and uses
Clearance fit, in this way setting guarantee between interior tube body 2 and pipeline body 1 convenient for interior tube body 2 to be inserted into inside pipeline body 1
Sealing effect；
The front end of rotating cylinder 5 is equipped with wind collection scoop 502, and setting in this way is entered in rotating cylinder 5 convenient for air-flow by ventilation hole
Portion；
Buffer gear 6 is provided with even number, and symmetrical, and setting in this way can guarantee that the support to rotating cylinder 5 is firm
Property, guarantee that rotating cylinder 5 rotates steadily；
The outer diameter of sliding bar 604 is equal with the internal diameter of sliding cavity 608, and is gap-matched, and is arranged in this way
Convenient for making sliding bar 604 in 608 internal slide of sliding cavity, auxiliary realizes the support and buffering to rotating cylinder 5；
The inner wall of sliding cavity 608 is provided with guide groove 602, and the inner end of sliding bar 604 is equipped with guide pad 603, guiding
Block 603 and 602 clearance fit of guide groove, in this way setting can play guiding and position-limiting action to sliding bar 604, guarantee sliding bar
604 in 608 inside smooth sliding of sliding cavity；
The distance between the thickness of pulley 605 and the inner wall of circular rails 14 are equal sized, and are gap-matched, this
Sample setting can play position-limiting action to pulley 605, and anti-limited slip wheel 605 is detached from circular rails 14.
Using the above structure, it when use device, is filtered the air by filter cotton 13, pushes helical-blade using air-flow
Piece 3 rotates, and can slow down the flow velocity of air-flow, can play Noise Reduction, and air-flow is entered inside rotating cylinder 5 by ventilation opening 503,
It is discharged by mute cotton 11 from exhaust vent 501, sound-deadening and noise-reducing, sound-deadening and noise-reducing process is carried out by mute cotton 11 and exhaust vent 501
In, helical blade 3 drives rotating cylinder 5 to rotate by transmission shaft 12, can break up the draft after sound-deadening and noise-reducing, and formed
Vortex, prevents draft from converging, helps to improve sound-deadening and noise-reducing effect；When rotating cylinder 5 rotates, buffer spring 607 is utilized
Elastic force pushes sliding bar 604 to 608 slide outside of sliding cavity, is in close contact pulley 605 and circular rails 14, realizes to rotating cylinder
5 support and buffering can guarantee that rotating cylinder 5 rotates the sound-deadening and noise-reducing effect for steadily helping to ensure that device.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
1. a kind of ventilation shaft noise reduction dust-extraction unit, including pipeline body (1), interior tube body (2), it is characterised in that: said inner tube
Body (2) is located at the pipeline body (1) inside, and the tail end of the pipeline body (1) is equipped with internal fixed ring (9), described interior
The tail end of tube body (2) is equipped with external fixed ring (7), and the internal fixed ring (9) and the external fixed ring (7) pass through bolt
(8) it is fixedly connected with fastening nut (10) cooperation；
The inside of said inner tube body (2) is sequentially installed with filter cotton (13) and loading plate (4), the loading plate from front end to tail end
(4) internal to be equipped with rotating cylinder (5) by bearing, mute cotton (11), the rotating cylinder are installed inside the rotating cylinder (5)
(5) front end is provided with ventilation opening (503), and the outer wall of the rotating cylinder (5) is provided with exhaust vent (501)；The rotating cylinder (5)
Front end be equipped with transmission shaft (12), the end of the transmission shaft (12) is equipped with helical blade (3), the helical blade (3)
Between the filter cotton (13) and the loading plate (4)；Circular rails are installed on the outside of the tail end of the rotating cylinder (5)
(14), the inner wall of the rotating cylinder (5) is equipped with buffer gear (6), and the buffer gear (6) and the circular rails (14) are opposite
It answers；
The buffer gear (6) includes fixed link (601), and the fixed link (601) is internally provided with sliding cavity (608), described
It is equipped with sliding bar (604) inside sliding cavity (608) by buffer spring (607), the sliding bar (604) is pierced by the sliding
The outer end of chamber (608), the sliding bar (604) is equipped with carrier (606), is equipped with cunning inside the carrier (606)
It takes turns (605), it is internal that the pulley (605) is located at the circular rails (14).
