CN204267937U - A kind of airduct is flexible coupling - Google Patents
A kind of airduct is flexible coupling Download PDFInfo
- Publication number
- CN204267937U CN204267937U CN201420607370.7U CN201420607370U CN204267937U CN 204267937 U CN204267937 U CN 204267937U CN 201420607370 U CN201420607370 U CN 201420607370U CN 204267937 U CN204267937 U CN 204267937U
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- CN
- China
- Prior art keywords
- airduct
- astragal
- flexible coupling
- skidding
- elastic packing
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Abstract
The utility model discloses a kind of airduct to be flexible coupling, comprise 2 anti-skidding knocking overs, elastic packing astragal and 2 fastening pieces, 2 described anti-skidding knocking overs are individually fixed in the end of two sections of airducts to be connected, the two ends of described elastic packing astragal are socketed on the end of two sections of airducts to be connected respectively, 2 described fastening pieces are individually fixed in the two ends of elastic packing astragal, and 2 described anti-skidding knocking overs are between 2 fastening pieces; Described elastic packing astragal comprises internal layer, skin and is positioned at middle PVC (PVC＝polyvinyl chloride) sealing layer, institute's internal layer, PVC sealing layer and skin compact siro spinning technology successively.The utility model has the effect of sound deadening shock absorption, simultaneously can also the potential difference that produces when installing of compensation wind pipe.
Description
Technical field
The utility model relates to airduct interconnection technique, is specifically related to a kind of airduct and is flexible coupling.
Background technique
Industrially, the pipeline of dusting apparatus runs through whole system.From dust collector hood to deduster, from deduster to induced draught fan, from induced draught fan to blowdown stack, all need to use pipeline to connect.No matter but be in start-up course or the problem that in use all there are mechanical vibration as the induced draught fan of power equipment; therefore the vibration passing cutting down this kind equipment is the protection necessary to other connection devices, the potential difference produced when simultaneously needing compensation wind pipe to dock.
Model utility content
The purpose of this utility model is the deficiency existed to overcome above prior art, and provide a kind of simple and reasonable for structure, the airduct that can compensate pipeline installation position difference is flexible coupling.
The purpose of this utility model is realized by following technological scheme: this airduct is flexible coupling, comprise 2 anti-skidding knocking overs, elastic packing astragal and 2 fastening pieces, 2 described anti-skidding knocking overs are individually fixed in the end of two sections of airducts to be connected, the two ends of described elastic packing astragal are socketed on the end of two sections of airducts to be connected respectively, 2 described fastening pieces are individually fixed in the two ends of elastic packing astragal, and 2 described anti-skidding knocking overs are between 2 fastening pieces; Described elastic packing astragal comprises internal layer, skin and is positioned at middle PVC (PVC＝polyvinyl chloride) sealing layer, institute's internal layer, PVC sealing layer and skin compact siro spinning technology successively.
Concrete, elastic sealing bands has three-decker, its internal layer and the outer PVC sealing layer mainly for the protection of centre, prevents PVC sealing layer because tanning by the sun aging and preventing the scratch of PVC sealing layer machinery.This extends the working life that airduct is flexible coupling, and ensures that the connection between two sections of airducts has good sealing simultaneously, airduct can be worked efficiently.
Preferably, the thickness of described PVC sealing layer is 15mm ~ 3mm.Determining, as the size of dust diameter according to actual conditions of sealing layer.
Preferably, described fastening piece comprises fastening press strip and tightening nut, and described fastening press strip is by being fastened in the end of elastic packing astragal, and the two ends of described fastening press strip are fixed by screw connection.Adopt this to design, this structure that whole airduct is flexible coupling is simple, convenient installation and maintenance.
Preferably, described fastening press strip adopts stainless steel to make.Fastening press strip mainly adopts has elasticity, flexiblely makes.
Preferably, the distance of the mouth of pipe end face of described anti-skidding knocking over and airduct is 25mm ~ 35mm.
Preferably, described anti-skidding knocking over is by being fixedly welded on airduct.Adopt this to design, this tightness is good, and stability is strong, makes the more difficult slippage of elastic packing astragal.
Preferably, described internal layer and skin all adopt glass fibre to make.Internal layer and outer field making material are not limited only to glass fibre, can also use other wear-resisting sunscreen material.
The utility model has following advantage relative to prior art: this airduct is flexible coupling the flexible connection structure adopting anti-skidding knocking over, elastic packing astragal and fastening piece etc. to form, thus plays the effect of sound deadening shock absorption, can also the potential difference that produces when installing of compensation wind pipe.Elastic packing astragal during this airduct is flexible coupling have employed PVC sealing layer, then the joint good airproof performance of two sections of airducts to be connected, and what make this airduct be flexible coupling draws materials conveniently simultaneously, low cost of manufacture; This airduct is flexible coupling, and overall structure is simple, convenient installs and safeguards.
Accompanying drawing explanation
Fig. 1 is the structural representation that airduct of the present utility model is flexible coupling.
