CN215805242U

CN215805242U - Low-noise electronic water pump structure

Info

Publication number: CN215805242U
Application number: CN202122266686.7U
Authority: CN
Inventors: 王鑫; 黄卫华
Original assignee: Shenzhen Jianke Electronics Co ltd
Current assignee: Shenzhen Jianke Electronics Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-02-11
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a low-noise electronic water pump structure which comprises a pump body, wherein a motor is fixedly arranged in the pump body, a stator is fixedly arranged in the motor, a rotor is movably arranged in the stator, a long shaft is fixedly arranged in the rotor, and a pump head is fixedly arranged at the top of the pump body. This low noise electronic water pump structure, in-process carrying out daily use, be located the rotor between end cover and the pump body, the bearing has been arranged respectively to end cover and pump body, carry out concentric location to the rotor, guarantee the axiality of rotor, fix the bearing on the metalwork, size precision is high, make the installation clearance of impeller reduce greatly, reduce the eccentric wear, and the design has two locating pins between end cover and the pump body, thereby guarantee the better coaxial of end cover and pump body, so that better noise reduction and vibration, and the assembly is simple, small, reliable structure, product efficiency and performance have been improved.

Description

Low-noise electronic water pump structure

Technical Field

The utility model relates to the technical field of water pumps, in particular to a low-noise electronic water pump structure.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, it transfers the mechanical energy of prime mover or other external energy to liquid, and increases the energy of liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and also can convey liquid, gas mixture and liquid containing suspended solid, the technical parameters of water pump performance include flow, suction lift, shaft power, water power and efficiency, and can be divided into volume water pump, vane pump, etc. according to different working principles, the volume pump utilizes the change of working chamber volume to transfer energy, the vane pump utilizes the interaction of rotary vane and water to transfer energy, and has the types of centrifugal pump, shaft pump and mixed flow pump, in the cylinder body of automobile engine, there are many water channels for cooling water circulation, and is connected with radiator (commonly called water tank) placed in the front of automobile through water pipe, the water pump is arranged at the upper water outlet of the engine to pump hot water in a water channel of an engine cylinder body and pump cold water in the water channel, the thermostat is arranged beside the water pump, when an automobile is started (cold automobile), the thermostat is not opened, cooling water does not pass through the water tank and circulates in the engine (commonly called small circulation), when the temperature of the engine reaches more than 95 ℃, the thermostat is opened, hot water in the engine is pumped into the water tank, and cold air in the automobile in the forward running process blows through the water tank, so that heat is taken away.

The existing vehicle electronic water pump fixes a bearing on a plastic waterproof sleeve, is poor in coaxiality, is severe in eccentric wear, is high in structural noise and vibration, reduces the efficiency and performance of a product, is poor in heat dissipation effect, does not have circulating water cooling or is poor in circulating liquid cooling for the controller in a position where the heat dissipation is not good, and reduces the practical reliability and the service life of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-noise electronic water pump structure, which aims to solve the problems that the existing vehicle electronic water pump provided in the background technology has poor coaxiality, severe eccentric wear, great structural noise and vibration, reduced product efficiency and performance, poor heat dissipation effect, no circulating water cooling or poor circulating liquid cooling at the position where the heat dissipation is poor mainly because a controller generates heat, and reduced product practical reliability and service life.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low noise electronic water pump structure, includes the pump body, the inside fixed mounting of pump body has the motor, the inside fixed mounting of motor has the stator, the inside movable mounting of stator has the rotor, the inside fixed mounting of rotor has the major axis, the top fixed mounting of pump body has the pump head, the inside top fixed mounting of pump body has the end cover.

Preferably, a first bearing is movably mounted on the surface of a long shaft corresponding to the inside of the end cover, and a second bearing is movably mounted at the bottom end of the long shaft through the rotor.

Preferably, the top of pump body fixed mounting has first locating pin and second locating pin, the top and the end cover fixed connection of first locating pin and second locating pin.

