Piston sealing part
A technology of piston seals and seals, which is applied in the direction of piston rings, engine components, mechanical equipment, etc., can solve the problems of easy extrusion of the outer ring and loss of sealing, etc., and achieve simple structure, increased stability, and large extrusion gap Effect
Inactive Publication Date: 2013-03-06
优泰科(苏州)密封技术有限公司
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0002] The piston seal in the prior art only has an inner ring and an outer ring arranged on the inner ring on the base of the seal. Therefore, when the cylinder body clearance is relatively large, the outer ring is easy to move when the cylinder body moves relatively. is squeezed out, thus losing the sealing effect
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[0011] The present invention will be described in detail below through specific examples.
[0012] see figure 1 , a piston seal, comprising a seal base 1, an inner ring 2 arranged on the seal base 1, and an outer ring 3 arranged on the upper part of the inner ring 2, the outer ring 3 has a concave Groove, a retaining ring 31 is arranged in the groove, and the outside of the outer ring 3 is the side that receives force in the opposite direction.
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The invention discloses a piston sealing part. The piston sealing part comprises a sealing part base, an inner ring and an outer ring, the inner ring is arranged on the sealing part base, the outer ring is arranged on the upper portion of the inner ring, a groove is arranged on the outer side of the outer ring, and a check ring is arranged in the groove. The piston sealing part is simple in structure and higher in stability, and is adaptive to larger squeezing clearance of a cylinder block as the outer ring can bear higher force.
Description
technical field [0001] The invention relates to the field of rubber and plastic seals, in particular to a piston seal. Background technique [0002] The piston seal in the prior art only has an inner ring and an outer ring arranged on the inner ring on the base of the seal. Therefore, when the cylinder body clearance is relatively large, the outer ring is easy to move when the cylinder body moves relatively. Being squeezed out, thus losing the sealing effect. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides a sealing ring with good sealing performance. [0004] To achieve the above object, the present invention adopts the following technical solutions: [0005] A piston seal, comprising a base of the seal, an inner ring arranged on the base of the seal, and an outer ring arranged on the upper part of the inner ring, the outside of the outer ring is provided with a groove, and a groove is arranged in the groove retain...
Claims
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IPC IPC(8): F16J9/00
Inventor 彭德
Owner 优泰科(苏州)密封技术有限公司