Multi-position adjustable pressure pressure-limiting valve
A pressure-adjustable and pressure-limiting valve technology, applied in pressure cookers and other directions, can solve the problems of easy loss and inconvenient use, and achieve the effects of satisfying cooking needs, simple structure and convenient use.
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Embodiment 1
[0033] In this example, if Figure 1 to Figure 11 As shown, in this embodiment, the present invention includes a valve seat 1, an exhaust pipe 2 and a weight 3, the intake end of the exhaust pipe 2 passes through the bottom of the valve seat 1, and the exhaust pipe 2 is adapted to the weight 3 arranged on the valve seat 1, the present invention also includes a height adjustment structure, the weight 3 includes an upper weight 31 and a lower weight 32, the height The adjustment structure is used to adjust the height of the upper weight 31. The upper weight 31 is provided with a limit structure 311. The lower weight 32 is movably connected with the upper weight 31. When the upper weight 31 When the height changes, the limiting structure 311 raises or lowers the lower weight 32 .
[0034] In this embodiment, the height adjustment structure is a support column arranged on the valve seat 1 4. The lower end of the upper weight 31 is provided with the support column 4. Several i...
Embodiment 2
[0043] The difference between this embodiment and Embodiment 1 is that the weight 3 also includes three intermediate weights 33, which are respectively the first-level weight, the second-level weight, and the third-level weight. The middle weight 33 is movably connected with the upper weight 31 . When the upper weight 31 moves upward, the limit structure 311 holds up the first-stage weight, the second-stage weight, and the third-stage weight of the middle weight 33 in sequence, and finally lifts the lower weight. Heavy hammer 32; when the upper heavy hammer 31 moves downward, the limit structure 311 puts down the lower heavy hammer 32 in sequence, the third level heavy hammer of the middle heavy hammer 33, the second level heavy hammer, and finally puts down First level heavy hammer.
[0044] Moreover, in this embodiment, the position-limiting structure 311 is a claw, and the claws are provided with several groups of claws distributed in the vertical direction, and the claws ...
Embodiment 3
[0046] The difference between the present embodiment and the second embodiment is that the position-limiting structure 311 is a claw, and the claws are provided with several groups of claws distributed in the vertical direction with the claw openings facing outwards. The distance between them increases sequentially from top to bottom, the claws clamp the inner edges of several of the middle weights 33 and the lower weights 32, and several of the middle weights 33 and the lower weights 32 Distributed from top to bottom, the weights of the several intermediate weights (33) can be the same or different.
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