CN210564743U

CN210564743U - Easily maintain water pump structure

Info

Publication number: CN210564743U
Application number: CN201921289918.7U
Authority: CN
Inventors: 邵声誉; 邵琦玮
Original assignee: Ruian Ouchao Auto Parts Co Ltd
Current assignee: Ruian Ouchao Auto Parts Co Ltd
Priority date: 2019-08-10
Filing date: 2019-08-10
Publication date: 2020-05-19
Anticipated expiration: 2029-08-10

Abstract

The utility model discloses an easily maintain water pump structure, including the pump case, the internally mounted of pump case has water seal, water seal installs on the drive shaft through the axle sleeve, the drive shaft passes through the axle and links bearing support and can freely rotate in the pump case, the one end connection ring flange of drive shaft, the impeller is connected to the other end, the impeller includes the basal portion, rotating vane sets up to a plurality ofly, a plurality of rotating vane sets up along basal portion circumference interval, rotating vane is the strip, extend along perpendicular basal portion direction, the contained angle between two adjacent rotating vane is equal, the basal portion all is provided with the circular arc groove with the junction of each rotating vane one side; an oil filling hole is arranged on the pump shell at the position of the shaft connecting bearing. The utility model has the advantages of simple and reasonable structure, sealing performance is high, the later stage maintenance of being convenient for practices thrift cost of maintenance.

Description

Easily maintain water pump structure

Technical Field

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

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, an impeller of a cooling water pump used for an automobile is milled and formed into a blade in a mechanical processing mode, so that the processing amount is large, the production period is long, the consumption of raw materials is large, and the cost is high; meanwhile, the water pumps are located on one side of the engine, a high-temperature water pump needs to be conveyed to the cooling water tank during working, the working condition environment of the water pump is severe, the temperature is high, the lubricating oil in the bearing is easy to dry, the whole water pump needs to be detached during maintenance and supplement, maintenance is not convenient, the sealing effect is poor, and the use safety of an automobile is affected.

Disclosure of Invention

An object of the utility model is to provide an easily maintain water pump structure, it is reasonable to have simple structure, and maintenance cost's advantage has been solved to the later stage maintenance of being convenient for that sealing performance is high, having solved the problem among the prior art.

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

an easy-maintenance water pump structure comprises a pump shell, wherein a water seal device is installed inside the pump shell, the water seal device is installed on a driving shaft through a shaft sleeve, the driving shaft is supported in the pump shell through a shaft connecting bearing and can freely rotate, one end of the driving shaft is connected with a flange plate, the other end of the driving shaft is connected with an impeller, the impeller comprises a base part and a plurality of rotating blades, the rotating blades are arranged at intervals along the circumferential direction of the base part, the rotating blades are strip-shaped and extend along the direction vertical to the base part, the included angles between two adjacent rotating blades are equal, and an arc groove is formed in the joint of the base part and one side of each rotating blade; an oil filling hole is formed in the pump shell and located at the position of the shaft connecting bearing.

Furthermore, the internally mounted of water seal installation has stationary ring, rotating ring, stationary ring with the rotating ring can rotate relatively, the rotating ring with the junction of axle sleeve is equipped with supplementary sealing washer, one side of stationary ring is equipped with the spring, the spring holder is installed to the one end of spring, the ripple tube socket is installed to the one end of spring, install the bellows on the ripple tube socket.

Further, the number of the rotating blades is 6.

The utility model provides an easy-maintenance water pump structure, the impeller is formed integrally by stamping, the structure is simple, the weight is low, and the cost is low; meanwhile, the rotating blades and the base part are high in hardness and good in rigidity due to the work hardening effect after being stamped, and the stability is good in the using process; the arc groove arranged at the joint of the base part and one side of each rotating blade ensures that the rotating blades are flat and have good consistent included angles with each other after stamping, water suction and drainage are stable when the water pump works, and the oil injection hole is arranged, so that the water pump has the advantages of simple and convenient maintenance and maintenance cost saving at the later use stage of the water pump; in addition, through setting up whole water seal arrangement and improving whole sealing performance, utilize the axle sleeve to install water seal arrangement in the drive shaft, the supplementary sealing washer of cooperation simultaneously can further improve sealed effect, reinforcing water pump job stabilization nature.

