Sealing structure and sealing mode of piston cylinder body
A technology of piston cylinder and sealing structure, applied in the direction of fluid pressure actuating device, etc., can solve the problem of low service life, and achieve the effect of prolonging service life, improving sealing performance, and reducing liquid leakage and air leakage.
Active Publication Date: 2022-04-29
SHANGHAI INST OF MEASUREMENT & TESTING TECH
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Problems solved by technology
[0003] The object of the present invention is: in order to solve the problem of the traditional sealing structure of the piston cylinder, as the service life increases, the sealing effect gradually decreases, and the service life is low at the same time, the sealing structure and the sealing method of the proposed piston cylinder
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0036] see Figure 1-7 , the present invention provides a technical solution: the sealing structure of the piston cylinder, including the piston cylinder 1, the mounting slots 104 provided on the outside of both ends of the piston cylinder 1 and the piston rod 4 movably installed on the inside of the piston cylinder 1, the piston cylinder 1 A stepped groove 101 is opened on the inside of the right end of the piston cylinder 1, and a piston seal seat gland 2 is deta...
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The sealing structure comprises the piston cylinder, mounting insertion grooves formed in the outer sides of the two ends of the piston cylinder and a piston rod movably mounted on the inner side of the piston cylinder, a stepped groove is formed in the inner side of the right end of the piston cylinder, and a piston sealing seat gland is detachably mounted on the outer side of the right end of the piston cylinder; a first sealing part is arranged between a stepped groove of the piston cylinder and the piston sealing seat gland, an oil outlet gland is detachably installed on the outer side of the left end of the piston cylinder, a pipe inserting end is integrally formed at the left end of the oil outlet gland, and a second sealing part is arranged between the piston cylinder and the oil outlet gland. According to the invention, the piston cylinder and the piston rod can be subjected to comprehensive sealing treatment, and the problems of liquid leakage and gas leakage in the working process of the piston cylinder are effectively reduced, so that the sealing performance of the piston cylinder body is improved, and the service life of the piston cylinder body is prolonged.
Description
technical field [0001] The invention relates to the technical field of piston cylinders, in particular to a sealing structure of a piston cylinder body and a sealing method thereof. Background technique [0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swing motion). The piston cylinder is one of the structural forms of the hydraulic cylinder, the input is pressure and flow, and the output is thrust and speed. Nowadays, a single sealing ring is mostly installed between the piston cylinder and the piston rod to realize the sealing operation between the piston cylinder and the piston rod, but this structure has disadvantages: first, as the number of times of use of the piston cylinder increases, the piston rod and the piston rod The wear between the sealing rings will increase accordingly, and there will be a movable gap between the piston rod and the piston cylinder, which ...
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Login to View More IPC IPC(8): F15B15/14
CPCF15B15/1442F15B15/1428
Inventor 李海洋李雪菁姚新红詹必亮陈宇阳许骏龙
Owner SHANGHAI INST OF MEASUREMENT & TESTING TECH