CN204357824U - A kind of band X sealing configuration oil cylinder - Google Patents

Abstract

The utility model discloses an oil cylinder with an X-sealed structure, which comprises a cylinder body (2), a piston rod (1), a sealing ring, an end cover seat and an end cover, and is characterized in that the sealing ring (5) is an X-shaped structure, The inner double lip of the lip of the X-shaped sealing ring is in close contact with the outer circle of the piston rod (1), one end face of the X-shaped sealing ring is in close contact with the end cap seat (3), and the other end face is in close contact with the end cap (4). )superior. The oil cylinder with X seal structure has better performance and long service life, which can greatly extend the service life of the oil cylinder.

Description

An oil cylinder with X seal structure

technical field

The utility model relates to a hydraulic oil cylinder component, in particular to an oil cylinder with an X sealing structure.

Background technique

The cylinder is an important part of the hydraulic system. The hydraulic oil pushes the piston to move axially to implement the movement of the hinge mechanism, such as advancing and retreating. Since the hydraulic cylinder reciprocates for a long time, the frequency of use is very high, which can easily lead to serious wear of the piston rod and sealing ring. When the piston rod is worn to a certain extent, There will be oil leakage, causing the entire hydraulic part to fail to work, and the entire hydraulic part can only be scrapped. Because the existing oil cylinder sealing ring has no compensation sealing function, the service life of the entire hydraulic part is relatively short, especially in harsh working conditions. It is necessary to repair the hydraulic cylinder for remedial measures.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide an oil cylinder with compensation sealing function, improved service life of hydraulic parts, and X sealing structure. The purpose of this utility model is achieved through the following technical solutions: the utility model includes an oil cylinder, a piston rod, a sealing ring, an end cover seat and an end cover, and is characterized in that: the sealing ring is an X-shaped structure, and the inner side of the lip of the X-shaped sealing ring The double lips are in close contact with the outer circle of the piston rod, one end face of the X-shaped sealing ring is in close contact with the end cap seat, and the other end face is in close contact with the end cap.

The utility model adopts X structure. After installation, the lower part of the inner lip of the X-shaped sealing ring is close to the outer circle of the piston rod. The sealing performance is good, and the grease will not flow out. The axial surface of the X-shaped sealing ring is pressed by the end cover seat and the end cover. After the end face is pressed tightly, the inner lip of the X-shaped sealing ring is pressed against the piston rod after being stressed, so that the inner lip of the X-shaped sealing ring is always close to the piston rod regardless of whether the diameter of the piston rod becomes smaller, and no oil leakage will occur. The oil cylinder with X-seal structure of the utility model has good sealing performance. Although the piston rod is worn, after the X-shaped sealing ring is subjected to axial force, the inner lip (double lips) of the lip is close to the piston rod to prevent hydraulic oil from leaking. Compared with the prior art, the oil cylinder with X seal structure has better performance, stronger sealing compensation function, long service life, and can greatly prolong the service life of the hydraulic oil cylinder. From the foregoing, it can be seen that the purpose of this utility model can be achieved.

Description of drawings

Fig. 1 is a schematic diagram of the structure and installation position of the utility model.

Detailed ways

As shown in Figure 1, the utility model includes a cylinder body (2), a piston rod (1), a sealing ring, an end cover seat and an end cover, and is characterized in that the sealing ring (5) is an X-shaped structure, and the X-shaped sealing ring The inner double lip of the lip is in close contact with the outer circle of the piston rod (1), one end face of the X-shaped sealing ring is in close contact with the end cover seat (3), and the other end face is in close contact with the end cover (4).

Claims (1)

1. a band X sealing configuration oil cylinder, comprise cylinder body (2), piston rod (1), seal ring, end cap seat and end cap, it is characterized in that: seal ring (5) is X-shaped structure, inside X-shaped seal ring lip limit, lips limit and piston rod (1) cylindrical are close to, X-shaped sealing ring one side end face is close on end cap seat (3), and opposite side end face is close on end cap (4).