Cover opening device
A technology of a cap opening device and a rotating piece, which is applied in the disassembly of threaded caps and finger-shaped grapple hooks, etc., can solve the problems of complicated operation, etc., and achieve the effect of overcoming the complicated operation.
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Embodiment 1
[0055] The embodiment of the present invention provides a cover opening device for opening the oil drum cover 80 on the oil drum body 100 . see figure 1 The oil drum cover 80 includes a cover body and a rotation limiter 90, the cover body includes a circular groove 81, the rotation limiter 90 protrudes from the bottom surface of the circular groove 81, and the two sides of the rotation limiter 90 The end and the inner wall of the circular groove 81 enclose and form a bayonet port 82 respectively. The oil drum cover 80 has prior art, so its details are not described in further detail here.
[0056] see figure 2 , the cap opening device provided by the embodiment of the present invention includes a handle 10, a connecting piece 20 and a rotating piece 30; When screwing the oil drum cover 80 , the rotating member 30 can be clamped between the rotation limiter 90 and the side wall 811 of the circular groove 81 to screw the oil drum cover 80 .
[0057] Specifically, the handle...
Embodiment 2
[0064] see figure 1 and image 3 , the difference between this embodiment and embodiment 1 is:
[0065] The rotating part 30 is rotationally connected with the connecting part 20; and the cover opening device also includes a limiter 40 which is arranged on the connecting part 20, and the limiter 40 limits the rotating part 30 during the process of screwing the oil drum cover 80. position; and, when screwing the oil drum cover 80:
[0066] On the one hand, the rotation of the limiter 90 makes the rotary member 30 have a tendency to rotate. There is an acute angle between the connecting pieces 20;
[0067] On the other hand, the rotating member 30 is clamped between the rotation limiting body 90 and the circular groove 81, or is limited by two clamping interface parts 82;
[0068] Furthermore, the oil drum cover 80 can be rotated by applying torque to the rotary member 30 via the handle 10 .
[0069] In addition, when screwing the oil barrel cover 80, the above three points...
Embodiment 3
[0082] read on figure 1 and Figure 4 , the present embodiment provides a working method and a corresponding scheme of the cap opening device on the basis of Embodiment 2: the parts that define the two ends of the rotation limiter 90 and are surrounded by the circular groove 81 are the first Limiting part 91; when screwing the oil drum cover 80, the two ends of the rotating part 30 are inserted into the card interface part 82 one by one, and the two sides of the rotating part 30 respectively pass through two first limiting parts 91 to limit.
[0083] Specifically, the first limiting part 91 is the part enclosed by the side wall 811 of the circular groove 81 on the rotating limiting body 90 and is used to form the position of the card interface part 82. The two ends of the rotating part 30 can be The two first stoppers 91 form the stoppers in different directions, that is, when the oil drum cover 80 is screwed, the two first stoppers 91 respectively limit the two sides of the...
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