2. a kind of ventilation shaft noise reduction dust-extraction unit according to claim 1, it is characterised in that: outside said inner tube body (2)
Diameter size is equal with the internal diameter of the pipeline body (1), and is gap-matched.
3. a kind of ventilation shaft noise reduction dust-extraction unit according to claim 1, it is characterised in that: before the rotating cylinder (5)
End is equipped with wind collection scoop (502).
4. a kind of ventilation shaft noise reduction dust-extraction unit according to claim 1, it is characterised in that: the buffer gear (6) sets
It is equipped with even number, and symmetrical.
5. a kind of ventilation shaft noise reduction dust-extraction unit according to claim 4, it is characterised in that: the sliding bar (604)
Outer diameter is equal with the internal diameter of the sliding cavity (608), and is gap-matched.
6. a kind of ventilation shaft noise reduction dust-extraction unit according to claim 5, it is characterised in that: the sliding cavity (608)
Inner wall is provided with guide groove (602), and the inner end of the sliding bar (604) is equipped with guide pad (603), the guide pad
(603) with the guide groove (602) clearance fit.
7. a kind of ventilation shaft noise reduction dust-extraction unit according to claim 1, it is characterised in that: the thickness of the pulley (605)
It is equal sized to spend the distance between size and the inner wall of the circular rails (14), and is gap-matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941996.XU CN208535433U (en) | 2018-06-19 | 2018-06-19 | A kind of ventilation shaft noise reduction dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941996.XU CN208535433U (en) | 2018-06-19 | 2018-06-19 | A kind of ventilation shaft noise reduction dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535433U true CN208535433U (en) | 2019-02-22 |
Family
ID=65392848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820941996.XU Active CN208535433U (en) | 2018-06-19 | 2018-06-19 | A kind of ventilation shaft noise reduction dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535433U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332377A (en) * | 2019-07-12 | 2019-10-15 | 周世宇 | A kind of glass reinforced plastic pipe |
| CN112325043A (en) * | 2020-11-10 | 2021-02-05 | 沈波涛 | Plastic pipeline with noise-reducing and dust-removing functions |
| CN113280205A (en) * | 2021-05-24 | 2021-08-20 | 南京罗欧环保科技有限公司 | Ventilation pipe embeds damping ventilation silencer |
| CN115013604A (en) * | 2021-07-09 | 2022-09-06 | 无锡轩宇冷暖科技有限公司 | Air pipe with wind noise reducing function |
-
2018
- 2018-06-19 CN CN201820941996.XU patent/CN208535433U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332377A (en) * | 2019-07-12 | 2019-10-15 | 周世宇 | A kind of glass reinforced plastic pipe |
| CN110332377B (en) * | 2019-07-12 | 2021-04-09 | 灵璧久工精密钢管制造有限公司 | Glass fiber reinforced plastic pipe |
| CN112325043A (en) * | 2020-11-10 | 2021-02-05 | 沈波涛 | Plastic pipeline with noise-reducing and dust-removing functions |
| CN113280205A (en) * | 2021-05-24 | 2021-08-20 | 南京罗欧环保科技有限公司 | Ventilation pipe embeds damping ventilation silencer |
| CN115013604A (en) * | 2021-07-09 | 2022-09-06 | 无锡轩宇冷暖科技有限公司 | Air pipe with wind noise reducing function |
| CN115013604B (en) * | 2021-07-09 | 2024-07-12 | 无锡轩宇冷暖科技有限公司 | Air pipe with wind noise reducing function |
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