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CN-224214695-U - Combined oil seal

CN224214695UCN 224214695 UCN224214695 UCN 224214695UCN-224214695-U

Abstract

The utility model belongs to the technical field of oil seals, and particularly relates to a combined oil seal, which comprises a transmission shaft, wherein a wear-resistant clamping plate is arranged on the outer side of the transmission shaft, one end of the wear-resistant clamping plate is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly provided with a contact block, the outer side of the contact block is provided with an outer sealing ring, the inner side of the outer sealing ring is provided with a rubber inner sealing ring, an operator can control the pressure of a contact ball and an O-shaped ring on the contact block through the cooperation of an adjusting handle 17, the guide post I and a spring I, so that the oil seal is suitable for sealing requirements under different working conditions, and meanwhile, when a dustproof shell is damaged, the operator can slide out of the dustproof shell easily by utilizing the cooperation of the adjusting handle I and the spring I, so that the dustproof shell is not required to be replaced independently, the equipment downtime is effectively reduced, and the practicability of the oil seal and the running efficiency of equipment are improved.

Inventors

  • YAN JIN
  • Shu Yuanhai

Assignees

  • 重庆全城油封有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (8)

  1. 1. The combined oil seal is characterized by comprising a transmission shaft (1), wherein a wear-resistant clamping plate (12) is arranged on the outer side of the transmission shaft (1), one end of the wear-resistant clamping plate (12) is fixedly connected with a telescopic rod (10), one end of the telescopic rod (10) is fixedly provided with a contact block (9), the outer side of the contact block (9) is provided with an outer sealing ring (13), the inner side of the outer sealing ring (13) is provided with a rubber inner sealing ring (14), the outer side of the contact block (9) is provided with an O-shaped ring (7), a contact ball (6) is arranged on the outer side of the O-shaped ring (7), the outer side of the contact ball (6) is provided with a dustproof shell (2), an oil seal shell (3) is arranged on the outer side of the dustproof shell (2), one end of the guide post (5) is fixedly connected with a contact ball (6), and the other end of the guide post (5) is fixedly provided with an adjusting handle (17).
  2. 2. The combined oil seal according to claim 1, wherein a first spring (4) is arranged on the outer side of the first guide post (5), one end of the first spring (4) is fixedly connected to the outer side of the contact ball (6), the other end of the first spring (4) is fixedly connected to the inner wall of the oil seal shell (3), an adjusting handle (17) is fixedly arranged at one end of the first guide post (5), and anti-skidding patterns are arranged on the outer side of the adjusting handle (17).
  3. 3. The combined oil seal is characterized in that a movable cavity (8) is formed in the outer sealing ring (13), a contact block (9) is movably mounted in the movable cavity (8), an O-shaped ring (7) is arranged at one end of the contact block (9), a groove is formed in the outer side of the outer sealing ring (13), the inner diameter of the O-shaped ring (7) is smaller than the diameter of the groove, a telescopic rod (10) is fixedly mounted at one end of the contact block (9), a compression spring (11) is arranged at the outer side of the telescopic rod (10), one end of the compression spring (11) is fixedly mounted on the inner wall of the rubber inner sealing ring (14), and the other end of the compression spring (11) is fixedly mounted at one end of the contact block (9).
  4. 4. The combined oil seal according to claim 1, wherein a ball hole is formed in the dustproof shell (2), and the diameter of the contact ball (6) is smaller than the radius of the ball hole.
  5. 5. The combined oil seal according to claim 1, wherein a placing groove is formed in the inner wall of the oil seal shell (3), and the size of the placing groove is the same as the diameter of the contact ball (6).
  6. 6. A combination oil seal according to claim 1, wherein two groups of the wear-resistant clamping plates (12) are arranged, and the two groups of the wear-resistant clamping plates (12) are symmetrically arranged along the central axis of the transmission shaft (1).
  7. 7. The combined oil seal according to claim 1, wherein a plurality of groups of guide grooves (15) are formed in two side walls of the outer sealing ring (13), a plurality of groups of guide blocks (16) are formed in the upper end surface and the lower end surface of the rubber inner sealing ring (14), and the plurality of groups of guide grooves (15) are located in the guide blocks (16).
  8. 8. The combined oil seal according to claim 7, wherein the rubber inner sealing ring (14) and the outer sealing ring (13) are both annular, and the guide groove (15) is sleeved in the outer sealing ring (13).

