OIL CHANGING DEVICE FOR A TRANSMISSION

摘要

An oil changing device for a transmission includes a tub body having a receiving space for receiving transmission oil, a main assembly having a base body, a manual set and a backflow valve, the base body mounted to the tub body, the base body having a main channel, a first passage and a backflow passage, the base body configured to connect with one end of an injection tube, another end of the injection tube connected to a transmission, the injection tube communicating with the main channel, the base body having a through hole opened therethrough, the through hole communicating with the main channel, the manual set having a second passage defined therein, the first passage connected between the main channel and the second passage, the backflow valve inserted into the through hole, and the backflow valve selectively closing or unclosing the backflow passage.

主权项

1. An oil changing device for a transmission comprising:
a tub body having a receiving space defined therein, the receiving space used to receive transmission oil; and a main assembly having a base body, a manual set and a backflow valve, the base body mounted to the tub body, the base body having a main channel, a first passage and a backflow passage, the base body configured to connect with one end of an injection tube, another end of the injection tube connected to a transmission, the injection tube communicating with the main channel, the base body having a through hole opened therethrough, the through hole communicating with the main channel, the manual set having a second passage defined therein, a pump member and a check valve, the first passage connected between the main channel and the second passage, the pump member being movable in the second passage, the check valve mounted in the second passage, the backflow valve inserted into the through hole of the base body, the backflow valve selectively closing or unclosing the backflow passage, so that the backflow passage selectively communicates between the main channel and the receiving space.