Spring-open type fuel tank lock

Abstract

The invention relates to a spring-open type fuel tank lock which comprises a joint seat, a fuel tank cover and a locking unit, wherein the joint seat comprises a sleeve barrel and a fixed rack connected with the sleeve barrel; the fuel tank cover comprises a cover body pivoted on the sleeve barrel of the joint seat and a clamping piece convexly arranged on the cap body; the locking unit comprisesa swing piece which can be pendularly pivoted on the fixed rack and a pulling piece for driving the swing piece, and the swing piece is provided with a stop unit and a pulling unit which match mutually and form a preset angle therebetween. The swing piece is matched with the clamping piece in a swing mode to match with the stop unit and the pulling unit with the preset angle therebetween so as toensure that the moving tendency of the pulling piece can be changed in accordance with the preset angle, the front part of a motorcycle is miniaturized, and the pulling piece drives the swing piece ina more labor-saving way.

Description

【Technical field】 [0001] The invention relates to a fuel tank lock, in particular to a spring-opening fuel tank lock. 【Background technique】 [0002] refer to figure 1 , the existing motorcycle 1 comprises a hollow car shell 11, a head pipe 12 pierced on the car shell 11, a refueling port 13 arranged in the car shell 11 for adding gasoline, a A fuel tank lock 14 on the fuel filler port 13, a main switch lock 15 arranged in the vehicle shell 11 corresponding to the fuel tank lock 14, a locking unit 16 arranged on the fuel tank lock 14, and a lock unit 16 arranged on the head pipe 12 is used to fix the fixing frame 17 of this car shell 11. [0003] refer to figure 1 , 2 The fuel tank lock 14 includes a sleeve 141 disposed on the fuel filler opening 13 , that is, a fuel tank cap 143 pivotally disposed on the sleeve 141 and protrudingly provided with a locking member 142 . The locking unit 16 includes a hollow locking seat 161 arranged on the sleeve 141 in cooperation with ...

AI Technical Summary

Problems solved by technology

[0004] However, since the steel cable 163 pulls the stopper 162 linearly towards the car shell 11, the steel cable 163 must protrude toward the car shell 11 to obtain the required space for pulling the stopper 162.

[0005] In order not to interfere with the steel cable 163, the distance between the head pipe 12 and the car shell 11 must be increased, but doing so will cause a large increase in the volume of the front part of the existing motorcycle 1, which will affect the handling of the existing motorcycle 1

[0006] But if do not increase the volume of headstock, then will cause this steel cable 163 to be deformed by this car shell 11 compression (as figure 2 As shown), not only is it easy to cause the steel cable 163 to break, but it is more likely that the deformation of the steel cable 163 will generate a pre-tension force on the stopper 162, so that the stopper 162 is slightly separated from the clamping member 142, so, When the vehicle shell 11 is subjected to external impact or vibration caused by uneven road surface, the fuel tank cap 143 will be automatically opened, affecting driving safety.

[0007] refer to figure 1 , 3 , in order to improve the shortcoming of the locking unit 16 of the existing motorcycle 1, the relevant industry has developed the technology disclosed in the invention patent case No. I239307 as China Taiwan Announcement, and its main improvement is: the hollow shape lock of the locking unit 16 The seat 161 is towards the main switch lock 15, whereby the steel cable 163 can be more smoothly connected to the stopper 162 and the main switch lock 15, so as to prevent the steel cable 163 from protruding towards the car shell. However, in this way The head pipe 12 must be based on image 3 Only by moving to the position of the head pipe 12' in the direction shown by the middle arrow can the steel cable 163 be prevented from being interfered by the head pipe 12. However, such a design cannot be applied to all existing motorcycles 1, and undoubtedly causes motorcycle Car 1 is limited in design, so this method of improvement is not a good idea

[0008] review figure 1 , when the knight turns the main switch lock 15 and then pulls the steel cable 163, the steel cable 163 will be deformed as shown by the phantom line due to the tension effect. To connect the main switch lock 15 and the stopper 162, it is easy to cause the deformed steel cable 163 to interfere with the fixed frame 17, and then the steel cable 163 is broken, or the steel cable 163 is the fixed frame 17 and the fixed frame 17. The situation clamped by the vehicle shell 11 makes the main switch lock 15 unable to control the fuel tank cap 143 of the fuel tank lock 14

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