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CN-224229104-U - Super wear-resisting shaft sleeve structure of adjustable pretightning force

CN224229104UCN 224229104 UCN224229104 UCN 224229104UCN-224229104-U

Abstract

The utility model relates to the technical field of shaft sleeves and discloses a super wear-resistant shaft sleeve structure with adjustable pretightening force, which comprises a shaft sleeve body, wherein a baffle is arranged outside the shaft sleeve body, an inner shaft is arranged outside the shaft sleeve body, the baffle is arranged outside the inner shaft, a separation plate is fixedly connected to the inner shaft, an outer shaft is fixedly connected to the outer part of the separation plate, a ball is arranged inside the inner shaft and the outer shaft, a rotating ring is connected to the outer thread of the shaft sleeve body, a locking device is arranged inside the shaft sleeve body, the outer part of the locking device is arranged inside the rotating ring, and the locking device comprises a threaded rod, a supporting plate and a rotating button. According to the utility model, the rotary button is rotated to drive the supporting plate to rotate, so that the purpose of locking the shaft sleeve body and the inner shaft is finally realized, the locking structure can eliminate the fit clearance between the shaft sleeve and the shaft, and vibration or shaking under impact is reduced.

Inventors

  • YU QINGPING
  • LI LIANGLONG

Assignees

  • 徐州互久机械制造有限公司

Dates

Publication Date
20260512
Application Date
20250822

Claims (8)

  1. 1. The utility model provides an adjustable pretightning force's super wear-resisting axle sleeve structure, includes axle sleeve body (1), its characterized in that, the outside of axle sleeve body (1) is provided with baffle (2), the outside of axle sleeve body (1) is provided with interior axle (3), the outside of baffle (2) sets up the outside in interior axle (3), the inside fixedly connected with division board (4) of interior axle (3), the outside fixedly connected with outer axle (5) of division board (4), the inside of interior axle (3) and outer axle (5) is provided with ball (6), the outside threaded connection of axle sleeve body (1) has rotation ring (7), the inside of axle sleeve body (1) is provided with locking device (8), the outside of locking device (8) sets up the inside in rotation ring (7).
  2. 2. The ultra-wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 1, wherein the locking device (8) comprises a threaded rod (801), a supporting plate (802) and a rotating button (803), the threaded rod (801) is externally connected with the inside of the shaft sleeve body (1) in a threaded manner, one end of the threaded rod (801) is fixedly connected with the supporting plate (802), and one end of the supporting plate (802) is fixedly connected with the rotating button (803).
  3. 3. The ultra-wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 1, wherein the locking device (8) further comprises a supporting shell (804), a first spring (805), a sliding column (806) and a sliding rod (807), wherein the outer part of the supporting shell (804) is fixedly connected to the inner part of the shaft sleeve body (1), the first spring (805) is arranged in the supporting shell (804), the sliding column (806) is arranged at one end of the first spring (805), and the sliding rod (807) is connected to the inner part of the sliding column (806) in a sliding mode.
  4. 4. The ultra-wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 2, wherein the outer thread of the threaded rod (801) is connected inside the rotating ring (7), and the outer part of the supporting plate (802) is connected inside the rotating ring (7) in a rotating way.
  5. 5. The ultra-wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 3, wherein the sliding column (806) and the outer part of the sliding rod (807) are slidably connected inside the supporting housing (804), the sliding column (806) and the outer part of the sliding rod (807) are slidably connected inside the shaft sleeve body (1), and one end of the sliding column (806) is arranged inside the rotating ring (7).
  6. 6. The super wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 1, wherein a sliding assembly (9) is arranged in the shaft sleeve body (1), a storage groove (10) is formed in the shaft sleeve body (1), and the sliding assembly (9) is arranged in the storage groove (10).
  7. 7. The ultra-wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 6, wherein the sliding assembly (9) comprises a pressing button (901), the outer part of the pressing button (901) is slidably connected to the inner part of the shaft sleeve body (1), one end of the pressing button (901) is provided with a second spring (902), the other end of the pressing button (901) is fixedly connected with a sliding frame (903), and one end of the sliding frame (903) is fixedly connected with a sliding plate (904).
  8. 8. The ultra-wear-resistant shaft sleeve structure with adjustable pretightening force according to claim 7, wherein one end of the second spring (902) is arranged inside the shaft sleeve body (1), and the outer parts of the sliding frame (903) and the sliding plate (904) are slidably connected inside the shaft sleeve body (1) and the storage groove (10).