Preferably, a waterproof sleeve is fixedly installed between the motor and the rotor, and a rotating shaft through hole is formed in the long shaft.

Preferably, the both sides of end cover fixed mounting respectively have control panel and controller, the opposite side fixed surface of pump body installs the fixing base, the inside movable mounting of pump head has the impeller, the top fixed surface of pump head installs the plug, the top and the impeller fixed connection of major axis.

Compared with the prior art, the utility model has the beneficial effects that:

this low noise electronic water pump structure, in-process carrying out daily use, be located the rotor between end cover and the pump body, the bearing has been arranged respectively to end cover and pump body, carry out concentric location to the rotor, guarantee the axiality of rotor, fix the bearing on the metalwork, size precision is high, make the installation clearance of impeller reduce greatly, reduce the eccentric wear, and the design has two locating pins between end cover and the pump body, thereby guarantee the better coaxial of end cover and pump body, so that better noise reduction and vibration, and the assembly is simple, small, reliable structure, product efficiency and performance have been improved.

This low noise electronic pump structure, in-process carrying out daily use, install the control panel in one side of water pump fluid flow region promptly end cover, the opposite side has the coolant liquid to dispel the heat through carrying out the controller, the radiating effect is improved, it has waterproof cover to design between motor and the rotor, divide into two regions in dry chamber and wet chamber with the water pump, it has the pivot through-hole to design in the middle of the rotor, reduce high-speed rotor rotation and bearing generate heat, and provide the water mill lubrication, electronic pump's reliable and stable nature has been guaranteed, the service life of water pump is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is a schematic diagram of a dual dowel structure according to the present invention.

In the figure: 1. a pump head; 2. a controller; 3. an end cap; 4. a stator; 5. a rotor; 6. a long axis; 7. an impeller; 8. a pump body; 9. a second bearing; 10. a first bearing; 11. a motor; 12. a fixed seat; 13. a waterproof jacket; 14. a through hole of the rotating shaft; 15. a first positioning pin; 16. a second positioning pin; 17. a plug; 18. and a control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-noise electronic water pump structure comprises a pump body 8, a motor 11 is fixedly arranged inside the pump body 8, a stator 4 is fixedly arranged inside the motor 11, a rotor 5 is movably arranged inside the stator 4, a long shaft 6 is fixedly arranged inside the rotor 5, a pump head 1 is fixedly arranged at the top of the pump body 8, an end cover 3 is fixedly arranged at the top end inside the pump body 8, a first bearing 10 is movably arranged on the surface of the long shaft 6 corresponding to the inside of the end cover 3, a second bearing 9 is movably arranged at the bottom end of the long shaft 6 in a penetrating mode through the rotor 5, the rotor 5 is arranged between the end cover 3 and the pump body 8, a first bearing 10 is movably arranged on the surface of the long shaft 6 corresponding to the inside of the end cover 3, a second bearing 9 is movably arranged at the bottom end of the long shaft 6 in a penetrating mode through the rotor 5, the rotor 5 is concentrically positioned, the coaxiality of the rotor 5 is ensured, the first bearing 10 and the second bearing 9 are fixed on a metal piece, size precision is high, enable impeller 7's installation clearance and reduce greatly, reduce the eccentric wear, the top fixed mounting of pump body 8 has first locating pin 15 and second locating pin 16, the top and the end cover 3 fixed connection of first locating pin 15 and second locating pin 16, fixed mounting has first locating pin 15 and second locating pin 16 between through end cover 3 and the pump body 8, thereby guarantee the end cover 3 and the better coaxial of pump body 8, so that better noise reduction and vibration, and the assembly is simple, small, reliable in structure, product efficiency and performance have been improved.