Description

Combined oil seal Technical Field The utility model belongs to the technical field of oil seals, and particularly relates to a combined oil seal. Background In many industrial fields, such as automotive manufacturing, aerospace, hydraulic systems, and various types of rotating machinery, the stable operation of mechanical equipment is highly dependent on effective seals, oil seals are the usual name for common seals, simply lubricating oil seals, which are the most common liquid materials in transmission systems, and also generally refer to the mechanical elements in the sense of common liquid materials. The existing combined oil seal is inconvenient to combine when in use, the dust-proof piece outside the oil seal cannot be replaced quickly, when the combined oil seal is used for a long time, the abrasion of the dust-proof piece is seriously reduced, the use of the oil seal is affected, and the oil seal needs to be replaced integrally, so that the practicability is poor. To this end, the utility model provides a combination oil seal. Disclosure of utility model In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved. The combined oil seal comprises a transmission shaft, wherein a wear-resistant clamping plate is arranged on the outer side of the transmission shaft, one end of the wear-resistant clamping plate is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly provided with a contact block, an outer sealing ring is arranged on the outer side of the contact block, a rubber inner sealing ring is arranged on the inner side of the outer sealing ring, an O-shaped ring is arranged on the outer side of the contact block, a contact ball is arranged on the outer side of the O-shaped ring, a dustproof shell is arranged on the outer side of the contact ball, an oil seal shell is arranged on the outer side of the dustproof shell, a guide post I is arranged in the oil seal shell in a sliding mode, one end of the guide post I is fixedly connected with the contact ball, and an adjusting handle is fixedly arranged at the other end of the guide post I. Preferably, the outside of guide post one is provided with spring one, the one end fixed connection of spring one is in the outside of contact ball, the other end fixed connection of spring one is on the inner wall of oil blanket shell, the one end fixed mounting of guide post one has the regulation handle, the outside of regulation handle is provided with the anti-skidding line. Preferably, the movable chamber has been seted up to the inside of outer sealing washer, the inside movable mounting of movable chamber has the contact block, the one end of contact block is provided with the O type circle, the slot has been seted up in the outside of outer sealing washer, the internal diameter of O type circle is less than the diameter of slot, the one end fixed mounting of contact block has the telescopic link, the outside of telescopic link is provided with hold-down spring, hold-down spring's one end fixed mounting is on the inner wall of rubber inner seal circle, hold-down spring's the other end fixed mounting is in the one end of contact block. Preferably, a ball hole is formed in the dustproof shell, and the diameter of the contact ball is smaller than the radius of the ball hole. Preferably, a placing groove is formed in the inner wall of the oil seal shell, and the size of the placing groove is the same as the diameter of the contact ball. Preferably, the wear-resisting clamping plates are provided with two groups, and the two groups of wear-resisting clamping plates are symmetrically arranged along the central axis of the transmission shaft. Preferably, the both sides wall of outer sealing washer all is provided with multiunit guide way, multiunit guide block has all been seted up to the upper and lower both ends surface of rubber inner seal ring, multiunit the guide way is located multiunit the inside of guide block. Preferably, the rubber inner sealing ring and the outer sealing ring are both annular, and the guide groove is sleeved in the outer sealing ring. The beneficial effects of the utility model are as follows: 1. According to the combined oil seal, an operator can control the pressure of the contact ball and the O-shaped ring to the contact block through adjusting the cooperation of the handle, the first guide post and the first spring, so that the oil seal is suitable for sealing requirements under different working conditions, meanwhile, when the dustproof shell is damaged, the operator can easily slide out the contact ball from the inside of the dustproof shell through adjusting the handle by utilizing the cooperation of the first guide post and the first spring, and further the dustproof shell is conveniently and independently replaced without replacing the whole oil seal device, the equipment downtime is effectively reduced, and the practicability of the