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CN-121976969-A - Taper sleeve type impeller mounting shaft disc, impeller and fan comprising taper sleeve type impeller mounting shaft disc

CN121976969ACN 121976969 ACN121976969 ACN 121976969ACN-121976969-A

Abstract

The invention discloses a taper sleeve type impeller mounting shaft disc, an impeller and a fan comprising the same, and relates to the technical field of ventilation equipment, wherein the mounting shaft disc comprises a shaft disc main body and a taper sleeve; the shaft disc main body is provided with a central through hole and a mounting part for mounting the impeller, the taper sleeve is sleeved in the central through hole of the shaft disc main body, an inner hole of the taper sleeve is a through hole for penetrating a fan shaft or a motor shaft, the outer wall of the taper sleeve is in taper fit with the inner wall of the central through hole of the shaft disc main body, at least one group of fit holes are correspondingly formed in the shaft disc main body and the taper sleeve, each group of fit holes comprise two half holes respectively positioned on the shaft disc main body and the taper sleeve, and when the shaft disc main body is aligned with the taper sleeve, the two half holes are aligned to form a complete mounting hole or a dismounting hole. The invention divides the axle disc into the axle disc main body and the taper sleeve, so that the axle disc main body can realize standardized batch production, and the axle disc can adapt to various axle diameters by only changing taper sleeves with different inner diameters, thereby greatly improving the universality of parts and reducing the production cost and the stock pressure.

Inventors

  • Lv junda

Assignees

  • 江苏施依洛通风设备有限公司

Dates

Publication Date
20260505
Application Date
20260228

Claims (10)

  1. 1. A taper sleeve type impeller mounting shaft disc is characterized by comprising a shaft disc main body and a taper sleeve, wherein the shaft disc main body is provided with a central through hole and a mounting part for mounting an impeller, the taper sleeve is sleeved in the central through hole of the shaft disc main body, an inner hole of the taper sleeve is a through hole for penetrating a fan shaft or a motor shaft, the outer wall of the taper sleeve is in taper fit with the inner wall of the central through hole of the shaft disc main body, at least one group of matching holes are correspondingly formed in the shaft disc main body and the taper sleeve, each group of matching holes comprises two half holes respectively positioned on the shaft disc main body and the taper sleeve, and when the shaft disc main body is aligned with the taper sleeve, the two half holes are aligned to form a complete mounting hole or a dismounting hole.
  2. 2. The taper sleeve type impeller mounting shaft disc of claim 1, wherein the matching holes comprise two groups of mounting holes and one group of dismounting holes, the two groups of mounting holes are symmetrically arranged, the dismounting holes are positioned between the two groups of mounting holes, in each group of mounting holes, half holes positioned on the taper sleeve are smooth surface holes, half holes positioned on the shaft disc main body are threaded holes, in the dismounting holes, half holes positioned on the taper sleeve are threaded holes, and half holes positioned on the shaft disc main body are smooth surface holes.
  3. 3. The taper sleeve type impeller mounting shaft disc is characterized in that the light surface hole is a blind hole, the threaded hole is a through hole, the opening end of the blind hole is located at the end with the larger diameter of the taper sleeve, the mounting hole is used for screwing in a set screw, the screw abuts against the bottom of the light surface hole to achieve axial compression of the shaft disc main body and the taper sleeve, and the dismounting hole is used for screwing in a dismounting screw, and screwing in the screw to push the taper sleeve to be separated from the shaft disc main body.
  4. 4. The cone sleeve type impeller mounting shaft disk of claim 1, wherein the cone sleeve is provided with a through groove along the axial direction, so that the cone sleeve has radial elasticity.
  5. 5. The cone sleeve type impeller mounting shaft disc of claim 1, wherein the mounting portion of the shaft disc main body is a plurality of blade mounting lugs distributed along the circumferential direction and used for fixing the impeller.
  6. 6. An impeller comprising the cone sleeve type impeller mounting shaft disk as claimed in any one of claims 1 to 5, and an impeller mounted on the mounting shaft disk.
  7. 7. The impeller of claim 6, wherein the impeller is secured to the mounting portion of the hub body by fasteners or welding.
  8. 8. A fan is characterized by comprising a motor, a fan shaft and the impeller of claim 6 or 7, wherein the fan shaft is connected with an output shaft of the motor, and the impeller is sleeved and fixed on the fan shaft through an inner hole of a taper sleeve of the impeller.
  9. 9. The fan according to claim 8, further comprising a tool for elastically expanding the cone sleeve to facilitate disassembly and assembly, wherein the tool head is flat and can be inserted into the through groove of the cone sleeve.
  10. 10. The fan as set forth in claim 8, wherein the fan shaft is an optical axis, and the impeller is mountable at any position along the axial direction of the fan shaft.

