Anti-theft oil device with built-in password at the fuel tank port and its installation method
A password anti-theft and fuel tank port technology, which is applied in the field of fuel tank port built-in password anti-theft oil, can solve the problems of car owner loss, low safety performance, damage, etc., and achieve the effect of convenient operation
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[0043] See figure 1 and Figure 5, a built-in password anti-theft oil device at the mouth of the fuel tank, the present invention is characterized in that it comprises: a lock sleeve, an oil inlet cylinder and a password disk put into the lock sleeve, an unlocker for opening the password disk, and the code disk is set as a convenient refueling The gun is inserted into the hollow annular disc body for refueling; wherein: the password disc includes a disc body with a cylinder connected to an annulus, an inner sleeve core sleeved in the disc body cylinder, and is located between the disc body and the inner sleeve core. The slider and the ring fixed on the inner sleeve core; the disc body is a hollow ring-shaped disc body that is convenient for the oil gun to be inserted into it for refueling. The unlocking hole B is the same circle as the unlocking hole A on the surface of the disc body; the center of the disc body and the center of the inner sleeve core have an equal circle oil...
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