Piston with sealing piece
A technology of seals and pistons, which is applied in the field of pistons, can solve the problems of flowing into the upper part of the piston cylinder, polluting the working environment, hydraulic oil loss, etc., and achieves the effects of reducing loss, saving hydraulic energy, and tight sliding fit
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[0015] Such as figure 1 As shown, a piston with a seal of the present invention includes a piston body 1 and a seal 2. Combine Figure 5 , Image 6 As shown, the sealing element 2 is annular, the section of the sealing element 2 is V-shaped, the opening direction of the V-shaped section is inward, and the sealing element 2 is made of elastic wear-resistant material. Combine figure 2 , Figure 4 As shown, the outer circumferential surface of the piston body 1 is provided with an annular groove 3, and the groove bottom of the annular groove 3 protrudes outward. The seal 2 is installed in the annular groove 3. The inner surface of the seal 2 is in contact with the bottom surface of the annular groove 3. The upper or lower end of the piston body 1 is provided with a first oil hole 4, the first oil hole 4 is located at the center of the lower end surface of the piston body 1. Combine image 3 As shown, four second oil holes 5 are opened in the middle of the bottom surface of the ...
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