A waterproof sleeve 13 is fixedly arranged between the motor 11 and the rotor 5, a rotating shaft through hole 14 is arranged in the long shaft 6, a control panel 18 and a controller 2 are respectively fixedly arranged at two sides of the end cover 3, the control panel 18 is arranged at one side of the end cover 3, the other side adopts cooling liquid to dissipate heat of the controller 2, the heat dissipation effect is improved, the waterproof sleeve 13 is fixedly arranged between the motor 11 and the rotor 5 to divide the water pump into a dry cavity area and a wet cavity area, the rotating shaft through hole 14 is arranged in the long shaft 6 arranged in the middle of the rotor 5 to reduce the rotation of the high-speed rotor 5 and the heating of the first bearing 10 and the second bearing 9 and provide water grinding lubrication, the stable reliability of the electronic water pump is ensured, the service life of the water pump is prolonged, a fixed seat 12 is fixedly arranged at the other side surface of the pump body 8, an impeller 7 is movably arranged in the pump head 1, and a plug 17 is fixedly arranged at the top surface of the pump head 1, the top end of the long shaft 6 is fixedly connected with an impeller 7.

The working principle is as follows: the low-noise electronic water pump is characterized in that a rotor 5 is arranged between an end cover 3 and a pump body 8, a first bearing 10 is movably arranged on the surface of a long shaft 6 corresponding to the inside of the end cover 3, a second bearing 9 is movably arranged at the bottom end of the long shaft 6 in a penetrating mode through the rotor 5, the rotor 5 is concentrically positioned, the coaxiality of the rotor 5 is guaranteed, the first bearing 10 and the second bearing 9 are fixed on a metal piece, the size precision is high, the installation clearance of an impeller 7 can be greatly reduced, eccentric wear is reduced, a first positioning pin 15 and a second positioning pin 16 are fixedly arranged between the end cover 3 and the pump body 8, the end cover 3 and the pump body 8 are better coaxial, noise and vibration are better reduced, the low-noise electronic water pump is simple to assemble, small in size and reliable in structure, the product efficiency and performance are improved, the low-noise electronic water pump is arranged on one side of the end cover 3 through a control panel 18, the other side adopts cooling liquid to dissipate heat of a controller 2, the radiating effect is improved, waterproof sleeve 13 is fixedly mounted between motor 11 and rotor 5, the water pump is divided into a dry cavity and a wet cavity, rotating shaft through holes 14 are formed in long shaft 6 mounted in the middle of rotor 5, heating of high-speed rotor 5 rotation and first bearing 10 and second bearing 9 is reduced, water mill lubrication is provided, stability and reliability of the electronic water pump are guaranteed, and the service life of the water pump is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low noise electronic water pump structure, includes pump body (8), its characterized in that: the utility model discloses a pump, including pump body (8), the inside fixed mounting of pump body (8) has motor (11), the inside fixed mounting of motor (11) has stator (4), the inside movable mounting of stator (4) has rotor (5), the inside fixed mounting of rotor (5) has major axis (6), the top fixed mounting of pump body (8) has pump head (1), the inside top fixed mounting of pump body (8) has end cover (3).

2. The low-noise electronic water pump structure according to claim 1, wherein: a first bearing (10) is movably mounted on the surface of a long shaft (6) corresponding to the inner part of the end cover (3), and a second bearing (9) is movably mounted at the bottom end of the long shaft (6) in a way of penetrating through the rotor (5).

3. The low-noise electronic water pump structure according to claim 1, wherein: the top fixed mounting of pump body (8) has first locating pin (15) and second locating pin (16), the top and end cover (3) fixed connection of first locating pin (15) and second locating pin (16).

4. The low-noise electronic water pump structure according to claim 1, wherein: a waterproof sleeve (13) is fixedly installed between the motor (11) and the rotor (5), and a rotating shaft through hole (14) is formed in the long shaft (6).

5. The low-noise electronic water pump structure according to claim 1, wherein: the utility model discloses a pump head, including end cover (3), pump body (8), inside movable mounting have impeller (7), the top fixed surface of pump head (1) installs plug (17), the top and impeller (7) fixed connection of major axis (6), the both sides of end cover (3) are fixed mounting respectively have control panel (18) and controller (2), one side fixed surface of pump body (8) installs fixing base (12), the inside movable mounting of pump head (1) has impeller (7).