Precise mechanical connecting flange
A mechanical connection and flange technology, applied in the direction of flange connection, mechanical equipment, pipe/pipe joint/pipe fittings, etc., can solve the problems of reducing connection speed, complicated assembly, affecting normal work, etc., to extend service life and sealing effect. Good and easy to operate effect
Inactive Publication Date: 2017-06-20
CHONGQING GOERING LOGISTICS CO LTD
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Problems solved by technology
[0002] In the connection method of mechanical parts, flanges are commonly used to build connections. Ordinary flanges can only play the role of connection, and the sealing effect is not good. However, after the flange is connected to the pipeline, the liquid substance flowing in the pipeline It will overflow from the flange connection, causing leakage and affecting normal work.
In the prior art, in order to seal media such as oil, gas or water, sealing gaskets are mostly used at the joints of pipes or plungers, and most of the existing sealing gaskets use pure rubber pads, asbestos pads, etc. , the sealing effect is poor, and the assembly is complicated, it is easy to fall off, the connection is very inconvenient, the installation time is wasted, the connection speed is reduced, and the labor intensity of the operator is increased
Method used
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[0010] The present invention will be further described below in conjunction with accompanying drawing.
[0011] see figure 1 , the precision mechanical connection flange of the present invention includes a flange body 1, a connecting hole is arranged in the middle of the flange body 1, threaded holes 7 are arranged around the through hole on the flange body 1, and the middle part of the upper surface of the flange body 1 A boss 2 is provided, and a through hole is arranged on the boss 2. The inner diameter of the through hole is larger than the inner diameter of the connecting hole to form a stepped hole 3. A sealing device is provided at the step of the stepped hole 3. The sealing device includes an annular metal skeleton 4, a metal The upper and lower surfaces of the framework 4 are provided with a sealing layer 5, the inner wall of the metal framework 4 is provided with a gasket 6, the upper surface of the gasket 6 is provided with two arc-shaped protrusions, and an annular...
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The invention discloses a precision mechanical connecting flange, which comprises a flange body, a connection hole is arranged in the middle of the flange body, threaded holes are arranged around the through hole on the flange body, and a convex hole is arranged in the middle of the upper surface of the flange body. There is a through hole on the boss, the inner diameter of the through hole is larger than the inner diameter of the connecting hole to form a stepped hole, the step of the stepped hole is provided with a sealing device, the sealing device includes a ring-shaped metal skeleton, and the upper and lower surfaces of the metal skeleton are provided with seals. Layer, the inner wall of the metal skeleton is provided with a gasket, the upper surface of the gasket is provided with two arc-shaped protrusions, and an annular groove is arranged around the through hole on the lower surface of the flange body, and a sealing ring is arranged in the groove. The invention has reasonable structure and convenient operation. The sealing device is bonded inside the flange, the sealing effect is good, the sealing device is not easy to fall off, and the service life of the sealing device is prolonged.
Description
technical field [0001] The invention relates to a flange, in particular to a precision mechanical connection flange. Background technique [0002] In the connection method of mechanical parts, flanges are commonly used to build connections. Ordinary flanges can only play the role of connection, and the sealing effect is not good. However, after the flange is connected to the pipeline, the liquid substance flowing in the pipeline It will overflow from the flange connection, causing leakage and affecting normal work. In the prior art, in order to seal media such as oil, gas or water, sealing gaskets are mostly used at the joints of pipes or plungers, and most of the existing sealing gaskets use pure rubber pads, asbestos pads, etc. , The sealing effect is poor, and the assembly is complicated, it is easy to fall off, the connection is very inconvenient, the installation time is wasted, the connection speed is reduced, and the labor intensity of the operator is increased. Co...
Claims
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Login to View More IPC IPC(8): F16L23/032
CPCF16L23/032
Inventor 陈宇
Owner CHONGQING GOERING LOGISTICS CO LTD