Oil changing device of a gear box

Abstract

The present invention provides an oil changing device of a gear box including a bucket and an adjusting structure. The adjusting structure comprises a refueling device, an adjusting valve assembly and an oil-exporting tube. The adjusting valve assembly comprises an oil-importing valve and an oil-exporting switch. The refueling device is used for pressuring gear box oil stored in the containing room the bucket passing the oil-importing vale and going into the gear box, and the oil-exporting switch drives the gear box oil passing the oil-exporting tube and going out of the adjusting structure. As such, the oil changing device of a gear of the present invention can infuse new oil into the gear box and drain extra oil out directly.

1 . An oil changing device of a gear box, used for connecting to the gear box, the oil changing device comprising:
 a bucket, having a containing room, the containing room being used for storing oil of the gear box;   an adjusting structure, one end of the adjusting structure being disposed on the bucket, another end of the adjusting structure can be used for connecting with the gear box, the adjusting structure connecting the containing room to the gear box so that oil ducts are adjusted by the adjusting structure;   wherein the adjusting structure comprises a refueling device, an adjusting valve assembly, and an oil-exporting tube, the refueling device is disposed on the bucket, the adjusting valve assembly comprises an oil-importing valve and an oil-exporting switch, the refueling device is used for pressuring gear box oil stored in the containing room of the bucket passing the oil-importing vale and going into the gear box, the oil-exporting switch drives the gear box oil passing the oil-exporting tube and going out of the adjusting structure.   
     
     
         2 . The oil changing device of  claim 1 , wherein the adjusting structure comprises an oil-importing tube, the adjusting valve assembly comprises a T-valve, the T-valve comprises a first tube and a second tube, the first tube has a first opening and a second opening at both ends respectively, the second tube horizontally extends from a lateral side of the first tube, the second tube has an opening on one end away from the first tube; the oil-importing valve is disposed with the first tube, the oil-importing valve is close to one opening of the first opening and the second opening of the first tube, the oil-importing tube connects the bucket to either the first opening or the second opening of the first tube. 
     
     
         3 . The oil changing device of  claim 2 , wherein the adjusting structure comprises a connecting tube, one end of the connecting tube connects to the opening of the second tube, another end of the connecting tube can be used for connecting to the gear box, the oil-exporting switch is disposed with the first tube with being close to the first opening of the first tube, the adjusting valve assembly comprises an oil-exporting valve, the oil-exporting valve is disposed between the first opening of the first tube and the oil-exporting switch, the bucket is disposed with an inserting portion, the inserting portion has a hole connecting to the containing room, one end of the oil-exporting tube connects to the first opening of the first tube, another end of the oil-exporting tube is engaged with the inserting portion. 
     
     
         4 . The oil changing device of  claim 2 , wherein one end of the connecting tube connects to the first opening of the first tube, another end of the connecting tube can be used for connecting to the gear box, the oil-exporting switch is disposed with the second tube close to the opening of the second tube, the adjusting valve assembly comprises an oil-exporting valve, the oil-exporting valve is disposed between the opening of the second tube and the oil-exporting switch, one end of the oil-exporting tube connects to the opening of the second tube, another end of the oil-exporting tube has an oil-exporting opening. 
     
     
         5 . The oil changing device of  claim 4 , wherein the oil-exporting opening of the oil-exporting tube is exposed to surroundings, the surroundings is an external space outside the oil changing device. 
     
     
         6 . The oil changing device of  claim 4 , wherein the bucket is disposed with an inserting portion, the inserting portion has a hole connecting to the containing room, one end of the oil-exporting tube connects to the opening of the second tube, another end of the oil-exporting tube is inserted in the inserting portion. 
     
     
         7 . The oil changing device of  claim 1 , wherein the bucket comprises a lid, the refueling device is disposed on the lid, the adjusting valve assembly is disposed with the lid, the lid has an inserting hole connecting to the containing room; wherein, the adjusting structure comprises a connecting tube, the adjusting valve assembly comprises a valve, one end of the connecting tube connects to the valve, another end of the connecting tube can be used for connecting to the gear box, one end of the oil-exporting tube is engaged with the inserting hole, another end of the oil-exporting tube connects to the valve, the oil-exporting switch is disposed with the oil-exporting tube so that the oil-exporting tube connects the connecting tube to the containing room selectively. 
     
     
         8 . The oil changing device of  claim 7 , wherein the oil-exporting switch is a speed-controlling valve, the speed-controlling valve is used for the oil-exporting tube to connect the connecting tube to the containing room selectively. 
     
     
         9 . The oil changing device of a gear box of  claim 1 , wherein the oil changing device of a gear box further comprises a storage device, the storage device is used for storing the oil-exporting switch. 
     
     
         10 . The oil changing device of  claim 2 , wherein the oil changing device of a gear box further comprises a storage device, the storage device is used for storing the oil-exporting switch. 
     
     
         11 . The oil changing device of  claim 3 , wherein the oil changing device of a gear box further comprises a storage device, the storage device is used for storing the oil-exporting switch. 
     
     
         12 . The oil changing device of  claim 4 , wherein the oil changing device of a gear box further comprises a storage device, the storage device is used for storing the oil-exporting switch. 
     
     
         13 . The oil changing device of  claim 5 , wherein the oil changing device of a gear box further comprises a storage device, the storage device is used for storing the oil-exporting switch. 
     
     
         14 . The oil changing device of  claim 6 , wherein the oil changing device of a gear box further comprises a storage device, the storage device is used for storing the oil-exporting switch. 
     
     
         15 . The oil changing device of  claim 1 , wherein the connecting tube comprises a switch device, the switch device is used for the connecting tube so that the connecting tube connects the adjusting valve to the gear box selectively. 
     
     
         16 . The oil changing device of  claim 2 , wherein the connecting tube comprises a switch device, the switch device is used for the connecting tube so that the connecting tube connects the adjusting valve to the gear box selectively. 
     
     
         17 . The oil changing device of  claim 3 , wherein the connecting tube comprises a switch device, the switch device is used for the connecting tube so that the connecting tube connects the adjusting valve to the gear box selectively. 
     
     
         18 . The oil changing device of  claim 4 , wherein the connecting tube comprises a switch device, the switch device is used for the connecting tube so that the connecting tube connects the adjusting valve to the gear box selectively. 
     
     
         19 . The oil changing device of  claim 5 , wherein the connecting tube comprises a switch device, the switch device is used for the connecting tube so that the connecting tube connects the adjusting valve to the gear box selectively. 
     
     
         20 . The oil changing device of  claim 6 , wherein the connecting tube comprises a switch device, the switch device is used for the connecting tube so that the connecting tube connects the adjusting valve to the gear box selectively.