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CN-224214682-U - Double-layer abrasion-resistant sealing ring

CN224214682UCN 224214682 UCN224214682 UCN 224214682UCN-224214682-U

Abstract

The utility model relates to the technical field of sealing rings, in particular to a double-layer anti-wear sealing ring which comprises a sealing ring, wherein an inner ring is arranged in the middle of the inner wall surface of the sealing ring, an outer ring is symmetrically arranged on the outer wall surface of the sealing ring, an anti-wear rubber sleeve is arranged on the outer wall of the sealing ring, an annular groove is formed in the middle of the inner wall and the outer wall of the sealing ring, a rib belt for strengthening toughness is arranged in the annular groove, annular grooves are formed in the middle of the outer ring, reinforcing ribs are arranged in the annular grooves, the double-layer anti-wear sealing ring is provided with the sealing ring with the inner ring and the two outer rings, double-layer sealing fit is achieved, the anti-wear rubber sleeve is sleeved on the sealing ring, a clamping groove is tightly attached to the sealing ring for wrapping and protecting the sealing ring, abrasion consumption influence caused by external contact with the sealing ring is reduced, the reinforcing ribs are arranged in the outer ring, the toughness of the outer ring is increased, the rib belt and the sealing ring are in inserted fit, the whole tensile toughness is further increased, deformation breakage is reduced, and continuous long-time use is influenced.

Inventors

  • XING ZHIHUAI

Assignees

  • 河北天润橡塑制品有限公司

Dates

Publication Date
20260508
Application Date
20250627

Claims (7)

  1. 1. The double-layer wear-resistant sealing ring comprises a sealing ring (1) and is characterized in that an inner ring (10) is arranged in the middle of the inner wall surface of the sealing ring (1), an outer ring (11) is symmetrically arranged on the outer wall surface of the sealing ring (1), a wear-resistant rubber sleeve (2) is arranged on the outer wall of the sealing ring (1), an annular groove (14) is formed in the middle area of the inner wall and the outer wall of the sealing ring (1), a rib band (140) for reinforcing toughness is arranged in the annular groove (14), annular grooves (110) are formed in the middle of the outer ring (11), and reinforcing ribs (111) are arranged in the annular grooves (110); The middle part of the outer wall of the sealing ring (1) is provided with a connecting groove (12), a buffer collar (13) is arranged in the connecting groove (12), and a hollow area between the inner wall and the outer wall of the buffer collar (13) is an interlayer (130).
  2. 2. The double-layer wear-resistant sealing ring of claim 1, wherein the inner wall of the wear-resistant rubber sleeve (2) is provided with a clamping groove (20), and the width of the inner wall of the clamping groove (20) is matched with the width of the outer wall of the sealing ring (1).
  3. 3. The double-layer wear-resistant sealing ring of claim 1, wherein the outer wall of the wear-resistant rubber sleeve (2) is provided with convex rings (21) at positions corresponding to the outer ring (11), the convex rings (21) and the wear-resistant rubber sleeve (2) are of an integrated structure, and the width of the inner wall of the convex rings (21) is matched with that of the outer wall of the outer ring (11).
  4. 4. The double-layer wear-resistant sealing ring as set forth in claim 1, wherein the width of the edge end of the clamping groove (20) on the inner wall surface of the wear-resistant rubber sleeve (2) is matched with the width of the outer wall of the inner ring (10).
  5. 5. The double-layer wear-resistant sealing ring according to claim 1, wherein the inner wall surface of the inner ring (10) is tightly adhered and fixed with the inner wall surface of the sealing ring (1), and the inner wall surface of the outer ring (11) is tightly adhered and fixed with the outer wall surface of the sealing ring (1).
  6. 6. The double-layer wear-resistant sealing ring as claimed in claim 1, wherein the inner diameter of the circular ring groove (110) is matched with the outer diameter of the reinforcing rib (111), and the reinforcing rib (111) is adhered and fixed with the outer ring (11).
  7. 7. The double-layer wear-resistant sealing ring as set forth in claim 1, wherein the width of the inner wall of the annular groove (14) is adapted to the width of the outer wall of the rib band (140), and the rib band (140) is adhered and fixed to the annular groove (14).

