CN210196118U

CN210196118U - Automobile water pump

Info

Publication number: CN210196118U
Application number: CN201921247461.3U
Authority: CN
Inventors: Shengyu Shao; 邵声誉; Qiwei Shao; 邵琦玮
Original assignee: Ruian Ouchao Auto Parts Co Ltd
Current assignee: Ruian Ouchao Auto Parts Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-03-27
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses an automobile water pump, including impeller, drive shaft, pump case, the one end and the ring flange fixed connection of drive shaft, the drive shaft runs through the axle coupling bearing and sets up in the pump case, the impeller is fixed to be set up at the other end of drive shaft, the drive shaft drives the impeller through power device and rotates, be provided with sealing device between impeller and the axle coupling bearing, sealing device includes rotatory ring, stationary ring, bellows and spring, stationary ring, rotatory ring can rotate relatively, stationary ring, rotatory ring are fixed to be overlapped on the drive shaft through the axle sleeve along the impeller direction of setting; the corrugated pipe is sleeved on the driving shaft through the corrugated pipe seat, a spring is arranged between the corrugated pipe and the pump shell, and the spring is fixedly arranged in a cavity between the corrugated pipe and the pump shell through the spring seat. The utility model has the advantages of simple and reasonable structure, sealing performance is high, but increase of service life has solved the problem among the prior art.

Description

Automobile water pump

Technical Field

The utility model relates to an auto-parts technical field specifically is an automobile water pump.

Background

The automobile water pump is an important part in an automobile engine, the automobile water pump comprises a shell and a water pump shaft arranged in the shell, one end of the water pump shaft is provided with an impeller which is in linkage fit with the water pump shaft, the other end of the water pump shaft is provided with a driving device which is used for driving the water pump shaft to rotate, the driving device drives the water pump shaft to rotate so as to drive the impeller to rotate, a water seal is further arranged on the water pump shaft, and the water seal is used for preventing water from entering the shell to influence the operation of.

At present, a cooling water pump used for an automobile, in particular a small water pump widely applied to light and saloon cars, generally adopts a shaft connecting bearing, an integral water seal, a die-casting aluminum alloy shell, a steel plate stamping belt pulley and a steel plate stamping impeller. And the cooling water pump for the vehicle generally adopts an integral independent arrangement and is connected with the engine body through 2-4 bearing surfaces, and the main defects of the form are that the structure of the water pump is complex, the connection with the engine body is inconvenient, the connection firmness is poor, the water pump is seriously vibrated during working or is positioned too much, and the sealing effect is poor, so that the use safety of the vehicle is influenced.

Disclosure of Invention

An object of the utility model is to provide an automobile water pump, it is reasonable to have simple structure, and sealing performance is high, but increase of service life's advantage has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

an automobile water pump comprises an impeller, a driving shaft and a pump shell, wherein one end of the driving shaft is fixedly connected with a flange plate, the driving shaft is arranged in the pump shell in a penetrating mode through a shaft connecting bearing, the impeller is fixedly arranged at the other end of the driving shaft, the driving shaft drives the impeller to rotate through a power device, a sealing device is arranged between the impeller and the shaft connecting bearing, the sealing device comprises a rotating ring, a static ring, a corrugated pipe and a spring, the static ring and the rotating ring can rotate relatively, and the static ring and the rotating ring are fixedly sleeved on the driving shaft through shaft sleeves along the arrangement direction of the impeller; the corrugated pipe is sleeved on the driving shaft through a corrugated pipe seat, a spring is arranged between the corrugated pipe and the pump shell, the spring is fixedly installed at a cavity between the corrugated pipe and the pump shell through the spring seat, raised positioning blocks are uniformly distributed on the bottom surface of the pump shell, and the positioning blocks can be conveniently aligned and guided during assembly, so that the assembly efficiency is improved.

Furthermore, an auxiliary sealing ring is arranged between the rotating ring and the shaft sleeve.

Furthermore, a plug cover is arranged on the side end face of the pump shell.

The utility model provides an automobile water pump improves whole sealing performance through setting up sealing device, in order to realize that rotatory ring and axle sleeve can combine closely, set up the closely fixed of supplementary sealing washer, further improve sealed effect; the sealing effect is greatly improved and the service life is prolonged by utilizing the corrugated pipe and the spring structure which are reasonably arranged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure: 10. an impeller; 20. a drive shaft; 30. a pump housing; 40. a shaft coupling bearing; 21. a flange plate; 31. blocking the cover; 41. a rotating ring; 42. a stationary ring; 43. a bellows; 44. a spring; 45. a shaft sleeve; 46. a bellows seat; 47. a spring seat; 48. an auxiliary seal ring; 49. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides an automobile water pump, including impeller 10, drive shaft 20, pump case 30, one end and the ring flange 21 fixed connection of drive shaft 20, drive shaft 20 runs through axle coupling bearing 40 and sets up in pump case 30, impeller 10 is fixed to be set up at the other end of drive shaft 20, drive shaft 20 drives impeller 10 through power device and rotates, be provided with sealing device between impeller 10 and the axle coupling bearing 40, sealing device includes rotatory ring 41, stationary ring 42, bellows 43 and spring 44, stationary ring 42, rotatory ring 41 can rotate relatively, stationary ring 42, rotatory ring 41 are fixed the cover through axle sleeve 45 along impeller 10 direction of setting and are located on drive shaft 20; the bellows 43 is sleeved on the driving shaft 20 through a bellows seat 46, a spring 44 is arranged between the bellows 43 and the pump shell 30, the spring 44 is fixedly arranged at a cavity between the bellows 43 and the pump shell 30 through a spring seat 47, and raised positioning blocks 49 are uniformly distributed on the bottom surface of the pump shell 30.

Further, an auxiliary seal ring 48 is provided between the rotary ring 41 and the sleeve 45.

Further, a cap 31 is provided on the side end surface of the pump housing 30.

The utility model provides an automobile water pump improves the whole sealing performance through setting up sealing device, in order to realize that rotatory ring and axle sleeve can combine closely, set up the closely fixed of auxiliary seal circle, further improve sealed effect; utilize rationally arranged bellows and spring structure, improved sealed effect greatly, prolonged life, through the locating piece that sets up, can be convenient when the assembly counterpoint the direction, improve assembly efficiency.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile water pump is characterized by comprising an impeller, a driving shaft and a pump shell, wherein one end of the driving shaft is fixedly connected with a flange plate, the driving shaft penetrates through the pump shell through a shaft connecting bearing and is arranged in the pump shell, the impeller is fixedly arranged at the other end of the driving shaft, the driving shaft drives the impeller to rotate through a power device, a sealing device is arranged between the impeller and the shaft connecting bearing and comprises a rotating ring, a static ring, a corrugated pipe and a spring, the static ring and the rotating ring can rotate relative to each other, and the static ring and the rotating ring are fixedly sleeved on the driving shaft through shaft sleeves along the arrangement direction of the impeller; the corrugated pipe is sleeved on the driving shaft through a corrugated pipe seat, a spring is arranged between the corrugated pipe and the pump shell, the spring is fixedly installed at a cavity between the corrugated pipe and the pump shell through a spring seat, and raised positioning blocks are uniformly distributed on the bottom surface of the pump shell.

2. The water pump as claimed in claim 1, wherein an auxiliary seal is provided between the rotating ring and the boss.

3. The water pump for an automobile as claimed in claim 1, wherein a side end surface of the pump housing is provided with a cap.