CN201487410U - High-efficiency retracted blast pipe - Google Patents
High-efficiency retracted blast pipe Download PDFInfo
- Publication number
- CN201487410U CN201487410U CN200920190580XU CN200920190580U CN201487410U CN 201487410 U CN201487410 U CN 201487410U CN 200920190580X U CN200920190580X U CN 200920190580XU CN 200920190580 U CN200920190580 U CN 200920190580U CN 201487410 U CN201487410 U CN 201487410U
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- CN
- China
- Prior art keywords
- blast pipe
- spring coil
- airduct
- retracted
- efficiency
- 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 - Lifetime
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Abstract
The utility model relates to a high-efficiency retracted blast pipe used for guiding air, which comprises the blast pipe. A blast pipe framework is a retracted spring coil, and the outer side and the inner side of the spring coil are provided with aluminum foils respectively. The high-efficiency retracted blast pipe has the advantages that: 1, the blast pipe can be compressed and stretched, and has convenient carrying, little volume, light weight and lower manufacturing cost; 2, the distribution of the blast pipe is simple and convenient according to the space, an air flue which is formed at a turning point is of an arc flue with low drag coefficient and high flow rate; and 3, the friction coefficient of the pipe wall of the blast pipe is low, so that through capacity of air speed is improved and air consumption is low.
Description
Technical field
The utility model relates to a kind of efficient telescopic airduct that is used for wind-guiding, is mainly used in the required airduct of central air-conditioner, the required airduct of range hood, and the place that needs airduct, belongs to airduct and makes the field.
Background technique
CN2309514Y, title " easily assembled air conditioning wind pipe ", comprise plate body, direct-connected joint, corner joint and end angle joint, plate body is to coat the PVC hard plastic of suitable thickness and make with the anti-combustion of hardware PU thermal shield surface, therefore has good effect of heat insulation, direct-connected joint is generally to be H shape and to have two relative end slots, the end slot inboard is provided with oblique sawtooth and is solidly connected for the end limit of plate body is slotting, the corner joint has vertical mutually and inboard two limit slots with oblique sawtooth, it is fixing to plant for the plate body side, the end angle joint has two and is orthogonal and inboard end slot with oblique sawtooth, to be fixed on plate body angle end.Its deficiency: the one, the airduct skeleton constitutes for monoblock sheet material, and is incompressible, the big heaviness of body, manufacture cost height; The 2nd, the airduct formed turning of turning is an approximate right angle, and air resistance coefficient is big, and the flow velocity loss is big; The 3rd, the friction factor of wind pipe wall is big, influences the passing capacity of wind speed, and windage is big, the wind energy consume is lost big.
Summary of the invention
Purpose of design: avoid the deficiency in the background technique, design a kind of both compressible shipment, but pulling-down stringing again, the corner of airduct can arbitrarily change into arc and turns and the little efficient telescopic airduct of air resistance coefficient simultaneously.
Design proposal: in order to realize above-mentioned purpose of design.1, the efficient telescopic airduct skeleton design that is the stretchability spring coil is one of technical characteristics of the present utility model.The purpose of doing like this is: the stretchability spring coil both had the structure of spring----can stretch, also can be compressed together, again can be according to the needs of airduct layout, with corner embowment air channel, greatly reduced the loss of the air resistance coefficient and the wind energy energy of airduct.2, the spring coil outside and the inboard design that is equipped with aluminium foil respectively are two of technical characteristicss of the present utility model.The purpose of doing like this is: the one, because the very light weight of aluminium foil, it is combined with the interior outside of spring coil, not only in light weight, be easy to carry, low cost of manufacture, and because the degree of finish of aluminium foil surface is very high, the air resistance coefficient that is produced is very little, both help passing through fast of wind speed, reduced the energy loss of wind energy again; The 2nd, adopt double-layer aluminum-foil both to improve the intensity that pipe belongs to, have the effect of heat-insulation and heat-preservation again.
Technological scheme: efficient telescopic airduct, it comprises airduct, and described airduct skeleton is the stretchability spring coil, and the spring coil outside and inboard are equipped with aluminium foil respectively.
The utility model is compared with background technique, and the one, both compressing of airduct itself, extensible again, not only be easy to carry, and body is little, in light weight, low cost of manufacture; The 2nd, airduct is easy according to the space stringing, and formed air channel, its turning is the arc air channel, and not only air resistance coefficient is little, and the flow velocity height; The 3rd, because the pipe friction coefficient of airduct is little, improved the passing capacity of wind speed, the wind energy consume is lost little.
Description of drawings
Fig. 1 is the structural representation of efficient telescopic airduct.
Fig. 2 is the sectional structure schematic representation of Fig. 1.
Embodiment
Embodiment 1: with reference to attached Fig. 1 and 2.Efficient telescopic airduct, it comprises airduct, and described airduct skeleton is a stretchability spring coil 2, and described spring coil 2 is iron wire spring coil or steel wire spring coil or nonmetal spring coil, and its preparation process is a prior art, is not described herein at this.Spring coil 2 outsides and inboard are equipped with aluminium foil 1 respectively, that is to say that its technique for sticking is a prior art, is not described herein at this with aluminium foil 1 and spring coil 2 inboards, outer side bonds.
What need understand is: though the foregoing description is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than to the restriction of the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing all falls in the protection domain of the present utility model.
Claims (2)
1. efficient telescopic airduct, it comprises airduct, it is characterized in that: described airduct skeleton is the stretchability spring coil, the spring coil outside and inboard are equipped with aluminium foil respectively.
2. efficient telescopic airduct according to claim 1 is characterized in that: described spring coil is iron wire spring coil or steel wire spring coil or nonmetal spring coil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200920190580XU CN201487410U (en) | 2009-08-03 | 2009-08-03 | High-efficiency retracted blast pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200920190580XU CN201487410U (en) | 2009-08-03 | 2009-08-03 | High-efficiency retracted blast pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201487410U true CN201487410U (en) | 2010-05-26 |
Family
ID=42426289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200920190580XU Expired - Lifetime CN201487410U (en) | 2009-08-03 | 2009-08-03 | High-efficiency retracted blast pipe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201487410U (en) |
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2009
- 2009-08-03 CN CN200920190580XU patent/CN201487410U/en not_active Expired - Lifetime
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
CX01 | Expiry of patent term |