Key ring

Abstract

A key ring includes a fixing portion, a connecting portion and an operating portion connected in sequence, where the fixing portion is provided with an internally threaded rod extending to one side thereof, and an outer side wall of the internally threaded rod is configured for hanging a key; the operating portion is provided with an operating knob, the operating knob is rotatably mounted on the operating portion, the operating knob is provided with an externally threaded rod, and the externally threaded rod is in threaded connection with the internally threaded rod; the key ring provided by the present disclosure has the feature of convenient operation.

What is claimed is: 
     
         1 . A key ring, comprising a fixing portion, a connecting portion and an operating portion connected in sequence, wherein
 the fixing portion is provided with an internally threaded rod extending to one side of the fixing portion, and an outer side wall of the internally threaded rod is configured for hanging a key; and   the operating portion is provided with an operating knob, the operating knob is rotatably mounted on the operating portion, the operating knob is provided with an externally threaded rod, and the externally threaded rod is in threaded connection with the internally threaded rod.   
     
     
         2 . The key ring according to  claim 1 , wherein the externally threaded rod and/or the internally threaded rod is sleeved with a resilient abutment, and the resilient abutment is configured for abutment with a key hung on the internally threaded rod. 
     
     
         3 . The key ring according to  claim 2 , wherein the resilient abutment is a resilient gasket. 
     
     
         4 . The key ring according to  claim 1 , wherein the operating portion is provided with a rotating cavity and an operating opening communicating with the rotating cavity and an outer side of the operating portion, the operating knob is rotatably mounted in the rotating cavity, and a side wall of the operating knob is exposed to the operating opening. 
     
     
         5 . The key ring according to  claim 4 , wherein the operating openings are provided on both opposite sides of the operating portion. 
     
     
         6 . The key ring according to  claim 1 , wherein the connecting portion is provided with a wireway, and both ends of the wireway are provided with plug-in ports; the wireway is configured for receiving a data line, and the plug-in port is configured for plugging a plug of the data line. 
     
     
         7 . The key ring according to  claim 6 , wherein the connecting portion is further provided with an access notch in communication with the wireway. 
     
     
         8 . The key ring according to  claim 6 , wherein the fixing portion is provided with a receiving groove communicating with the plug-in port, an electronic functional assembly is mounted in the receiving groove, and a data port of the electronic functional assembly is provided directly opposite the plug-in port. 
     
     
         9 . The key ring according to  claim 8 , wherein the electronic functional assembly is an light-emitting diode (LED) illuminating lamp, a global positioning system (GPS) locator or a buzzer.