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CN-224228926-U - High-speed centrifugal water pump bearing capable of conducting heat

CN224228926UCN 224228926 UCN224228926 UCN 224228926UCN-224228926-U

Abstract

The utility model discloses a heat-conducting high-speed centrifugal water pump bearing, which relates to the technical field of water pump bearings and comprises a water pump rotating shaft and a bearing body, wherein the bearing body consists of an inner rotating ring, an outer sleeve ring and balls, a heat conducting channel is formed between the inner rotating ring and the outer sleeve ring, a heat conducting column is formed on the inner rotating ring, heat conducting fins are formed on the outer sleeve ring, and a heat radiating channel is formed between adjacent heat conducting fins. This kind of high-speed centrifugal water pump bearing that can heat conduction can accelerate the heat flow and make the distribution even through the heat conduction passageway between inner swivel, the outer collar, through a plurality of heat conduction posts on the inner swivel, can guide the heat to the outer collar in fast, then through a plurality of heat conduction fins on the outer collar and the heat dissipation passageway between, alright export to outside fast with the heat in the outer collar to guaranteed the efficient heat conduction efficiency of bearing body, made the heat dispel fast, prolonged the life of bearing body, improved reliability in use then.

Inventors

  • JIN LEI
  • REN XIAOZHENG

Assignees

  • 宁波市镇海华磊轴承有限公司

Dates

Publication Date
20260512
Application Date
20250625

Claims (7)

  1. 1. The heat-conducting high-speed centrifugal water pump bearing comprises a water pump rotating shaft (1), wherein a bearing body (2) is arranged on the outer side of the water pump rotating shaft (1); The bearing is characterized in that the bearing body (2) is composed of an inner rotating ring (3) and an outer sleeve ring (4) which rotate relatively, the inner rotating ring (3) is fixedly arranged on the outer side of a water pump rotating shaft (1), and a plurality of balls (5) which are uniformly distributed in circumference are movably arranged between the inner rotating ring (3) and the outer sleeve ring (4); The inner rotating ring (3) is suspended from the inner part of the outer sleeve ring (4), a through heat conducting channel (6) is formed, a plurality of heat conducting columns (10) which are uniformly distributed in the circumference are formed on the outer wall of the inner rotating ring (3), the end parts of the heat conducting columns (10) are attached to the inner wall of the outer sleeve ring (4), a plurality of heat conducting fins (12) which are uniformly distributed in the circumference are formed on the outer wall of the outer sleeve ring (4), and a heat radiating channel (13) is formed between two adjacent heat conducting fins (12).
  2. 2. A heat conductive high speed centrifugal water pump bearing according to claim 1, wherein the outer wall of the outer collar (4) is formed into a symmetrically distributed streamline structure, and the outer edges of the heat conductive fins (12) of the outer wall are formed into the same streamline structure.
  3. 3. The heat-conductive high-speed centrifugal water pump bearing according to claim 2, wherein symmetrically-distributed limiting rings (7) are formed on two sides of the outer wall of the inner rotating ring (3), symmetrically-distributed limiting rotating grooves (8) are formed on two sides of the inner wall of the outer sleeve ring (4), and the two limiting rings (7) correspondingly limit and rotate on the inner sides of the limiting rotating grooves (8).
  4. 4. The heat-conducting high-speed centrifugal water pump bearing according to claim 3, wherein the limiting ring (7) is provided with a plurality of through holes (9) which are uniformly distributed in the circumference, and the through holes (9) enable the heat conducting channel (6) to be communicated with the outside.
  5. 5. A heat-conductive high-speed centrifugal water pump bearing according to claim 3, wherein the end part of the heat-conductive column (10), namely the contact (11) with an arc surface is formed at the contact position with the inner wall of the outer sleeve ring (4), and the contact (11) is polished and subjected to wear-resistant treatment.
  6. 6. The heat-conductive high-speed centrifugal water pump bearing according to claim 5, wherein sealing rings (14) which are symmetrically distributed are fixedly arranged on two sides of the outer wall of the water pump rotating shaft (1) which is attached to the outer sleeve ring (4), and the sealing rings (14) are made of flexible materials with good heat conductivity, such as aluminum oxide heat-conductive rubber.
  7. 7. A heat-conductive high-speed centrifugal water pump bearing as claimed in claim 6, wherein a plurality of connecting strips (15) which are uniformly distributed circumferentially are arranged between the two sealing rings (14), the connecting strips (15) penetrate through the heat dissipation channel (13), and the two side end parts of the connecting strips are fixedly connected with the sealing rings (14) through fixing patches (16).

