CN215409426U

CN215409426U - Casing structure of electronic water pump

Info

Publication number: CN215409426U
Application number: CN202121168890.9U
Authority: CN
Inventors: 胡倩澜; 周志荣; 杨康生; 刘赣川; 韩明书; 何照良; 张志敏
Original assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Current assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-04
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a shell structure of an electronic water pump, which comprises: the shell main part, the front end of shell main part is equipped with the front baffle, and the rear end opening of shell main part, the front end edge of shell main part are equipped with pump mounting flange, the rear end edge of shell main part is equipped with controller flange face, be equipped with a plurality of bolt holes on the pump mounting flange, be equipped with a plurality of screw holes on the controller flange face. Compared with the prior art, the shell structure of the electronic water pump is characterized in that the rear end opening of the shell main body is connected with the controller, the stator wire end is led out from the rear end opening, visual inspection and maintenance can be conveniently carried out during fault, the flanges are arranged at the front end part and the rear end part, the electronic water pump is conveniently changed from a mechanical water pump, the stator stopping step is arranged in the accommodating cavity, and the stator is conveniently and accurately installed in place.

Description

Casing structure of electronic water pump

Technical Field

The utility model relates to the technical field of water pumps, in particular to a shell structure of an electronic water pump.

Background

With the development of brushless motors in recent years, brushless electronic cooling water pumps for automobiles have been developed. More and more engines in the market have the requirement of changing a mechanical water pump into an electronic water pump. The existing water pump casing structure mainly comprises a front cover mounting cavity, a stator mounting cavity, a bearing seat and a sealing cavity. The casing can meet the requirements of the front cover installation function, the stator fixing function, the bearing supporting function and the water path sealing function of the water pump casing. The existing shell structure is wider in applicability, almost all electronic water pumps directly connected through hoses can adopt the structure, but the structural interface is not suitable for changing a mechanical water pump into an electronic water pump. In addition, because the stator outlet end of the structure is at the rear end, and the rear end is blocked by the closed structure of the shell, when the stator fails, the failure cannot be directly eliminated by visual inspection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a shell structure of an electronic water pump so as to solve the technical problem that the existing mechanical water pump cannot be applied to the electronic water pump.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the embodiment of the utility model provides a shell structure of an electronic water pump, which comprises: the shell main part, the front end of shell main part is equipped with the front baffle, and the rear end opening of shell main part, the front end edge of shell main part are equipped with pump mounting flange, the rear end edge of shell main part is equipped with controller flange face, be equipped with a plurality of bolt holes on the pump mounting flange, be equipped with a plurality of screw holes on the controller flange face.

And a volute flow channel is concavely arranged on the pump mounting flange.

The center of the front baffle is provided with a clearance hole connected with the rotating shaft, the front baffle is further provided with a cooling overflowing hole, and the cooling overflowing hole surrounds the clearance hole.

The inner side surface of the front baffle is further provided with a bearing seat, a bearing chamber is arranged on the bearing seat, and the bottom of the bearing chamber is communicated with the clearance hole.

The inner side surface of the front baffle is also provided with a sealing groove, and the sealing groove surrounds the bearing seat.

The inner side surface of the front baffle is further provided with a stator end coil clearance position, and the stator end coil clearance position surrounds the sealing groove.

And an annular column is further protruded between the sealing groove and the vacancy avoiding position.

The stator stopping step is arranged on the cavity wall of the containing cavity.

The number of the cooling overflowing holes is four, and the empty avoiding holes are symmetrically arranged.

And a positioning hole is arranged on the controller connecting flange surface and is close to one of the threaded holes.

Compared with the prior art, the shell structure of the electronic water pump is characterized in that the rear end opening of the shell main body is connected with the controller, the stator wire end is led out from the rear end opening, visual inspection and maintenance can be conveniently carried out during fault, the flanges are arranged at the front end part and the rear end part, the electronic water pump is conveniently changed from a mechanical water pump, the stator stopping step is arranged in the accommodating cavity, and the stator is conveniently and accurately installed in place.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.

Drawings

Fig. 1 is a schematic overall structure diagram of a casing structure of an electronic water pump according to an embodiment of the present invention.

Fig. 2 is a schematic front end structure diagram of a casing structure of an electronic water pump according to an embodiment of the present invention.

Fig. 3 is a schematic rear end structure diagram of a casing structure of an electronic water pump according to an embodiment of the present invention.

