Sealing joint in hydraulic system
A technology for sealing joints and hydraulic systems, which is applied in the direction of sealing surface connections, pipes/pipe joints/fittings, passing components, etc. It can solve problems such as unsatisfactory sealing connections of aluminum alloy pipes, inconvenient installation and disassembly of sealing joints, and damage to components, etc. , to achieve the effect of simple structure, convenient installation and disassembly, and wide application range
Inactive Publication Date: 2011-04-13
WUXI BAONAN MACHINE MFG
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[0008] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0009] Such as figure 1 As shown, the sealing joint in the embodiment is applied in a hydraulic system, and it is mainly composed of a first connecting piece 1 , a second connecting piece 4 , a connecting nut 2 and an O-ring 3 .
[0010] Such as figure 1 As shown, the head car of the first connector 1 has pipe threads for sealing connection with other components, and the outer wall of the middle part of the first connector 1 is provided with a hexagonal head 1a, and the hexagonal head 1a is matched with a wrench tool, so that Installation and disassembly of the first connecting piece 1; the tail of the first connecting piece 1 has pipe threads.
[0011] Such as figure 1 As shown, the head of the second connector 4 is provided with a connecting seat 4a, the outer diameter of the connecting seat 4a is the same as the outer diameter of the tail of the first con...
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The invention relates to a sealing joint applied in a hydraulic system. The sealing joint comprises a first connector, a second connector, a connecting screw cap and an O-shaped sealing ring; a pipe thread is lathed on the head of the first connector, a hexagon head is arranged on the outer wall of the middle part of the first connector, and a pipe thread is lathed on the tail part of the first connector; the head of the second connector is provided with a connecting seat, the outside diameter of the connecting seat is the same as that of the tail part of the first connector, and a pipe thread is lathed on the peripheral wall of the connecting seat; the connecting screw cap is sleeved on the second connector, and the connecting screw cap is connected with the threads on the tail part of the first connector and the head of the second connector; a clamping seat is arranged on the connecting screw cap, and the clamping seat clamps the connecting seat on the head of the second connector when the connecting screw cap is screwed to the tail part of the fist connector; and the O-shaped sealing ring is clamped between the first connector and the second connector. The sealing joint has simple, skilful and reasonable structure and wide application range, and is convenient to assemble and disassemble; and the O-shaped sealing ring is prevented from being damaged by excessive extrusion.
Description
technical field [0001] The invention relates to a sealing joint, in particular to a sealing joint applied in a hydraulic system. Background technique [0002] Many existing mechanical equipment have hydraulic systems. In order to ensure the reliable operation of hydraulic systems, the connections between metal pipes and between metal pipes and components should have sufficient strength and good sealing. The pressure loss should be small, and the disassembly and assembly should be convenient. At present, the connection between metal pipes and between metal pipes and components mainly includes direct welding, flange connection and sealed joint connection. In the case of direct welding, the welding work must be carried out at the installation site, and a series of processes such as trial assembly, welding, slag removal, and pickling are required. After installation, it is inconvenient to disassemble and the welding quality is not easy to check, so it is rarely used. The flang...
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IPC IPC(8): F16L19/03
Inventor 吕爱萍
Owner WUXI BAONAN MACHINE MFG