CN213632581U - Air inlet connecting device of building external window on-site air tightness performance detection equipment - Google Patents
Air inlet connecting device of building external window on-site air tightness performance detection equipment Download PDFInfo
- Publication number
- CN213632581U CN213632581U CN202022518750.1U CN202022518750U CN213632581U CN 213632581 U CN213632581 U CN 213632581U CN 202022518750 U CN202022518750 U CN 202022518750U CN 213632581 U CN213632581 U CN 213632581U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- pipe body
- inlet pipe
- connecting device
- performance detection
- 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
Abstract
The utility model relates to a building exterior window on-spot air tightness performance check out test set especially relates to a building exterior window on-spot air tightness performance check out test set air intake connecting device. The device is convenient to install, time-saving, labor-saving and good in sealing performance, overcomes the problems of difficulty in installation, poor sealing and the like, and achieves the purpose of accurately measuring the field air tightness of the outer window. Comprises an air inlet pipe body; the air inlet pipe body is sleeved with a flange plate and a spinning nut, and a pressing pad is sleeved on the air inlet pipe body and between the flange plate and the spinning nut; the air inlet pipe body is provided with a sliding groove, and an anti-rotation pin penetrates through the pressing pad and extends into the sliding groove for preventing the axial sliding of the anti-rotation pin; the air inlet pipe body is also provided with a pneumatic quick connector.
Description
Technical Field
The utility model relates to a building exterior window on-spot air tightness performance check out test set especially relates to a building exterior window on-spot air tightness performance check out test set air intake connecting device.
Background
The detection of the on-site air tightness of the building external window is one of the main contents of the detection and evaluation of the building energy conservation, in recent years, along with the rapid development of national economy, China becomes a world with large energy consumption, the building energy consumption accounts for about 40-50% of the total energy consumption of China, and the main factor influencing the building energy consumption is the heat insulation and sealing of the building. The national great importance is attached to building energy conservation, and the section in the field inspection of the building energy conservation engineering of the national standard GB50411-2019 acceptance and approval Specification for the construction quality of the building energy conservation engineering issued by China clearly requires the field inspection of the air tightness of the building external window as one of the main control project detections. Under the action of wind pressure, the air tightness is an important controllability index for ensuring the stability of the heat insulation performance of the building external window, the air tightness performance of the external window is directly related to the cold wind permeation heat loss of the external window, and the better the air tightness performance is, the smaller the heat loss is.
At present, the air inlet connecting device is used for on-site air tightness performance detection equipment of an external window of a building, has large errors, wastes time and labor in on-site installation, and causes the defects of air leakage, breakage and the like of a sealing plastic film of a door and window test piece. Although the detection can be carried out due to the defects, the accuracy of the air tightness performance cannot be guaranteed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the air inlet connecting device of the on-site air tightness performance detection equipment of the building external window, which is convenient to install, time-saving, labor-saving and good in sealing performance, overcomes the problems of difficult installation, poor sealing and the like, and achieves the purpose of accurately measuring the on-site air tightness performance of the external window.
In order to achieve the purpose, the invention adopts the following technical scheme that the air inlet device comprises an air inlet pipe body; the air inlet pipe body is sleeved with a flange plate and a spinning nut, and a pressing pad is sleeved on the air inlet pipe body and between the flange plate and the spinning nut;
the air inlet pipe body is provided with a sliding groove, and an anti-rotation pin penetrates through the pressing pad and extends into the sliding groove for preventing the axial sliding of the anti-rotation pin;
the air inlet pipe body is also provided with a pneumatic quick connector.
Further, the spinning nut is in threaded connection with the air inlet pipe body.
Furthermore, a threaded hole is formed in the circumference of the pressing pad, and the anti-rotation pin is in threaded connection with the pressing pad through the threaded hole.
Further, the spinning nut and the flange plate clamp the pressing pad in the middle.
Furthermore, a sealing gasket is sleeved on the air inlet pipe body and between the pressing gasket and the flange plate.
Furthermore, the sealing gasket is in a flange shape and is made of a butadiene-acrylonitrile rubber plate.
Further, the flange plate is in threaded connection with the air inlet pipe body, and the flange plate is made of nylon materials.
Further, the pneumatic quick connector is in threaded connection with the air inlet pipe body.
Further, the pneumatic quick-connection plug is connected with the differential pressure sensor through a pipeline.