Fig. 4 is an axial sectional view of a casing structure of an electronic water pump according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientation or positional relationship illustrated in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Referring to fig. 1 to 4, the present embodiment discloses a casing structure of an electronic water pump, which includes: shell main part 1, the front end 10 of shell main part 1 is equipped with

front baffle

4, 20 openings in the rear end of shell main part 1, and the front end edge of shell main part 1 is equipped with pump mounting flange 2, the rear end edge of shell main part 1 is equipped with controller flange face 3, be equipped with a plurality of bolt holes 22 on the pump mounting flange 2, be equipped with a plurality of screw holes 31 on the controller flange face 3. The shell main body 1 is in a pipe body shape, and the pump connecting flange 2 and the controller connecting flange face extend outwards from the edge of the front end and the edge of the rear end of the shell main body. The rear end 20 of the shell structure of the electronic water pump is provided with an opening, the shell structure is connected with a controller through a control connecting flange surface 3, and a stator lead is led out from the opening of the rear end 20, so that visual inspection and maintenance are facilitated.

The pump mounting flange 2 is further concavely provided with a volute flow channel 21, and the opening of the volute flow channel 21 faces the side face of the pump mounting flange 2. The space enclosed by the volute flow channel 21 and the front baffle 4 is used for connecting an impeller of a water pump.

Referring to fig. 2 again, the center of the front baffle 4 is provided with a clearance hole 41 connected to the rotating shaft, and the front baffle 4 is further provided with a cooling overflowing hole 42, wherein the cooling overflowing hole 42 is arranged around the clearance hole 41. In this embodiment, four cooling overflowing holes 42 are provided, and the holes 41 are symmetrically arranged.

Referring to fig. 4 again, a bearing seat 43 is further disposed on an inner side surface of the front baffle 4, a bearing chamber 431 is disposed on the bearing seat 43, and a bottom of the bearing chamber 431 is communicated with the clearance hole 41. The end of the rotating shaft of the water pump is connected with the bearing in the bearing chamber 431, and the end penetrates through the clearance hole 41.

The inner side surface of the front baffle 4 is further provided with a sealing groove 44, and the sealing groove 44 is arranged around the bearing seat 43.

Furthermore, a stator end coil space-avoiding position 45 is further arranged on the inner side surface of the front baffle 4, and the stator end coil space-avoiding position 45 is arranged around the sealing groove 44.

An annular column 46 protrudes between the sealing groove 44 and the clearance 45, and the annular column 46 is a sealing surface.

The shell main body 1 is internally provided with a cavity 11, and the cavity wall of the cavity 11 is also provided with a stator stopping step 12. The stator stopping step 12 is used for accurate positioning when a stator is installed, and convenient and rapid positioning is achieved.

As shown in fig. 3, a positioning hole 32 is formed on the controller connecting flange surface 3, and the positioning hole 32 is close to one of the threaded holes 31.

The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the utility model is subject to the claims.

Claims

1. A casing structure of an electronic water pump is characterized by comprising: the shell main part, the front end of shell main part is equipped with the front baffle, and the rear end opening of shell main part, the front end edge of shell main part are equipped with pump mounting flange, the rear end edge of shell main part is equipped with controller flange face, be equipped with a plurality of bolt holes on the pump mounting flange, be equipped with a plurality of screw holes on the controller flange face.

2. The electronic pump housing structure of claim 1, wherein the pump mounting flange further has a volute flow channel recessed therein.

3. The casing structure of the electronic water pump according to claim 2, wherein a clearance hole connected to the rotating shaft is formed in the center of the front baffle, and a cooling overflowing hole is further formed in the front baffle and arranged around the clearance hole.

4. The electronic water pump casing structure according to claim 3, wherein a bearing seat is further provided on an inner side surface of the front baffle, a bearing chamber is provided on the bearing seat, and a bottom of the bearing chamber is communicated with the clearance hole.

5. The electronic pump casing structure of claim 4, wherein the inner side of the front baffle further has a sealing groove, and the sealing groove is disposed around the bearing seat.

6. The electronic water pump casing structure of claim 5, wherein a stator end coil clearance is further provided on an inner side surface of the front baffle, and the stator end coil clearance is provided around the sealing groove.

7. The electronic water pump casing structure of claim 6, wherein an annular post further protrudes between the sealing groove and the clearance space.

8. The casing structure of the electronic water pump according to claim 1, wherein a cavity is formed inside the casing main body, and a stator stopping step is further arranged on a cavity wall of the cavity.

9. The casing structure of an electronic water pump according to claim 3, wherein the number of the cooling overflowing holes is four, and the cooling overflowing holes are symmetrically arranged with respect to the clearance holes.

10. The electronic pump casing structure of claim 1, wherein the controller connecting flange is provided with a positioning hole, and the positioning hole is adjacent to one of the threaded holes.