Drawings

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

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a perspective view of the impeller of the present invention.

Fig. 4 is a top view of the impeller of the present invention.

In the figure: 10. a pump housing; 20. a water seal device; 30. a drive shaft; 21. a shaft sleeve; 22. a shaft coupling bearing; 23. a stationary ring; 24. a moving ring; 25. an auxiliary seal ring; 26. a spring; 27. a spring seat; 28. a bellows seat; 29. a bellows; 31. a flange plate; 32. an impeller; 101. an oil filler hole; 321. a base; 322. a rotor blade; 323. a circular arc groove.

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. 1-4, the utility model provides an easily maintain water pump structure, including pump case 10, the internally mounted of pump case has water seal 20, water seal 20 installs on drive shaft 30 through axle sleeve 21, drive shaft 30 supports in pump case 10 through shaft connecting bearing 22 and can freely rotate, flange 31 is connected to one end of drive shaft 30, the other end is connected impeller 32, the impeller includes basal portion 321, rotor blade 322 sets up to be a plurality of, a plurality of rotor blade 322 set up along basal portion 321 circumference interval, rotor blade 322 is the strip, extend along perpendicular basal portion 321 direction, the contained angle between two adjacent rotor blade 322 is equal, the junction of basal portion 321 and each rotor blade 322 one side all is provided with circular arc groove 323; an oil hole 101 is provided in the pump casing 10 at the shaft coupling bearing 22.

Further, a stationary ring 23 and a moving ring 24 are mounted inside the water sealing device 20, the stationary ring 23 and the moving ring 24 can rotate relatively, an auxiliary sealing ring 25 is arranged at the joint of the moving ring 24 and the shaft sleeve 21, a spring 26 is arranged on one side of the stationary ring 23, a spring seat 27 is mounted at one end of the spring 26, a corrugated pipe seat 28 is mounted at one end of the spring 26, and a corrugated pipe 29 is mounted on the corrugated pipe seat 28.

Further, the number of the rotor blades 322 is 6. By adopting 6 rotating blades, the balance of structure simplification and efficiency guarantee can be realized to the maximum extent.

In the easy-maintenance water pump structure provided by the utility model, the impeller is integrally formed in a stamping mode, and the rotating blades and the base part have high hardness and good rigidity and good stability in the use process due to the work hardening effect after stamping; the arc groove arranged at the joint of the base part and one side of each rotating blade ensures that the rotating blades are flat and have good consistent included angles with each other after stamping, water suction and drainage are stable when the water pump works, and the oil injection hole is arranged, so that the water pump has the advantages of simple and convenient maintenance and maintenance cost saving at the later use stage of the water pump; in addition, through setting up whole water seal arrangement and improving whole sealing performance, utilize the axle sleeve to install water seal arrangement in the drive shaft, the supplementary sealing washer of cooperation simultaneously can further improve sealed effect, reinforcing water pump job stabilization nature.

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 easily maintained water pump structure comprises a pump shell and is characterized in that a water seal device is installed inside the pump shell and is installed on a driving shaft through a shaft sleeve, the driving shaft is supported in the pump shell through a shaft connecting bearing and can rotate freely, one end of the driving shaft is connected with a flange plate, the other end of the driving shaft is connected with an impeller, the impeller comprises a base and a plurality of rotating blades, the plurality of rotating blades are arranged at intervals along the circumferential direction of the base, the rotating blades are strip-shaped and extend along the direction vertical to the base, the included angles between two adjacent rotating blades are equal, and an arc groove is formed in the joint of the base and one side of each rotating blade; an oil filling hole is formed in the pump shell and located at the position of the shaft connecting bearing.

2. The easy-to-maintain water pump structure as claimed in claim 1, wherein a stationary ring and a movable ring are installed inside the water sealing device, the stationary ring and the movable ring can rotate relatively, an auxiliary sealing ring is installed at a joint of the movable ring and the shaft sleeve, a spring is installed on one side of the stationary ring, a spring seat is installed at one end of the spring, a corrugated pipe seat is installed at one end of the spring, and a corrugated pipe is installed on the corrugated pipe seat.

3. The easy-to-maintain water pump structure as claimed in claim 1, wherein the number of the rotating blades is 6.