CN210830951U - Sealed spiral air pipe - Google Patents
Sealed spiral air pipe Download PDFInfo
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- CN210830951U CN210830951U CN201921737919.3U CN201921737919U CN210830951U CN 210830951 U CN210830951 U CN 210830951U CN 201921737919 U CN201921737919 U CN 201921737919U CN 210830951 U CN210830951 U CN 210830951U
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Abstract
The utility model relates to the technical field of air ducts, in particular to a sealed spiral air duct, which comprises thin-wall ducts, wherein adjacent thin-wall ducts are spliced through a nip, a branch port is formed on each thin-wall duct and is connected with a branch pipe, a seam of the nip of the two thin-wall ducts is filled with sealant, and an oil-resistant sealing strip is stuck on one side of the seam of the nip of the thin-wall ducts; the opening of the branched pipe is provided with a fixed edge, the fixed edge and the branched port are fixed through a fastener, the joint gap between the fixed edge and the branched port is filled with sealant, the tail end of the branched pipe is provided with a sealing rubber ring, and the other side of the seaming gap of the thin-walled pipe, which is far away from the oil-resistant sealing strip, is adhered with a strong sealing strip; the fastener is stamping forming's buckle, and the buckle is including pressing the knot and detaining the seat, presses the knot to set up on fixed border, detains the seat and fixes on the branch mouth, presses the knot to detain on detaining the seat. The utility model discloses spiral duct sealing connection's effect has.
Description
Technical Field
The utility model belongs to the technical field of the technique of tuber pipe and specifically relates to a sealed spiral duct is related to.
Background
The spiral wind pipes are classified into wind pipes because they are first used for ventilation and cooling. This is the name given to its use, but it can be used elsewhere, even for draining water, liquids or as containers, which cannot be called air ducts. Named according to the structure, the pipe is called a spiral seam-biting thin-wall pipe, and the pipe mainly made of metal is called a spiral seam-biting metal pipe. If named by material classification, there are probably several of these names: the spiral galvanized (iron) pipe, the spiral stainless steel pipe and the spiral aluminum pipe may be made of stainless steel strip of 0.3 mm thickness or even thinner to be different from the existing stainless steel pipe.
The spiral seam-biting thin-wall pipe is mainly used for air supply and bulk material conveying, is used for replacing a traditional white iron pipe (manual seam-biting iron pipe), has better sealing performance than the traditional white iron pipe, and particularly has a thickness larger than a pipe body of a seam-biting hidden seam plate after spiral corrugated ribs are added, so that the spiral seam-biting thin-wall pipe can save cost and simultaneously has good sealing performance.
The above prior art solutions have the following drawbacks: the spiral wind pipe is made by pressing both sides of a certain width of the plate strip and then coiling the plate strip into a spiral shape, and then carrying out the continuous mechanical closing process. When gas containing liquid such as water, oil and the like passes through the seaming air pipe, the air pipe leaks from a gap of a closing opening, and the leakage is difficult to treat and eliminate on site, which is a difficult problem in ventilation engineering construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed spiral duct can consolidate the gas tightness of the seam department that the spiral duct is stung.
The utility model aims at realizing through the following technical scheme:
a sealed spiral air pipe comprises thin-walled pipes, wherein the adjacent thin-walled pipes are spliced through nipples, branch mouths are formed in the thin-walled pipes and are connected with branch pipes, sealing glue is filled in the nipping gaps of the two thin-walled pipes, and oil-resistant sealing strips are adhered to one sides of the nipping gaps of the thin-walled pipes; the opening part of lateral pipe is provided with fixed border, fixed border passes through the fastener with the branch mouth and fixes, the gap department of plugging into of fixed border and branch mouth is filled with sealed glue to the end of lateral pipe is provided with sealed rubber ring.
By adopting the technical scheme, the sealant can fill the gap at the nip so as to realize the sealing connection in the gap of the nip; the sealant can hermetically connect the branch port and the fixed edge of the fixed pipe to realize the sealing of the branch port and the fixed edge; the oil-resistant sealing strip can further enhance the sealing degree of the bite, so that the inside and the outside of the spiral air pipe can be isolated from each other when the spiral air pipe is ventilated, and gaps are not easy to generate; the fixing edge and the branch opening are fixed through a fastener and sealed by using sealant, so that the branch pipe is tightly connected with the thin-walled pipe; the sealing rubber ring at the tail end of the divided pipe can be tightly connected with other spiral air pipes, so that the air tightness of the spiral air pipes is good.
The utility model discloses further set up to: and a strong sealing tape is adhered to the other side of the seaming gap of the thin-walled tube, which is away from the oil-resistant sealing tape.
By adopting the technical scheme, the strong sealing bag is adhered to the other side of the oil-resistant sealing belt, so that the sealing devices are arranged on the two sides of the spiral air pipe, and the air tightness is enhanced.
The utility model discloses further set up to: the fastener is stamping forming's buckle, the buckle is detained and is detained the seat including pressing, press to detain and set up on fixed border, it fixes on the branch mouth to detain the seat, press to detain and detain on detaining the seat.