Description

High-speed centrifugal water pump bearing capable of conducting heat Technical Field The utility model relates to the technical field of water pump bearings, in particular to a high-speed centrifugal water pump bearing capable of conducting heat. Background The centrifugal water pump is a common water pump which is used for conveying liquid or pressurizing the liquid, is mainly used for conveying the liquid including water, oil, acid and alkali liquor, emulsion and the like and is applied to various fields such as agricultural irrigation, urban water supply, industrial manufacturing and the like, and the centrifugal water pump is a common water pump which is used for realizing liquid conveying by obtaining centrifugal force by the liquid through rotation of the impeller and throwing out the impeller, and a bearing is required to be arranged when the common water pump is used so as to play the roles of supporting rotation of the impeller and reducing friction. In prior art, the pivot of water pump is simply connected through sealed bearing and sealed apron, and sealed bearing has no special manger plate effect, the live time has been long can the infiltration easily, and its sealing washer is also simple lasso installation, the circumstances of infiltration appears easily equally, in order to overcome above-mentioned defect, prior art (application number is 202420485137.X, the chinese patent of application day 2024-03-13) a novel centrifugal water pump's seal structure, through set up mechanical seal between back pump case and motor assembly, compare with traditional single sealed bearing, waterproof effect is better, be provided with waterproof sealing gasket between preceding pump case and back pump case in addition, compared with traditional single sealing washer, this kind of connected mode waterproof effect of pegging graft is better, but the bearing of current centrifugal water pump is in actual working process, the heat conduction effect is general, result in the heat to gather easily between bearing and water pump pivot, and be difficult for the effluvium, then make the life-span of bearing not long, the reliability is not high. Aiming at the problems, innovative design is urgently needed on the basis of original equipment, so that a heat-conducting high-speed centrifugal water pump bearing is provided, and the problems can be well solved. Disclosure of utility model The utility model aims to provide a heat-conducting high-speed centrifugal water pump bearing, which solves the problems that in the prior art, the bearing of the centrifugal water pump has a common heat conducting effect in the actual working process, so that heat is easy to gather between the bearing and a water pump rotating shaft and is not easy to be dissipated, and the service life of the bearing is not long and the reliability is not high. The heat-conducting high-speed centrifugal water pump bearing comprises a water pump rotating shaft, wherein a bearing body is arranged on the outer side of the water pump rotating shaft, the bearing body is composed of an inner rotating ring and an outer rotating ring which are relatively rotated, the inner rotating ring is fixedly arranged on the outer side of the water pump rotating shaft, a plurality of balls which are uniformly distributed circumferentially are movably arranged between the inner rotating ring and the outer rotating ring, the inner rotating ring and the inner rotating ring are suspended in the air and are provided with through heat conducting channels, a plurality of heat conducting columns which are uniformly distributed circumferentially are formed on the outer wall of the inner rotating ring, the end parts of the heat conducting columns are attached to the inner wall of the outer rotating ring, a plurality of heat conducting fins which are uniformly distributed circumferentially are formed on the outer wall of the outer rotating ring, and a heat radiating channel is formed between two adjacent heat conducting fins. Preferably, the outer wall of the outer sleeve ring is formed into a streamline structure which is symmetrically distributed, and the outer edges of the heat conducting fins of the outer wall of the outer sleeve ring are formed into the same streamline structure. Preferably, the outer wall both sides shaping of interior swivel has the spacing ring of symmetric distribution, the spacing groove of symmetric distribution has been seted up to the inner wall both sides of outer lantern ring, and two spacing rings correspond spacing rotation in the inboard of spacing groove. Preferably, a plurality of through holes which are uniformly distributed in circumference are formed in the limiting ring, and the through holes enable the heat conducting channel to be communicated with the outside, so that heat accumulated in the heat conducting channel can be dissipated and led out through the plurality of through holes on two sides. Preferably, the end part of the heat conduc