Refrigerator is with many functional test hole device

The utility model provides a refrigerator is with many functional test hole device, including pipe assembly and the nut that has central test hole, the pipe assembly includes the body pipe fitting, interior fastening plate and outer fastening plate, interior fastening plate and outer fastening plate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI ALONG, SUN DALIN, CHU XINXING, NIE WEN, LI HUAIQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION OR COOLING REFRIGERATORS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a refrigerator is with many functional test hole device, including pipe assembly and the nut that has central test hole, the pipe assembly includes the body pipe fitting, interior fastening plate and outer fastening plate, interior fastening plate and outer fastening plate are suitable for the inboard and the outside that is located refrigerator box wall respectively, interior fastening plate is detachably threaded connection with the body pipe fitting, thereby during the installation of the preformed hole on the body pipe fitting passes refrigerator box wall, it issurperficial that interior fastening plate and outer fastening plate can laminate the interior side surface and the outside of refrigerator box wall respectively, and the outer end that is located outside the outer fastening plate of body pipe fitting constitutes external screw thread portion, nut and this external screw thread portion adaptation, be provided with the air guide groove on the lateral wall of the external s