By adopting the technical scheme, the buckle formed by stamping can realize splicing and reinforcement of the two thin-wall pipes without penetrating parts such as screws, bolts and the like, and the air tightness between the two thin-wall pipes is ensured.
The utility model discloses further set up to: the tail end of the branch pipe is provided with a curling edge.
Through adopting above-mentioned technical scheme, the setting up of rolling limit makes the border of bleeder comparatively soft, can reduce sharp-pointed border and to the damage of scraping of seal assembly.
The utility model discloses further set up to: two circles of sealing ribs are arranged on the sealing rubber ring, and the two circles of sealing ribs are arranged in parallel and have gaps.
Through adopting above-mentioned technical scheme, sealing rib can increase the frictional force of the branching pipe department of plugging into, fills the clearance of the department of plugging into for the difficult gas leakage of branching pipe department.
The utility model discloses further set up to: the mouth of the bite is a flat bite which is U-shaped, and the flat bites are buckled with each other.
By adopting the technical scheme, the connection of the two thin-wall pipes is tighter due to the arrangement of the flat seam, and gas is more difficult to leak from the seam.
The utility model discloses further set up to: the sealing rubber ring is nitrile butadiene rubber.
Through adopting above-mentioned technical scheme, the butadiene-acrylonitrile rubber has good corrosion resistance to have good elasticity, sealed glue adopts butadiene-acrylonitrile rubber, consequently can make the sealing rubber ring can seal the junction of branch pipe.
To sum up, the utility model discloses a beneficial technological effect does:
1. the seaming part of the thin-walled tube is filled with sealant, so that the air tightness of the splicing part of the thin-walled tube can be enhanced;
2. the bite is a flat bite, the connection of the flat bite is tight, and gas is difficult to leak;
3. the end of the lateral pipe is provided with a crimping edge and a sealing rubber ring, so that when the lateral pipe is connected with other pipelines, the end of the lateral pipe is more tightly connected with other pipelines, the sealing rubber ring is more difficult to separate, and the air tightness is better.
Drawings
Fig. 1 is a schematic view of the overall structure of the sealed spiral duct of the present invention.
Fig. 2 is a schematic structural view of the buckle of the present invention.
In the figure, 1, a thin-walled tube; 101. flattening the seam; 102. sealing glue; 11. a branching port; 12. an oil resistant sealing tape; 13. a strong sealing tape; 2. a branch pipe; 21. fixing the edge; 22. rolling edges; 23. sealing the rubber ring; 231. sealing the ribs; 3. buckling; 31. pressing and buckling; 32. a buckle seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a sealed spiral duct, including thin wall pipe 1 and bleeder 2.
The adjacent thin-wall pipes 1 are spliced through flat nipples 101, the nipples are flat nipples 101, the opening edges of the two thin-wall pipes 1 are bent and buckled with each other in a U shape, and the buckled flat nipples 101 can reduce the possibility that air escapes from the splicing position of the two thin-wall pipes 1 in the ventilation process of the spiral air pipe.
The sealant 102 (refer to fig. 2) is filled in the gap of the flat seaming 101 of the two thin-wall pipes 1, and the sealant 102 is a sealing material which deforms along with the shape of the sealing surface, is not easy to flow and has certain cohesiveness. It is made up by using dry or non-dry viscous material of asphalt, natural resin or synthetic resin, natural rubber or synthetic rubber, etc. as base material, adding inert fillers of talcum powder, clay, carbon black, titanium white powder and asbestos, etc. and adding plasticizer, solvent, solidifying agent and accelerator.
An oil-resistant sealing tape 12 is adhered to the inner side of the gap of the flat seam 101 of the thin-walled tube 1, plays the roles of oil resistance and oil leakage prevention, and can separate oil, gas and water on the inner side and the outer side of the thin-walled tube 1. The strong sealing tape 13 is adhered to the outer side of the flat seam 101 of the thin-walled tube 1, which is far away from the oil-resistant sealing tape 12, and the strong sealing tape 13 also has the functions of oil resistance and water resistance, and forms double-side sealing with the oil-resistant sealing tape 12, so that the sealing performance of the thin-walled tube 1 can be enhanced. The oil-resistant sealing tape 12 and the strong sealing tape 13 can be made of any one or a combination of more of nitrile, rubber, silica gel, neoprene, polyurethane rubber, thermoplastic vulcanized rubber and plasticized polyvinyl chloride, and can play a role in dual gas leakage prevention.
The thin-wall pipe 1 is provided with a branch opening 11, and the branch pipe 2 and the branch opening 11 are spliced through a flat seaming opening 101. The opening part of lateral pipe 2 is provided with fixed border 21, fixed border 21 is fixed through stamping forming's buckle 3 with branch mouth 11, buckle 3 is including pressing to detain 31 and detain seat 32 (refer to fig. 2), it sets up on fixed border 21 to press to detain 31, it fixes on branch mouth 11 to detain seat 32, press to detain 31 and detain on detaining seat 32, the structure connection between 31 and the knot seat 32 is detained in the pressure of stamping forming's buckle 3 is inseparable, and press to detain 31 and detain the packing that has sealed glue 102 between the seat 32, consequently buckle 3 has good sealing performance.
