Piston sealing ring of hydraulic motor
A technology of hydraulic motor and sealing ring, applied in the field of hydraulic motor, can solve the problems of poor sealing effect of the sealing ring, etc., and achieve the effects of good sealing, convenient realization and stable structure
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[0011] Refer to figure 1 , The present invention provides a hydraulic motor piston sealing ring, comprising: an O-ring 1 and a sealing ring 2. The inner side of the sealing ring 2 is provided with an arc-shaped groove 3 that matches with the O-ring 1. The sealing The outer side of the ring 2 is provided with an arc-shaped oil storage groove 4, and the sealing ring 2 forms arc-shaped protrusions 5 on both sides of the arc-shaped oil storage groove 4, and the arc-shaped protrusions 5 are in contact with the outer cylinder inner wall.
[0012] The piston sealing ring of the hydraulic motor of this embodiment is composed of an O-ring and a sealing ring. Lubricating oil can be placed in the arc-shaped oil storage tank, which can effectively reduce the working temperature and has a good noise reduction effect. It is in contact with the outer cylinder inner wall through the arc-shaped protrusion , Good sealing, stable overall structure, easy to realize.
[0013] The above are only the pr...
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