Description

Double-layer abrasion-resistant sealing ring Technical Field The utility model relates to the technical field of sealing rings, in particular to a double-layer wear-resistant sealing ring. Background The sealing ring is a key element for blocking a fluid leakage path in industrial equipment, and has the characteristics of corrosion resistance, tearing resistance, compression deformation resistance, ozone resistance, sunlight resistance and the like; The utility model of CN219549588U discloses a double-layer reinforced sealing ring, which comprises a mounting ring, wherein an inner fixing ring is arranged in the mounting ring, a mounting groove is formed in the outer surface of the mounting ring, an outer fixing ring is arranged in the mounting groove, a buffer groove is formed in the inner wall of the mounting groove, and an elastic ring is arranged in the buffer groove; According to the technical scheme, the outer fixing ring can be installed by utilizing the cooperation of the installation ring and the installation groove, so that workers can replace and maintain the outer fixing ring, the sealing ring can be used stably and reliably, the whole replacement of the sealing ring is avoided, the use cost of the sealing ring is reduced, the elastic ring can be installed in the buffer groove through the buffer groove, the pressure can be continuously applied to the outer fixing ring by utilizing the elastic force provided by the elastic ring, the outer fixing ring is pushed to be in close contact with the inner wall of an assembled workpiece, the sealing performance is further improved, the sealing ring is installed and used for a long time, the abrasion consumption is caused by the contact of the outer wall surface and the outside, the sealing effect is reduced, the sealing ring is small in toughness, long-time extrusion or pulling is realized, and the continuous sealing cooperation is influenced by fracture damage. Disclosure of utility model The present utility model is directed to a double-layer anti-wear seal ring, which solves the above-mentioned problems in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The double-layer anti-wear sealing ring comprises a sealing ring, wherein an inner ring is arranged in the middle of the inner wall surface of the sealing ring, an outer ring is symmetrically arranged on the outer wall surface of the sealing ring, an anti-wear rubber sleeve is arranged on the outer wall of the sealing ring, an annular groove is formed in the middle area between the inner wall and the outer wall of the sealing ring, a rib belt for reinforcing toughness is arranged in the annular groove, annular grooves are formed in the middle of the outer ring, and reinforcing ribs are arranged in the annular grooves; The middle part of the outer wall of the sealing ring is provided with a connecting groove, a buffer collar is arranged in the connecting groove, and a hollow area between the inner wall and the outer wall of the buffer collar is an interlayer. Further, a clamping groove is formed in the inner wall of the wear-resistant rubber sleeve, and the width of the inner wall of the clamping groove is matched with the width of the outer wall of the sealing ring. According to the utility model, the wear-resistant rubber sleeve is made of polytetrafluoroethylene, and the clamping groove wraps the sealing ring, so that the outer ring of the sealing ring is protected, the wear resistance is improved, and the service life of the sealing ring is prolonged. Specifically, the outer wall of the wear-resistant rubber sleeve is provided with a convex ring at the position corresponding to the outer ring, the convex ring and the wear-resistant rubber sleeve are of an integrated structure, and the inner wall of the convex ring is matched with the outer wall of the outer ring in width. According to the utility model, the outer ring on the outer wall of the sealing ring is wrapped and attached under the cooperation of the convex rings, so that the overall attractive degree is increased, and meanwhile, double-layer sealing and attaching are realized through cooperation. The width of the edge end part of the clamping groove on the inner wall surface of the wear-resistant rubber sleeve is matched with the width of the outer wall of the inner ring. According to the utility model, the distance between the ports on the inner wall surface of the wear-resistant rubber sleeve and the inner ring are tightly attached, so that the wear-resistant rubber sleeve is attached to the sealing ring, the compactness of the combination is improved, and the overall attractiveness is increased. Furthermore, the inner wall surface of the inner ring is tightly adhered and fixed with the inner wall surface of the sealing ring, and the inner wall surface of the outer ring is tightly adhered and fixed with the outer wall surface of the sealing ring. According to the uti