A folding edge 22 is arranged at the tail end of the branch pipe 2, a sealing glue 102 (refer to fig. 2) is filled in a connection gap between the fixed edge 21 and the branch port 11, a sealing rubber ring 23 is arranged at the tail end of the branch pipe 2, and the sealing rubber ring 23 is made of butadiene-acrylonitrile rubber; two circles of sealing ribs 231 are arranged on the sealing rubber ring 23, and the two circles of sealing ribs 231 are arranged in parallel and have gaps.
The implementation principle of the embodiment is as follows: the thin-walled tube 1 of the sealed spiral air pipe is spliced through the flat seaming 101, the connection of the flat seaming 101 is tight, and the gap of the flat seaming 101 is filled with sealant 102, so that the gap at the splicing part of the thin-walled tube 1 can be further reduced; an oil-resistant sealing tape 12 and a strong sealing tape 13 are respectively adhered to the inner side and the outer side of the splicing position of the thin-walled tube 1 to further seal the gap of the splicing position of the thin-walled tube 1; a branch opening 11 is arranged on the thin-wall pipe 1, a branch pipe 2 is arranged in the branch opening 11, a fixing edge 21 is arranged at the fixing position of the branch pipe 2 and the branch opening 11, and the branch port 11 and the fixed edge 21 of the branch pipe 2 are provided with the buckle 3 by punch forming, therefore, the fixed connection between the branch port 11 and the fixed edge 21 of the branch pipe 2 and the branch port 11 can be realized without the help of external parts, the tail end of the branch pipe 2 is also provided with a rolling edge 22, the rolling edge 22 tightens the sharp edge, thereby being not easy to cause scraping damage to the spiral air pipes spliced by the branch pipes 2, a circle of sealing rubber ring 23 is also sleeved at the position close to the curling edge 22, two circles of sealing ribs 231 are arranged on the sealing rubber ring 23, the connection between the sealing rubber ring 23 and other pipelines is tighter, and gas leakage is less likely to occur, so that the air tightness of the spiral air pipe is integrally improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a sealed spiral duct, includes thin wall pipe (1), and adjacent thin wall pipe (1) is through seaming concatenation, branch mouth (11) have been seted up on thin wall pipe (1), branch mouth (11) are connected with bleeder (2), its characterized in that: a seam of the two thin-walled tubes (1) is filled with sealant (102), and an oil-resistant sealing tape (12) is adhered to one side of the seam of the thin-walled tubes (1); the opening part of lateral pipe (2) is provided with fixed border (21), fixed border (21) are fixed through the fastener with branch mouth (11), the gap department of plugging into of fixed border (21) and branch mouth (11) is filled with sealed glue (102) to the end of lateral pipe (2) is provided with sealed rubber ring (23).
2. A sealed spiral duct according to claim 1, wherein: and a strong sealing strip (13) is adhered to the other side of the seam of the thin-walled tube (1) which is far away from the oil-resistant sealing strip (12).
3. A sealed spiral duct according to claim 1, wherein: the fastener is stamping forming's buckle (3), buckle (3) are detained (31) and are detained seat (32) including pressing, press to detain (31) and set up on fixed border (21), it fixes on branch mouth (11) to detain seat (32), press to detain (31) and detain on detaining seat (32).
4. A sealed spiral duct according to claim 1, wherein: the tail end of the branch pipe (2) is provided with a crimping edge (22).
5. A sealed spiral duct according to claim 1, wherein: two circles of sealing ribs (231) are arranged on the sealing rubber ring (23), and the two circles of sealing ribs (231) are arranged in parallel and have gaps.
6. A sealed spiral duct according to claim 1, wherein: the mouth of the bite is a flat bite (101), the flat bite (101) is U-shaped, and the flat bites (101) are buckled with each other.
7. A sealed spiral duct according to claim 1, wherein: the sealing rubber ring (23) is butadiene-acrylonitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737919.3U CN210830951U (en) | 2019-10-16 | 2019-10-16 | Sealed spiral air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737919.3U CN210830951U (en) | 2019-10-16 | 2019-10-16 | Sealed spiral air pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830951U true CN210830951U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921737919.3U Active CN210830951U (en) | 2019-10-16 | 2019-10-16 | Sealed spiral air pipe |
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| CN (1) | CN210830951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309900A (en) * | 2021-06-24 | 2021-08-27 | 江苏广吴建设园林有限公司 | Non-water-cut-off construction method for connecting branch pipe of concrete water supply pipeline |
-
2019
- 2019-10-16 CN CN201921737919.3U patent/CN210830951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309900A (en) * | 2021-06-24 | 2021-08-27 | 江苏广吴建设园林有限公司 | Non-water-cut-off construction method for connecting branch pipe of concrete water supply pipeline |
| CN113309900B (en) * | 2021-06-24 | 2022-04-08 | 江苏广吴建设园林有限公司 | Non-water-cut-off construction method for connecting branch pipe of concrete water supply pipeline |
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