Pressure converter for electric pressure cooker
A technology of electric pressure cooker and conversion device, which is applied in the direction of pressure cooker, etc. It can solve the problems of high production cost, high precision and complex structure of rotating parts and piston processing technology, and achieve the effect of small gap, simple and practical structure, and high control precision
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Embodiment 1
[0034] As shown in Figure 1, Figure 2a, Figure 3a, and Figure 4, a pressure conversion device for an electric pressure cooker includes a pot cover 1, an elastic sealing sleeve 2, a piston guide sleeve 3, a piston lower cover 41 forming a piston, and a piston upper cover 44. Piston spring 42, fixed bracket 5, rotating long arm 61, rotating short arm 63, rotating shaft sleeve 64, fixed inner shaft 65 and limit plate 7 that make up the rotating mechanism. The pot cover 1 is a general component of the electric pressure cooker, which is used to seal the inner pot of the electric pressure cooker, so that the inner pot of the electric pressure cooker has good airtightness; the elastic sealing sleeve 2 is fixed and sealed on the hole wall of the hole 10 of the pot cover 1; the piston The guide sleeve 3 is embedded and fixed in the elastic sealing sleeve 2; the piston guide sleeve 3 and the piston are in clearance fit, so that the piston can slide up and down smoothly in the piston guid...
Embodiment 2
[0042] As shown in Figure 2b, the main difference from Embodiment 1 is that the piston is in the shape of "⊥", and the diameter of the lower convex column is larger than the diameter of the upper cylinder; the piston can be composed of a piston lower cover 41 and a piston upper cover 44. It can also be manufactured as an integrated structure. The piston spring 42 is arranged on the outside of the piston and is fixed or restricted between the lower flange of the piston and the fixing bracket 5 . The limiting plate 7 is used together with the piston spring 42 to limit the moving range of the piston, thereby controlling the rotating range of the rotating mechanism.
Embodiment 3
[0044] As shown in Figure 2C, the main difference from Embodiment 1 is that the piston is an integrated structure; the setting of the piston guide shaft 43 is canceled, and the column-shaped guide post 45 is changed, and one end of the guide post 45 is connected to the center of the top of the piston 4 Fixedly connected, the other end of the guide post 45 passes through the central hole of the limiting plate 7 and is axially slidably connected in the central hole of the limiting plate 7 . The piston 4 is in the shape of "⊥", and the diameter of the lower convex column is larger than that of the upper cylinder. The piston spring 42 is sleeved on the outside of the piston 4 and is arranged between the lower flange of the piston 4 and the fixed bracket 5 . The limiting plate 7 is used together with the piston spring 42 to limit the moving range of the piston 4, thereby controlling the rotating range of the rotating mechanism.
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