Knife of sandwich structure and personal care hair shear with same
A technology for personal care and structural treatment, which is applied in metal processing and other fields, can solve the problems of users' fear, users' vulnerability, etc., and achieve the effects of avoiding exposure, good safety, and improving shearing efficiency
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Embodiment 1
[0024] This embodiment provides a knife with a sandwich structure, which is composed of two fixed knives 1, 3 and a movable knife 2, and the movable knife 2 is sandwiched between the two fixed knives 1, 3. The front edges of the two fixed knives 1, 3 are respectively provided with a row of comb teeth 11, 31, and the inner surface of each comb tooth in contact with the movable knife 2 forms a sharp angle with the side of the comb tooth. The front edge of the movable knife 2 is provided with a row of teeth 21 with blades. The front edges of the two fixed knives 1, 3 and the moving knife 2 are stacked together, wherein: the front edges of the two fixed knives 1, 3 are superimposed on each other, and the front edge of the moving knife 2 is sandwiched between them, and is not exposed to the The front edge of any fixed knife 1,3. The moving knife 2 can be driven by a driving mechanism matched with the cutting tool, so that its front edge translates left and right between the front ...
Embodiment 2
[0029] This embodiment provides another cutter with a sandwich structure, such as Figure 4 As shown, it is similar to Embodiment 1, the only difference is that the two fixed knives 10, 30 are tooth-separated structures, that is, the gap between the comb teeth 110 of one of the fixed knives 10 and the comb teeth 310 of the other fixed knife 30 The gaps are overlapped one by one, and the teeth 210 of the movable knife 20 are sandwiched between the teeth 110 and 310 of the fixed knife.
Embodiment 3
[0031] This embodiment provides another cutter with a sandwich structure, such as Figure 5 As shown, it is similar to Embodiment 1, the difference is only that: each pair of adjacent cutter teeth 2100 of the movable knife is relatively inclined, so that one end of each pair of adjacent cutter teeth 2100 is close to each other. The other ends are far away from each other, forming a trapezoidal structure.
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