Fig. 2 is the sectional view at A place in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Airduct is as shown in Figure 1 flexible coupling, comprise 2 anti-skidding knocking overs 1, elastic packing astragal 2 and 2 fastening pieces 3,2 described anti-skidding knocking overs 1 are individually fixed in the end of two sections of airducts 4 to be connected, the two ends of described elastic packing astragal 2 are socketed on the end of two sections of airducts 4 to be connected respectively, 2 described fastening pieces 3 are individually fixed in the two ends of elastic packing astragal 2, and 2 described anti-skidding knocking overs 1 are between 2 fastening pieces 3; Described elastic packing astragal 2 comprises internal layer 21, skin 22 and is positioned at middle PVC sealing layer 23, institute's internal layer, PVC sealing layer 23 and skin compact siro spinning technology successively.The thickness of described PVC sealing layer 23 is 1.5mm.
Concrete, elastic sealing bands 2 has three-decker, and its internal layer 21 and skin 22, mainly for the protection of the PVC sealing layer 23 of centre, prevent PVC sealing layer 23 because tanning by the sun aging and preventing the mechanical scratch of PVC sealing layer 23.This extends the working life that airduct is flexible coupling, and ensures that the connection between two sections of airducts 4 has good sealing simultaneously, airduct can be worked efficiently.And anti-skidding knocking over 1 is the round steel circle of diameter 6mm, by being fixedly welded on from the pipe face of the mouth of pipe 30 millimeters.
Described fastening piece 3 comprises fastening press strip 31 and tightening nut 32, and described fastening press strip 31 is by being fastened in the end of elastic packing astragal 2, and the two ends of described fastening press strip 31 are fastenedly connected by screw 32.Adopt this to design, this structure that whole airduct is flexible coupling is simple, convenient installation and maintenance.
Described fastening press strip 31 adopts stainless steel to make.Fastening press strip 31 mainly adopts has elasticity, flexiblely makes.Concrete, the thickness of fastening press strip 31 is 1.5mm, and width is 30mm.The fastening press strip 31 of the above-mentioned size using stainless steel to make, this makes fastening press strip 31 have good elasticity and flexibility.Fastening press strip 31 also can make made of plastic simultaneously.The service time connected for this airduct of order software is more of a specified duration, can coat protective coating on the surface of fastening press strip 31.
Described anti-skidding knocking over 1 is 30mm with the distance of the mouth of pipe end face of airduct 4.
Described anti-skidding knocking over 1 is by being fixedly welded on airduct 4.Adopt this to design, this tightness is good, and stability is strong, makes the more difficult slippage of elastic packing astragal.
Described internal layer 21 and outer 22 all adopts glass fibre to make.The making material of internal layer 21 and skin 22 is not limited only to glass fibre, can also use other wear-resisting sunscreen material.
Above-mentioned embodiment is preferred embodiment of the present utility model; can not limit the utility model; the any of other does not deviate from the technical solution of the utility model and the substitute mode of the change made or other equivalence, is included within protection domain of the present utility model.
Claims (7)
1. an airduct is flexible coupling, it is characterized in that: comprise 2 anti-skidding knocking overs, elastic packing astragal and 2 fastening pieces, 2 described anti-skidding knocking overs are individually fixed in the end of two sections of airducts to be connected, the two ends of described elastic packing astragal are socketed on the end of two sections of airducts to be connected respectively, 2 described fastening pieces are individually fixed in the two ends of elastic packing astragal, and 2 described anti-skidding knocking overs are between 2 fastening pieces; Described elastic packing astragal comprises internal layer, skin and is positioned at middle PVC sealing layer, institute's internal layer, PVC sealing layer and skin compact siro spinning technology successively.
2. airduct according to claim 1 is flexible coupling, and it is characterized in that: the thickness of described PVC sealing layer is 1mm ~ 3mm.
3. airduct according to claim 1 is flexible coupling, and it is characterized in that: described fastening piece comprises fastening press strip and tightening nut, and described fastening press strip is by being fastened in the end of elastic packing astragal, and the two ends of described fastening press strip are fixed by screw connection.
4. airduct according to claim 3 is flexible coupling, and it is characterized in that: described fastening press strip adopts stainless steel to make.
5. airduct according to claim 1 is flexible coupling, and it is characterized in that: the distance of the mouth of pipe end face of described anti-skidding knocking over and airduct is 25mm ~ 35mm.
6. airduct according to claim 1 is flexible coupling, and it is characterized in that: described anti-skidding knocking over is by being fixedly welded on airduct.
7. airduct according to claim 1 is flexible coupling, and it is characterized in that: described internal layer and skin all adopt glass fibre to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607370.7U CN204267937U (en) | 2014-10-20 | 2014-10-20 | A kind of airduct is flexible coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607370.7U CN204267937U (en) | 2014-10-20 | 2014-10-20 | A kind of airduct is flexible coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267937U true CN204267937U (en) | 2015-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420607370.7U Expired - Fee Related CN204267937U (en) | 2014-10-20 | 2014-10-20 | A kind of airduct is flexible coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650382A (en) * | 2015-12-31 | 2016-06-08 | 武汉铁盾民防工程有限公司 | Telescopic flange-free connecting air pipe |
-
2014
- 2014-10-20 CN CN201420607370.7U patent/CN204267937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650382A (en) * | 2015-12-31 | 2016-06-08 | 武汉铁盾民防工程有限公司 | Telescopic flange-free connecting air pipe |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20181020 |