Alternate type seal piece of hydraulic lifting machine
A staggered, sealing technology, applied in the direction of mechanical equipment, engine components, piston rings, etc., can solve the problems that the flatness cannot be perfect, and the sealing effect may not be achieved.
Pending Publication Date: 2018-02-09
东台市富康机械有限公司
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Problems solved by technology
Gaskets are usually made of sheet materials. Metal gaskets are commonly used gaskets. They have precise structural dimensions and are widely used. Compared with other non-metallic gaskets, metal gaskets have higher hardness. And rigidity, its own surface condition and flatness after compression deformation cannot be perfect, so it usually requires higher pressure during use, even so, it may not be able to achieve a better sealing effect
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[0019] exist figure 1 and figure 2 In the staggered seal of the hydraulic lifting machine shown, the gasket body 1 is a metal gasket, which is shaped like a circular plate, and several strip-shaped holes 2 are intermittently arranged on the gasket body 1 along the circumferential direction. , each strip hole 2 is an arc strip hole, the arc center of the arc strip opening 2 is concentric with the center of the circular gasket body 1, and is arranged between the inner ring and the outer ring of the gasket body 1 There are three lines, two adjacent strip holes 2 are staggered along the circumferential direction, and the interval A between the strip holes 2 intermittently arranged along the circumferential direction is smaller than the length B of the adjacent strip hole 2, in this example The interval A between the strip-shaped holes 2 and the length B of the strip-shaped holes 2 are both chord lengths. There are also connecting bolt holes 4 on the gasket body 1, and the connec...
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The invention discloses an alternate type seal piece of a hydraulic lifting machine. The alternate type seal piece of the hydraulic lifting machine comprises a gasket body. A plurality of strip-shapedholes are discontinuously formed in the gasket body in the circumferential direction. At least two circles of strip-shaped holes are formed between the inner ring and the outer ring of the gasket body. The strip-shaped holes of every two adjacent circles are alternately arranged in the circumferential direction. The strip-shaped holes are arc-strip-shaped holes or straight-strip-shaped holes. Thestrip-shaped holes are filled with elastic seal bodies. Each elastic seal body is higher than the surface of the gasket body in the thickness direction. The cross section of each elastic seal body isin a kidney shape. The distance between the circle centers of semicircles at the two ends of each kidney-shaped cross section is smaller than the thickness of the gasket body. By the adoption of thealternate type seal piece of the hydraulic lifting machine enables a metal gasket to conveniently achieve a more ideal seal effect.
Description
technical field [0001] The invention relates to a hydraulic lifting machine, in particular to a sealing gasket with a tight sealing structure in the hydraulic lifting machine. Background technique [0002] Sealing gasket is a commonly used and key accessory in hydraulic lifting machinery. It is lined between two shell parts or shell and end cover, and is usually used to prevent pressure, corrosion, and pipelines between two objects. Naturally expand with heat and contract with cold to leak. Since machined surfaces can never be perfect, irregularities can be filled by using shims. Gaskets are usually made of sheet materials. Metal gaskets are commonly used gaskets. They have precise structural dimensions and are widely used. Compared with other non-metallic gaskets, metal gaskets have higher hardness. And rigidity, its own surface condition and flatness after compression deformation can not be perfect, so higher pressure is usually required during use, even so, it may not b...
Claims
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IPC IPC(8): F16J9/20F16J9/26
CPCF16J9/20F16J9/26
Inventor 彭洪崔益祥
Owner 东台市富康机械有限公司