Protecting device of bicycle frame

[0021] Example 1:

[0022] Such as figure 2 As shown, the protective device on the frame of the present invention includes: a pedal 2 arranged in the middle of the frame 1, and a protective plate 3 is arranged on one side of the pedal 2.

[0023] Example 2:

[0024] Such as image 3 As shown, the protective device on the frame of the present invention includes: a pedal 2 arranged in the middle of the frame 1, a protective plate 3 is provided on both sides of the pedal 2, two protective plates 3 and the frame A protective room is formed between 1.

[0025] Example 3:

[0026] Such as Figure 4 As shown, the protective device on the frame of the present invention includes: a pedal 2 arranged in the middle of the frame 1, a protective plate 3 is provided on both sides of the pedal 2, two protective plates 3 and the frame A protective room is formed between 1, and a cover plate 4 is provided on the top of the two protective plates 3 to make the protective room a closed box structure. One side of the cover plate 4 is movably arranged with one of the protective plates 4 through a hinge 5 (also called a hinge) to form a top-opening door. Similarly, one side of the protective plate 3 can also be movably arranged with the frame 1 to form a side door. In addition, in practical applications, a foot pad for foot rest or a seat pad for sitting on the cover plate 4 can also be provided.

[0027] The protective plate 3 in the above embodiment can also be set to Figure 5 The structure shown includes: a retractable protective plate body 32 and