Description

Super wear-resisting shaft sleeve structure of adjustable pretightning force Technical Field The utility model relates to the technical field of shaft sleeves, in particular to a super wear-resistant shaft sleeve structure with adjustable pretightening force. Background The shaft sleeve is an annular part sleeved on the shaft or arranged in the seat hole, the core functions are that the shaft is supported, friction and abrasion are reduced, the positioning and load transmission are realized, the key of the structure is that the sliding lining material and the lubrication are designed, the adjustable pretightening force is mainly applied to a rolling bearing (particularly an angular contact ball bearing or a tapered roller bearing used in pairs), and the axial load inside the bearing is actively set or adjusted through a mechanical structure (such as an adjusting nut matched with a precise spacer or an adjusting gasket) in the installation or use process. The existing shaft sleeve structure realizes multiple functions through combination of material characteristics and structural design, but because the shaft sleeve is difficult to lock, the clearance between the outer wall of the shaft sleeve and the inner wall of the mounting seat is increased, so that the shaft sleeve is wholly rocked or deviated. Disclosure of utility model In order to make up for the defects, the utility model provides an ultra-wear-resistant shaft sleeve structure with adjustable pretightening force, which aims to improve the existing shaft sleeve structure and solves the problem that the whole shaft sleeve shakes or deviates due to the fact that the shaft sleeve is difficult to lock. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides an adjustable pretightning force's super wear-resisting axle sleeve structure, includes the axle sleeve body, the outside of axle sleeve body is provided with the baffle, the outside of axle sleeve body is provided with interior axle, the outside of baffle sets up the outside in interior axle, the inside fixedly connected with division board of interior axle, the outside fixedly connected with outer axle of division board, the inside of interior axle and outer axle is provided with the ball, the outside threaded connection of axle sleeve body has the swivel becket, the inside of axle sleeve body is provided with locking device, locking device's outside sets up the inside at the swivel becket. According to the technical scheme, the shaft sleeve body is used as the core supporting component, the external baffle plate is matched with the inner shaft, the limit can be formed on the relative positions of the shaft sleeve body and the inner shaft, the displacement of the shaft sleeve body and the inner shaft in the axial direction is reduced, the stability of structural connection is enhanced, the rotating ring is in threaded connection with the shaft sleeve body, the position of the rotating ring on the shaft sleeve body is adjusted through rotation, secondary fastening is realized through matching with the locking device, and the shaft sleeve is convenient to adjust according to use requirements. Preferably, the locking device comprises a threaded rod, a supporting plate and a rotating button, wherein the external thread of the threaded rod is connected with the inside of the shaft sleeve body, one end of the threaded rod is fixedly connected with the supporting plate, and one end of the supporting plate is fixedly connected with the rotating button. Preferably, the locking device further comprises a support shell, a first spring, a sliding column and a sliding rod, wherein the outer portion of the support shell is fixedly connected to the inner portion of the shaft sleeve body, the first spring is arranged in the support shell, one end of the first spring is provided with the sliding column, and the sliding rod is connected to the inner portion of the sliding column in a sliding mode. Preferably, the outer thread of the threaded rod is connected to the inside of the rotating ring, and the outer part of the supporting plate is rotatably connected to the inside of the rotating ring. Preferably, the sliding column is slidably connected with the outside of the sliding rod in the supporting housing, the sliding column is slidably connected with the outside of the sliding rod in the shaft sleeve body, and one end of the sliding column is arranged in the rotating ring. Preferably, the inside of axle sleeve body is provided with the slip subassembly, the holding tank has been seted up to the inside of axle sleeve body, the outside of slip subassembly sets up the inside at the holding tank. Preferably, the sliding assembly comprises a pressing button, the outer part of the pressing button is slidably connected in the shaft sleeve body, a second spring is arranged at one end of the pressing button, a sliding frame is fixedly connected