Description

Taper sleeve type impeller mounting shaft disc, impeller and fan comprising taper sleeve type impeller mounting shaft disc Technical Field The invention relates to the technical field of ventilation equipment, in particular to a taper sleeve type impeller mounting shaft disc, an impeller and a fan comprising the same. Background At present, the impeller is generally installed by adopting an integrated shaft disc structure, namely, the shaft disc and the shaft sleeve part are integrally cast or welded. The structure has obvious defects in practical assembly that the impeller needs to penetrate from the shaft end and push to the middle mounting position of the shaft, and as the shaft hole of the shaft disc and the fan shaft are generally in transition fit, abnormal sound and abrasion are easily generated due to micro-motion when the fan is started and stopped if the fit is too loose, the assembly is difficult, and particularly for a long optical axis, the assembly and the disassembly are very inconvenient. In addition, the integral type axle dish needs to be to different specifications of different diameters design, leads to the part commonality poor, stock variety is various, and manufacturing cost increases. Therefore, there is a need in the art for an impeller mounting hub structure that can accommodate different shaft diameters, is reliable in connection, and facilitates standardized production. Disclosure of Invention The invention aims to provide a taper sleeve type impeller mounting shaft disc, an impeller and a fan comprising the same, so that the problems in the prior art are solved, and the taper sleeve type impeller mounting shaft disc can adapt to different shaft diameters, is reliable in connection and is convenient for standardized production. In order to achieve the above object, the present invention provides the following solutions: The taper sleeve type impeller mounting shaft disc comprises a shaft disc main body and a taper sleeve, wherein the shaft disc main body is provided with a central through hole and a mounting part for mounting an impeller, the taper sleeve is sleeved in the central through hole of the shaft disc main body, an inner hole of the taper sleeve is a through hole for penetrating a fan shaft or a motor shaft, the outer wall of the taper sleeve is in taper fit with the inner wall of the central through hole of the shaft disc main body, at least one group of matching holes are correspondingly formed in the shaft disc main body and the taper sleeve, each group of matching holes comprise two half holes respectively positioned on the shaft disc main body and the taper sleeve, and when the shaft disc main body is aligned with the taper sleeve, the two half holes are aligned to form a complete mounting hole or a dismounting hole. In an exemplary embodiment, the matching holes comprise two groups of mounting holes and one group of dismounting holes, the two groups of mounting holes are symmetrically arranged, the dismounting holes are positioned between the two groups of mounting holes, in each group of mounting holes, half holes positioned on the taper sleeve are smooth surface holes, half holes positioned on the shaft disc main body are threaded holes, in the dismounting holes, half holes positioned on the taper sleeve are threaded holes, and half holes positioned on the shaft disc main body are smooth surface holes. In an exemplary embodiment, the light surface hole is a blind hole, the threaded hole is a through hole, the opening end of the blind hole is located at one end with a larger diameter of the taper sleeve, the mounting hole is used for screwing in a set screw, the screw abuts against the bottom of the light surface hole to achieve axial compression of the shaft disc main body and the taper sleeve, and the dismounting hole is used for screwing in and dismounting the screw, and screwing in and pushing the taper sleeve to be separated from the shaft disc main body. In an exemplary embodiment, the taper sleeve is provided with a through groove along the axial direction, so that the taper sleeve has radial elasticity. In an exemplary embodiment, the mounting portion of the hub main body is a plurality of blade mounting lugs distributed along a circumferential direction for fixing the impeller. The invention also provides an impeller, which comprises the taper sleeve type impeller mounting shaft disc and the impeller mounted on the mounting shaft disc. In an exemplary embodiment, the impeller is secured to the mounting portion of the hub body by fasteners or welding. The invention also provides a fan, which comprises a motor, a fan shaft and the impeller, wherein the fan shaft is connected with an output shaft of the motor, and the impeller is sleeved and fixed on the fan shaft through an inner hole of a taper sleeve of the impeller. In an exemplary embodiment, the tool further comprises a tool for elastically expanding the taper sleeve to facilitate disassembly and asse