CN210397147U

CN210397147U - Integral type water-cooling water pump

Info

Publication number: CN210397147U
Application number: CN201921312717.4U
Authority: CN
Inventors: 张正良
Original assignee: Guangzhou Bailitong Motor Co ltd
Current assignee: Guangzhou Bailitong Motor Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-24
Anticipated expiration: 2029-08-14

Abstract

The utility model provides an integral type water-cooled water pump, includes pump head, motor element and back lid body, wherein: the motor assembly comprises a shell body, a middle cover body, a stator, a rotor, an isolation sleeve and a driving circuit board, wherein the shell body is connected with the middle cover body, a cavity is formed inside the shell body, the stator, the rotor and the isolation sleeve are arranged in the cavity, the stator is pressed and mounted on the inner wall of the shell body, the shell body and the rear cover body are respectively provided with a first central convex column and a second central convex column in the cavity, the first central convex column and the second central convex column are provided with a bearing groove and a sliding bearing, the rotor is fixed through the sliding bearings at two ends, the isolation sleeve is arranged between the stator and the rotor, the front end of the isolation sleeve is fixed at the step part of the shell body, and the rear end of the isolation sleeve is fixed at. The utility model discloses an isolation sleeve keeps apart stator and rotor, adopts the water-cooling to dispel the heat to the rotor, carries out encapsulating insulating treatment to the stator, improves radiating efficiency and insulating nature.

Description

Integral type water-cooling water pump

Technical Field

The utility model relates to an automobile water pump field, especially an integral type water-cooling water pump.

Background

Among the prior art, there are a small part to adopt brushless DC motor's automobile water pump to utilize water-cooled mode to cool off, and relative forced air cooling, water-cooled cooling effect is more showing, does not have the heat to distribute to the environment in, however, because there is a large amount of windings in brushless DC motor's the stator, the water-cooling needs fine mechanical seal performance, if take place the seepage, can cause motor dielectric breakdown, burns out the motor even. The water-cooled brushless direct current motor water pump on the existing market is relatively complex in structure, poor in sealing performance and prone to leakage.

Therefore, a new technical solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages of the prior art, the present invention provides an integrated water-cooled water pump.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an integral type water-cooled water pump, includes pump head, motor element and back lid body, wherein: the motor assembly comprises a shell body, a middle cover body, a stator, a rotor, an isolation sleeve and a driving circuit board, wherein the shell body is connected with the middle cover body, a cavity is formed inside the shell body, the stator, the rotor and the isolation sleeve are arranged in the cavity, the stator is pressed and installed in the shell body, the shell body and the rear cover body are respectively provided with a first central convex column and a second central convex column in the cavity, the first central convex column and the second central convex column are provided with a bearing groove and a sliding bearing, the rotor is fixed through the sliding bearings at two ends, the isolation sleeve is arranged between the stator and the rotor, the front end of the isolation sleeve is fixed at the step part of the shell body, and the rear end of the isolation sleeve is fixed at the groove part of the.

As a further improvement of the utility model: the pump head includes pump cover and impeller assembly, the pump cover passes through the bolt fastening at the front end of shell body, the pivot end connection of impeller assembly and rotor.

As a further improvement of the utility model: the rear cover body forms an electrical space at the rear end of the shell body through a bolt, and the driving circuit board is arranged in the electrical space.

Compared with the prior art, the beneficial effects of the utility model are that: the stator and the rotor are isolated through the isolating sleeve, the rotor is cooled by water, glue is filled into the stator for insulation treatment, and the heat dissipation efficiency and the insulativity are improved.

Drawings

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

Fig. 2 is a schematic structural view of a stator core.

Fig. 3 is a schematic structural view of a rotor core.

Detailed Description

The invention will now be further described with reference to the accompanying drawings, in which:

referring to fig. 1-3, an integral type water-cooled water pump includes pump head 1, motor element and back lid body 2, wherein: the motor assembly comprises a shell body 3, a middle cover body 4, a stator 5, a rotor 6, a separation sleeve 7 and a driving circuit board 8, wherein the shell body 3 is connected with the middle cover body 4, a cavity is formed inside the shell body, and the stator 5, the rotor 6 and the separation sleeve 7 are arranged in the cavity.

