Fuel tank oiling opening anti-theft device

Abstract

The invention discloses a fuel tank oiling opening anti-theft device. The fuel tank oiling opening anti-theft device comprises an implanting cylinder, and is characterized in that the upper side of the implanting cylinder is provided with a clamping ring, the inside of the implanting cylinder is provided with a sleeve, the lower side of the sleeve is provided with a conical cylinder, the side wall of the conical cylinder is provided with an oil leakage hole, the bottom of the conical cylinder is provided with a convex-surface bottom plate, the front side and the rear side of the sleeve are provided with guiding bolts, the front side and the rear side of the implanting cylinder are provided with guiding rails, the guiding rails are arranged corresponding to the guiding bolts, a spring base is arranged above the guiding rails, the spring base is provided with a tension spring, and the lower end of the tension spring is connected with the guiding bolts. The fuel tank oiling opening anti-theft device has the advantages that the occurrence of a situation that a siphon principle is utilized to steel oil is effectively prevented, smooth refueling is not hindered, and oil returning cannot occur at the same time.

Description

technical field [0001] The invention relates to an anti-theft device, in particular to an anti-theft device for an oil filling port of a fuel tank. Background technique [0002] At present, when automobiles go out to park, the fuel in the fuel tank of the automobile is often stolen. This type of theft often uses hoses to utilize the siphon phenomenon to steal the fuel in the fuel tank, which makes people suffer economic losses and time losses, and the interests are greatly damaged. Contents of the invention [0003] The object of the present invention is to provide an anti-theft device for an oil filling port of a fuel tank. [0004] In order to achieve the above object, the technical solution of the present invention includes an implant tube, which is characterized in that a snap ring is provided on the upper side of the implant tube, a sleeve is provided inside the implant tube, and a sleeve is provided on the lower side of the sleeve. Conical cylinder, the side wall of...

AI Technical Summary

Problems solved by technology

[0002] At present, when the car is parked outside, the fuel in the fuel tank of the car is often stolen. This kind of theft often uses hoses to use the siphon phenomenon to steal the fuel in the fuel tank, causing people to suffer economic losses and time losses, and the interests are greatly damaged.

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