Universal tapper
A hole opener and jack technology, which is applied in metal processing, fluid pressure actuating devices, etc., can solve the problems of hose detachment, inconvenience in use, breakage, etc., and achieves easy change, simple structure, and oil circuit tightness. Good results
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[0022] Such as figure 1 As shown, this universal hole opener is made up of parts such as oil pump body 1, oil cylinder 2, oil storage chamber 3, connecting pipe 4, double-hole joint 5, movable handle 8, fixed handle 9. The piston rod of the oil cylinder 2 is fixedly connected with a male mold for opening holes, and the male mold can cooperate with the female mold to realize the drilling of workpieces or metal plates.
[0023] Such as figure 1 with figure 2 As shown, the oil pump body 1 is respectively connected with the oil cylinder 2 and the oil storage chamber 3 through the oil passage. Between the oil cylinder 2 and the oil pump body 1 is provided a rigid movable coupling mechanism for connecting the two oil passages. The movable connection mechanism includes a curved connecting pipe 4, one end of the connecting pipe 4 is hinged with the oil outlet bolt 1a of the oil pump body 1, the other end is hinged with the socket 1 5a of the double-hole joint 5, and the socket 2 o...
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