Furthermore, a polyurethane hose is connected with the air inlet pipe body through a hose clamp, and the other end of the polyurethane hose is connected with the control box and the fan through the hose clamp.
Compared with the prior art, the invention has the beneficial effects.
The utility model firstly cuts a circular hole on the plastic film according to the inner diameter of the spinning nut, then screws the flange plate into the shaft shoulder, sleeves the sealing gasket, sleeves the plastic film along the cut circular hole, sleeves the pressing gasket, screws the spinning nut to completely seal with the plastic film; has the advantages of simple operation, reliable sealing and the like. The device is characterized in that in the screwing process of the spinning nut, the compression pad has the function of an anti-rotation pin, can not rotate and can only axially move, so that the problems of winding damage and poor sealing caused by plastic films are avoided. The device is particularly suitable for detecting the on-site air tightness of the building external window and is suitable for popularization and application.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure of FIG. 1A-A.
Fig. 3 is a schematic perspective view of the present invention.
Detailed Description
As shown in fig. 1-3, the invention relates to an air inlet connection device of a building exterior window field air tightness performance detection device, which is characterized in that: the spinning nut 1, the pressing pad 2, the sealing pad 3 and the flange plate 4 are all installed on the air inlet pipe body 5, the anti-rotation pin 6 is installed on the pressing pad 2, and the pneumatic quick-plugging connector 7 is installed on the air inlet pipe body 5.
The spinning nut 1 is made of nylon machine and is connected with the air inlet pipe body 5 through fine threads.
The pressing pad 2 is manufactured by a nylon machine, and a threaded hole is machined in the circumference. The sealing gasket 3 is made of a nitrile rubber plate and is in a flange shape.
The flange plate 4 is made of nylon machine and is connected with the air inlet pipe body 5 through fine threads.
The air inlet pipe body 5 is manufactured by nylon machining and is connected with the spinning nut 1 and the flange plate 4 through fine threads.
The air inlet pipe body 5 is provided with a threaded hole which is connected with a pneumatic quick-plugging connector 7; the air inlet pipe body 5 is provided with a groove for preventing the axial sliding of the rotating pin 6.
The anti-rotation pin 6 is manufactured into a pin shaft with one threaded end by a stainless steel machine and is arranged on a threaded hole on the circumference of the pressing pad 2.
The pneumatic quick connector 7 is a purchased part, is arranged on the air inlet pipe body 5 and is connected with the differential pressure sensor through a hose.
The polyurethane hose 9 is connected with the air inlet pipe body 5 through a hose clamp, and the other end of the polyurethane hose is connected with the control box and the fan through the hose clamp. The plastic film is used for sealing the test piece when the air tightness performance of the building external window is detected.
The working process is as follows: firstly, a circular hole is cut on a plastic film 8 according to the inner diameter of a spinning nut 1, then a flange plate 4 is screwed into a shaft shoulder, a sealing gasket 3 is sleeved, the plastic film 8 is sleeved along the cut circular hole, a pressing pad 2 is sleeved, the spinning nut 1 is screwed tightly to be completely sealed with the plastic film 8, and then the plastic film 8 is sealed on the whole hole of a tested window. And finally, the polyurethane hose 9 is connected to the air inlet pipe body 5 through a hose hoop, and the pneumatic quick connector 7 is inserted into a hose connected with the differential pressure sensor to start the test of the air tightness. After the experiment is done, the box is disassembled in sequence and used next time. The device has the advantages of simple installation, reliable sealing, convenience, practicability and the like, and is particularly suitable for detecting the field air tightness of the building external window.
Special attention is paid to: the device is characterized in that in the screwing process of the spinning nut 1, the compression pad 2 has the function of the anti-rotation pin 6, can not rotate and can only axially move, so that the problems of winding damage and poor sealing caused by the plastic film 8 are avoided.