Stator 5 pressure equipment is in the shell body 3, stator 5 includes stator core 51 and winding and three-phase lead 53, stator core includes six wire winding portions, is wire winding portion A, wire winding portion B, wire winding portion C, wire winding portion D, wire winding portion E, wire winding portion F respectively, the winding includes three group's windings, is U looks, V looks and W looks respectively, U looks clockwise is around wire winding portion A and wire winding portion D, and U looks head and the tail both ends all on wire winding portion A, V looks clockwise is around wire winding portion B and wire winding portion E, and V looks head and the tail both ends all on wire winding portion B, W looks clockwise is around wire winding portion C and wire winding portion F, and W looks head and the tail both ends all on wire winding portion C, three-phase lead 53 one end and winding electric connection, the other end pass well lid body 4's winding displacement hole 44 and 8 electric connection of drive circuit board. Stator core 51 outside still is equipped with mounting groove 52, the 3 inner walls of housing are equipped with mounting groove complex sand grip, stator 5 embedding housing 3 internal fixation.

Shell body 3 and back lid body 4 are equipped with first central projection 31 and the central projection 41 of second in the cavity respectively, be equipped with race and slide bearing on first central projection 31 and the central projection 41 of second, rotor 6 is fixed through the slide bearing at both ends, rotor 6 moulds the body including rotor core 61, pivot and package, the pivot pressure equipment is at the rotor core center, and rotor core moulds the body by the package and carries out complete cladding, be equipped with four evenly distributed's magnet steel groove 62 and through-hole 63 in the rotor core, be equipped with the magnet steel inslot.

The spacer 7 is disposed between the stator 5 and the rotor 6, and has a front end fixed to the step portion 32 of the housing body 3 and a rear end fixed to the recessed portion 42 of the middle cap body 4. The first central convex column 31 of the shell body 3 is provided with a step part 32, the step part 32 is attached to the front end and the outer wall of the isolation sleeve 7, the second central convex column 41 of the middle cover body 4 is provided with a groove part 42, the groove part 42 is attached to the rear end and the inner wall of the isolation sleeve 7, the isolation sleeve 7 isolates the stator 5 from the rotor 6, and simultaneously, the cavity is divided into an insulation space where the stator is located and a water cooling space where the rotor is located.

The pump head 1 comprises a pump cover and an impeller assembly 11, the pump cover is fixed at the front end of the shell body 3 through bolts, and the impeller assembly 11 is connected with the end part of a rotating shaft of the rotor 6.

The shell body 3 is provided with a water inlet 33 in the inner side of the step part in a penetrating manner, water in the pump head enters the water cooling space from the water inlet 33, and further heat exchange is carried out on the rotor 6 and the middle cover body 4, so that the heat dissipation efficiency of the water pump is improved.

The middle cover body 4 is provided with a glue filling port 43 and a wire arranging hole 44 between the second central convex column 41 and the inner wall, and after the middle cover body is assembled, glue filling treatment is performed through the glue filling port, so that the insulativity of an insulation space where the stator is located is improved.

The rear cover body 2 forms an electrical space at the rear end of the shell body 3 through bolts, and the driving circuit board 8 is arranged in the electrical space. The middle cover body 4 is provided with at least two protruding studs 45, the driving circuit board 8 is fixed on the studs 45 through bolts, and the rear cover body is provided with a lead group which is connected with the driving circuit board. The driving circuit board can be subjected to conventional waterproof insulation treatment such as glue pouring or surface coating.

In conclusion, after the ordinary skilled in the art reads the document of the present invention, according to the present invention, the technical solution and technical concept of the present invention do not need creative mental labor to make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides an integral type water-cooled water pump, includes pump head, motor element and back lid body, characterized by: the motor assembly comprises a shell body, a middle cover body, a stator, a rotor, an isolation sleeve and a driving circuit board, wherein the shell body is connected with the middle cover body, a cavity is formed inside the shell body, the stator, the rotor and the isolation sleeve are arranged in the cavity, the stator is pressed and installed in the shell body, the shell body and the rear cover body are respectively provided with a first central convex column and a second central convex column in the cavity, the first central convex column and the second central convex column are provided with a bearing groove and a sliding bearing, the rotor is fixed through the sliding bearings at two ends, the isolation sleeve is arranged between the stator and the rotor, the front end of the isolation sleeve is fixed at the step part of the shell body, and the rear end of the isolation sleeve is fixed at the groove part of the.

2. The integrated water-cooled water pump as claimed in claim 1, wherein: the pump head includes pump cover and impeller assembly, the pump cover passes through the bolt fastening at the front end of shell body, the pivot end connection of impeller assembly and rotor.

3. The integrated water-cooled water pump as claimed in claim 1, wherein: the rear cover body forms an electrical space at the rear end of the shell body through a bolt, and the driving circuit board is arranged in the electrical space.