Oil cylinder with good sealing effect
A technology of sealing effect and oil cylinder, applied in the direction of fluid pressure actuating device, etc., can solve the problems of poor sealing performance, achieve the effect of improved sealing effect, convenient use, and improved stability
Inactive Publication Date: 2018-12-07
HUANGSHI ZHONGTIAN MACHINERY MFG
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Problems solved by technology
[0003] The purpose of the present invention is to solve the disadvantage of poor sealing performance caused by the friction loss of the sealing ring on the piston existing in the prior art, and propose an oil cylinder with good sealing effect
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[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.
[0016] refer to Figure 1-3 , an oil cylinder with good sealing effect, comprising a cylinder body 1, a cylinder bottom 7 is fixedly installed at the bottom of the cylinder body 1, a cylinder head 4 is installed on the top of the cylinder body 1 through a plurality of first locking screws 8, and the cylinder body 1 A piston 12 is mounted on the inside of the piston 12, and a piston rod 11 is installed on the upper surface of the piston 12. One end of the piston rod 11 penetrates the cylinder head 4 and extends to the top of the cylinder head 4. The upper and lower ends of the cylinder body 1 are provided with first oil pumps respectively. Hole 9 and secon...
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The invention relates to the technical field of oil cylinders, in particular to an oil cylinder with a good sealing effect. The oil cylinder comprises a cylinder body; a cylinder bottom is fixedly mounted at the bottom end of the cylinder body; a cylinder cover is mounted at the top end of the cylinder body through a plurality of first locking screws; a piston is mounted in the cylinder body in amatched mode; a piston rod is mounted on the upper surface of the piston; one end of the piston rod penetrates through the cylinder cover to extend to the position above the cylinder cover; a plurality of telescopic mechanisms are disposed on the upper surface of the cylinder cover in a penetrating mode; barrel stoppers are connected between the multiple telescopic mechanisms correspondingly; thebarrel stoppers are mounted in the cylinder body in a matched mode, and thus the barrel stoppers slide along the inner wall of the cylinder body; and each telescopic mechanism comprises a second pipeand a through hole which is formed in the upper surface of the cylinder cover. The oil cylinder with the good sealing effect is simple in structure and convenient to use, the sealing effect of the oilcylinder is improved, and oil stain on the barrel stoppers and the telescopic mechanisms can be conveniently cleaned up for maintenance.
Description
technical field [0001] The invention relates to the technical field of oil cylinders, in particular to an oil cylinder with good sealing effect. Background technique [0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It has a simple structure and reliable operation. When realizing reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap, and the movement is stable. Therefore, it is used in various It is widely used in mechanical hydraulic systems. The piston of the oil pressure cylinder reciprocates continuously during the working process. It only realizes sealing by setting a sealing ring on the piston and the inner wall of the cylinder barrel. When the piston moves, it drives the sealing ring to move together to make the seal Repeated and continuous friction between the sealing ring and the inner wall of the cylinder barrel, after lo...
Claims
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IPC IPC(8): F15B15/14F15B15/26
CPCF15B15/1438F15B15/26F15B2015/268
Inventor 杨哲
Owner HUANGSHI ZHONGTIAN MACHINERY MFG