The utility model discloses during the use: firstly, a circular hole is cut on a plastic film 8 according to the inner diameter of a spinning nut 1, then a flange plate 4 is screwed into a shaft shoulder, a sealing gasket 3 is sleeved, the plastic film 8 is sleeved along the cut circular hole, a pressing pad 2 is sleeved, the spinning nut 1 is screwed tightly to be completely sealed with the plastic film 8, and then the plastic film 8 is sealed on the whole hole of a tested window. And finally, the polyurethane hose 9 is connected to the air inlet pipe body 5 through a hose hoop, and the pneumatic quick connector 7 is inserted into a hose connected with the differential pressure sensor to start the test of the air tightness.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (10)
1. An air inlet connecting device of a building external window on-site air tightness performance detection device comprises an air inlet pipe body; the air inlet pipe body is sleeved with a flange plate and a spinning nut, and a pressing pad is sleeved on the air inlet pipe body and between the flange plate and the spinning nut;
the air inlet pipe body is provided with a sliding groove, and an anti-rotation pin penetrates through the pressing pad and extends into the sliding groove for preventing the axial sliding of the anti-rotation pin;
the air inlet pipe body is also provided with a pneumatic quick connector.
2. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: and the spinning nut is in threaded connection with the air inlet pipe body.
3. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: the circumference of the pressing pad is provided with a threaded hole, and the anti-rotation pin is in threaded connection with the pressing pad through the threaded hole.
4. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: the spinning nut and the flange plate clamp the pressing pad in the middle.
5. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 4, wherein: a sealing gasket is sleeved on the air inlet pipe body and between the pressing gasket and the flange plate.
6. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 4 or 5, wherein: the sealing gasket is in a flange shape and is made of a nitrile rubber plate.
7. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: the flange plate is in threaded connection with the air inlet pipe body and is made of nylon.
8. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: the pneumatic quick connector is in threaded connection with the air inlet pipe body.
9. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: the pneumatic quick-connection plug is connected with the differential pressure sensor through a pipeline.
10. The air inlet connecting device of the building external window field air tightness performance detection equipment as claimed in claim 1, is characterized in that: a polyurethane hose is connected with the air inlet pipe body through a hose clamp, and the other end of the polyurethane hose is connected with the control box and the fan through the hose clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022518750.1U CN213632581U (en) | 2020-11-04 | 2020-11-04 | Air inlet connecting device of building external window on-site air tightness performance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022518750.1U CN213632581U (en) | 2020-11-04 | 2020-11-04 | Air inlet connecting device of building external window on-site air tightness performance detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213632581U true CN213632581U (en) | 2021-07-06 |
Family
ID=76630995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022518750.1U Active CN213632581U (en) | 2020-11-04 | 2020-11-04 | Air inlet connecting device of building external window on-site air tightness performance detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213632581U (en) |
-
2020
- 2020-11-04 CN CN202022518750.1U patent/CN213632581U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201607311U (en) | Air pipe air leakage testing device | |
| CN204533915U (en) | A kind of fluid circuit seal connection | |
| CN105241614A (en) | Detection apparatus of pressure pipeline | |
| CN213632581U (en) | Air inlet connecting device of building external window on-site air tightness performance detection equipment | |
| CN206488903U (en) | Pressure pipeline weld seam detection means | |
| CN202928755U (en) | Device for testing seepage of non-return valve | |
| CN206522621U (en) | Pressure Pipe Leakage Detection device | |
| CN203422203U (en) | Air tightness detection apparatus for sealed bearing | |
| CN205192696U (en) | Detection apparatus for pipeline under pressure | |
| CN210319434U (en) | Pipeline leakage detection device | |
| CN209525069U (en) | A kind of steel tube coupling thread seal system safety testing device | |
| CN208171542U (en) | A kind of movable oil pipe leak detector | |
| CN212904280U (en) | Hose load testing arrangement for gas | |
| CN207019720U (en) | Integrated measuring piecing devices for water-tight equipment | |
| CN207515986U (en) | A kind of oil tank for oil immersion type transformer leakage testing device | |
| CN208568214U (en) | A kind of vacuum type leak detection apparatus and system | |
| CN219220917U (en) | Automatic hydraulic cylinder production line of robot | |
| CN219657082U (en) | PCCP pipeline hydrostatic test device | |
| CN219121659U (en) | Offline inspection device for internal leakage of pneumatic butterfly valve | |
| CN217059641U (en) | Compound pipe hydraulic test connects frock | |
| CN217877925U (en) | Intelligent water meter detection device | |
| CN216899065U (en) | Time difference type flowmeter under-pressure water-carrying replacement external plug-in sensor device | |
| CN210687346U (en) | Quick connecting device for U-shaped pipe differential pressure gauge | |
| CN205026173U (en) | Gearbox cleanliness detects fuel outlet valve | |
| CN215174180U (en) | Device for detecting pipeline of milling head of machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |