CN216242768U - Fresh air port end connecting piece - Google Patents
Fresh air port end connecting piece Download PDFInfo
- Publication number
- CN216242768U CN216242768U CN202122209656.2U CN202122209656U CN216242768U CN 216242768 U CN216242768 U CN 216242768U CN 202122209656 U CN202122209656 U CN 202122209656U CN 216242768 U CN216242768 U CN 216242768U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- steel wire
- layer
- spiral steel
- wire hose
- 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.)
- Active
Links
Images
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model discloses a fresh air port tail end connecting piece, which comprises a connecting part and a connecting pipe and is characterized in that: the connecting pipe is a spiral steel wire hose, one end of the connecting part is provided with an internal thread for fixing the spiral steel wire hose, the outer layer of the spiral steel wire hose is provided with a noise reduction heat insulation layer, the noise reduction heat insulation layer comprises an outer layer aluminum foil layer, a heat insulation noise reduction cotton layer and an inner layer aluminum foil layer, the connecting pipe further comprises a temporary sealing part, the temporary sealing part is provided with threads on the inner wall and used for fixing the temporary sealing part on the spiral steel wire hose, and the temporary sealing part is temporarily arranged at the end part of the connecting pipe during construction and used for placing sundries into the connecting pipe; the utility model has the advantages of reasonable and simple structure and simple operation, and effectively prevents sundries from entering the pipe and airflow from flowing back in the construction process.
Description
Technical Field
The utility model relates to the field of fresh air pipe fittings, in particular to a fresh air port tail end connecting piece.
Background
The fresh air pipe fitting is a part which must be used in the construction of a fresh air system, the key of fresh air is generally used by cutting out corresponding length according to actual requirements, and two ends of a cut fresh air pipe are generally arranged in an open manner, so that sundries can easily enter the pipe in the construction process, and the pipeline is blocked in the future use process; secondly, after the fresh air system stops operating, high-temperature or low-temperature airflow which is not clean outdoors may flow back to the room along the fresh air pipe due to the indoor pressure difference.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving the above problems and providing a fresh air duct connector.
The technical scheme adopted to solve the problems is as follows: the utility model provides a new trend wind gap end-to-end connection spare, includes connecting portion and connecting pipe, the connecting pipe is spiral wire hose, the one end of connecting portion is equipped with the internal thread that is used for fixed spiral wire hose.
Further, according to the preferable technical scheme, the outer layer of the spiral steel wire hose is provided with a silencing heat-insulating layer, and the silencing heat-insulating layer comprises an outer-layer aluminum foil layer, a heat-insulating silencing cotton layer and an inner-layer aluminum foil layer.
Further, the utility model further adopts the preferable technical scheme that the connecting pipe comprises a temporary sealing part, wherein the inner wall of the temporary sealing part is provided with threads for fixing the temporary sealing part on the spiral steel wire hose, and the temporary sealing part is temporarily arranged at the end part of the connecting pipe during construction and is used for placing sundries into the connecting pipe.
Further, as a preferred technical solution of the present invention, the connecting portion is made of plastic.
Further, as a preferred technical scheme of the utility model, a one-way valve and a one-way valve limiting terminal for controlling the one-way flow of the air flow in the connecting pipe are arranged in the connecting part, one end of the one-way valve is movably arranged on the inner wall of the connecting part, and the other end of the one-way valve is limited by the one-way valve limiting terminal.
The utility model has the beneficial effects that: the structure is reasonable and simple, the operation is simple, the popularization and the application are convenient, and the temporary sealing part can effectively prevent sundries from entering the pipe in the construction process; the check valve in the connecting part can effectively prevent outdoor airflow from flowing back indoors.
Drawings
For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.
Fig. 1 is a schematic structural view of a connecting part and a connecting pipe of the present invention in a use state.
FIG. 2 is a schematic structural diagram of a connecting tube according to the present invention.
Fig. 3 is a schematic structural diagram of the connecting portion of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, the fresh air port end connector comprises a connecting portion 1 and a connecting pipe 2, wherein the connecting pipe 2 is a spiral steel wire hose, one end of the connecting portion 1 is provided with an internal thread for fixing the spiral steel wire hose, and the inner wall of the other end of the connecting portion is smooth.
Further, as a preferred technical scheme of the utility model, the outer layer of the spiral steel wire hose is provided with a silencing and insulating layer, and the silencing and insulating layer comprises an outer layer aluminum foil layer 3, an insulating and silencing cotton layer 4 and an inner layer aluminum foil layer 5.
Further, as a preferred technical scheme of the utility model, the connecting device further comprises a temporary sealing part, wherein the inner wall of the temporary sealing part is provided with threads for fixing the temporary sealing part on the spiral steel wire hose, and the temporary sealing part is temporarily arranged at the end part of the connecting pipe 2 during construction and is used for placing sundries into the connecting pipe 2.
Further, as a preferred technical solution of the present invention, the connecting portion 1 is made of plastic.
Further, as a preferred technical scheme of the present invention, a check valve 7 and a check valve limit terminal 8 for controlling the unidirectional flow of the air flow inside the connecting pipe 2 are arranged in the connecting portion 1, one end of the check valve 7 is movably arranged on the inner wall of the connecting portion 1, and the other end of the check valve 7 is limited by the check valve limit terminal 8.
While there have been shown and described what are at present considered to be the fundamental principles of the utility model and its essential features and advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a new trend wind gap end-to-end connection spare, includes connecting portion (1) and connecting pipe (2), its characterized in that: the connecting pipe (2) is a spiral steel wire hose, one end of the connecting part (1) is provided with an internal thread for fixing the spiral steel wire hose, and the inner wall of the other end of the connecting part is smooth; the outer layer of the spiral steel wire hose is provided with a noise reduction heat insulation layer, and the noise reduction heat insulation layer comprises an outer aluminum foil layer (3), a heat preservation noise reduction cotton layer (4) and an inner aluminum foil layer (5); the connecting pipe is characterized by further comprising a temporary sealing part, wherein the temporary sealing part is provided with threads for the inner wall, and is temporarily arranged at the end part of the connecting pipe (2) during construction and used for placing sundries into the connecting pipe (2).
2. The fresh air tuyere end connection member of claim 1, which is characterized in that: the connecting part (1) is made of plastic.
3. The fresh air port end connector according to claim 1 or 2, wherein a check valve (7) and a check valve limit terminal (8) for controlling the unidirectional flow of the air flow inside the connecting pipe (2) are arranged in the connecting part (1), the check valve (7) is movably arranged on the inner wall of the connecting part (1) at one end, and the other end is limited by the check valve limit terminal (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209656.2U CN216242768U (en) | 2021-09-13 | 2021-09-13 | Fresh air port end connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209656.2U CN216242768U (en) | 2021-09-13 | 2021-09-13 | Fresh air port end connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242768U true CN216242768U (en) | 2022-04-08 |
Family
ID=80984708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122209656.2U Active CN216242768U (en) | 2021-09-13 | 2021-09-13 | Fresh air port end connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242768U (en) |
-
2021
- 2021-09-13 CN CN202122209656.2U patent/CN216242768U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216242768U (en) | Fresh air port end connecting piece | |
| CN208253798U (en) | Outdoor pipe connecting structure and air conditioner indoor unit with same | |
| CN208123656U (en) | A kind of cyclic suction equipment | |
| CN214248673U (en) | Connecting structure of gas circulation pipeline | |
| CN209638634U (en) | A kind of air hose silencer | |
| CN221074561U (en) | Durable exhaust pipe in refrigeration compressor | |
| CN207316221U (en) | It is a kind of to be applied to outdoor antifreezing type tap | |
| CN218627355U (en) | Ground source heat pump with continuous heat preservation function | |
| CN216479359U (en) | Corrosion-resistant heating steel pipe | |
| CN212260079U (en) | Air duct connector and animal cage ventilation system using same | |
| CN220037878U (en) | Warm outdoor pipeline insulation construction that leads to | |
| CN221628946U (en) | Air backflow self-closing valve of defrosting sewer pipe of refrigeration house | |
| CN210237668U (en) | One-way blowpipe | |
| CN212362385U (en) | Universal rotary semi-circular pipe ventilation pipe | |
| CN220581919U (en) | Energy-saving heating and ventilation pipeline | |
| CN218030511U (en) | Temperature rising device for suction inlet of propylene compressor | |
| CN221451496U (en) | Spiral pipe end smooth joint | |
| CN219511062U (en) | Air conditioner refrigeration distributor easy to install | |
| CN202791062U (en) | Hoop for reducing silencer | |
| CN221237964U (en) | Assembled heating and ventilation pipeline for air purification | |
| CN221005492U (en) | Water heater smoke pipeline | |
| CN216244860U (en) | Resident indoor hot water circulating system | |
| CN218267827U (en) | Air pipe capable of reducing noise | |
| CN214949588U (en) | Air conditioner connecting pipe structure | |
| CN220017639U (en) | Novel air curtain for blocking temperature conduction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |