CN218997864U

CN218997864U - Water-cooled motor shell

Info

Publication number: CN218997864U
Application number: CN202223317890.8U
Authority: CN
Inventors: 陆肃中; 钟治平; 朱兵斌; 詹智德; 元亚; 林海波
Original assignee: Zhejiang Jiuzhou New Energy Technology Co Ltd
Current assignee: Zhejiang Jiuzhou New Energy Technology Co Ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-09
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to a water-cooled motor casing, be in including casing and assembly front end housing and rear end cap on the casing, circumference is provided with a plurality of axial water courses that run through on the casing, the front end housing with circumference is provided with a plurality of basin on the rear end cap respectively, the basin of front end housing with the basin of rear end cap is crisscross intercommunication adjacent water course respectively in order to form the circulative cooling runner. The application is through the basin of front end housing and the basin of rear end housing crisscross circulative cooling runner that the adjacent water course of intercommunication formed respectively, and the region that the coolant liquid in the circulative cooling runner flowed through is great to can have better cooling effect. And the assembly can be realized through simple machining by utilizing mature stretching and casting processes, so that the manufacturing process of the water-cooled motor shell is simplified, and the manufacturing cost of the water-cooled shell is reduced.

Description

Water-cooled motor shell

Technical Field

The application relates to the technical field of motors, in particular to a water-cooled motor shell.

Background

The motor can generate a large amount of heat due to loss in the operation process, and the air-cooled motor can not meet the normal use under the working environment with higher space requirement or poor heat dissipation due to the large volume or the limitation of heat dissipation conditions. Therefore, the water-cooled motor is provided with the water channel on the shell, heat generated by the motor is taken away from the water channel through cooling liquid, the heat dissipation effect of the motor is good, and the operation reliability of the motor is improved.

Generally, a water-cooled motor adopts a circumferential water channel structure, and most of the circumferential water channel structures are spiral water channel structures, and the technical methods of the structures mainly comprise two types.

A method for welding the inner and outer shells includes such steps as casting the inner and outer shells, machining to obtain spiral water channel, and welding. The other is a method for embedding and casting the embedded copper pipe or the stainless steel pipe in the motor shell, and the process has the defects that the water channel and the body are different in material, the heat conductivity coefficient and the expansion coefficient are different, and the embedded copper pipe or the stainless steel pipe cannot be integrated after being embedded and cast, so that the heat dissipation performance of the water-cooled shell is poor.

Disclosure of Invention

In order to improve the cooling effect, the application provides a water-cooled motor shell.

The application provides a water-cooled motor casing adopts following technical scheme:

the utility model provides a water-cooling motor casing, includes the casing, and assembles front end housing and rear end cap on the casing, circumference is provided with a plurality of axial water courses that run through on the casing, the front end housing with circumference is provided with a plurality of basin respectively on the rear end cap, the basin of front end housing with the basin of rear end cap is crisscross intercommunication adjacent water course respectively in order to form the circulative cooling runner.

Preferably, the front end cover or the rear end cover is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with the water tank adjacent to the front end cover or the water tank adjacent to the rear end cover.

Preferably, the front end cover is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with adjacent water channels and then are communicated with adjacent water channels on the rear end cover.

Preferably, the rear end cover is provided with a water inlet and a water outlet, and the water inlet and the water outlet are respectively communicated with adjacent water channels and then are communicated with adjacent water channels on the front end cover.

Preferably, the section of the water channel is arranged in a circular arc shape concentric with the casing.

Preferably, the shell is a stretch profile.

Preferably, the front end cover, the rear end cover and the casing are sealed by a sealing ring, an O-ring or glue.

Preferably, the bottom of one side of the water tank on the front end cover and the bottom of one side of the water tank on the rear end cover are provided with bosses or the bottoms of two sides of the water tank are provided with bosses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the application is through the basin of front end housing and the basin of rear end housing crisscross circulative cooling runner that the adjacent water course of intercommunication formed respectively, and the region that the coolant liquid in the circulative cooling runner flowed through is great to can have better cooling effect.

2. The assembly can be realized through simple machining by utilizing mature stretching and casting processes, and the manufacturing process of the water-cooled motor shell is simplified, so that the manufacturing cost of the water-cooled shell is reduced.

Drawings

Fig. 1 is an overall schematic diagram of a water cooled motor housing.

Fig. 2 is a first exploded view of a water cooled motor housing.

Fig. 3 is a second exploded view of a water cooled motor housing.

Fig. 4 is a schematic structural view of the front cover.

Reference numerals illustrate: 1. a housing; 2. a front end cover; 3. a rear end cover; 4. a water channel; 5. a water tank; 6. a water inlet hole; 7. a water outlet hole; 8. a boss.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The utility model provides a water-cooled motor casing, refer to the fig. 1 and the fig. 2 show, including casing 1, front end housing 2 and rear end housing 3, casing 1 is tensile section bar, wholly is cylindrical setting, and the inside axial cavity of casing 1 is provided with the assembly limit on front end housing 2 and the rear end housing 3, and front end housing 2 and rear end housing 3 pass through the assembly limit and assemble at the both ends of casing 1, and wherein, fixed mode between front end housing 2 and the casing 1 is fixed through the screw, and fixed mode between rear end housing 3 and the casing 1 is fixed through the screw. It should be noted that the front end cover 2, the rear end cover 3 and the casing 1 are sealed by a sealing ring, an O-ring or glue, so that the tightness of the connection parts among the front end cover 2, the rear end cover 3 and the casing 1 is ensured.

Referring to fig. 2 and 3, a plurality of water channels 4 penetrating axially are circumferentially arranged on the casing 1, wherein the cross section of the water channels 4 is arranged in a circular arc shape concentric with the casing 1. A plurality of water tanks 5 are respectively circumferentially arranged on the front end cover 2 and the rear end cover 3, the water tanks 5 are arranged on the end face of the front end cover 2 facing the machine shell 1, and the water tanks 5 are arranged on the end face of the rear end cover 3 facing the machine shell 1.

When the front end cover 2 and the rear end cover 3 are assembled on the shell 1, the water tanks 5 of the front end cover 2 and the water tanks 5 of the rear end cover 3 are respectively communicated with the adjacent water channels 4 in a staggered manner to form a circulating cooling flow channel, and the circulating cooling flow channel is arranged in a Z shape. That is, the water grooves 5 on the front cover 2 cover two adjacent water passages 4 on the housing 1, and the water grooves 5 on the rear cover 3 cover two adjacent water passages 4 on the housing 1, but the water grooves 5 on the front cover 2 and the water grooves 5 on the rear cover 3 are alternately arranged in the axial direction of the housing 1, so that only one water passage 4 on the housing 1 keeps the water grooves 5 of the front cover 2 and the rear cover 3 in communication with each other.

After the cooling liquid passes through the water channel 5 of the front end cover 2, the water channel 4 flowing through the machine shell 1 enters the water channel 5 of the rear end cover 3, the water channel 5 of the rear end cover 3 flows through the water channel 4 adjacent to the machine shell 1 and enters the water channel 5 adjacent to the front end cover 2 until the cooling liquid flows through all the water channels 4 of the machine shell 1, so that a zigzag circulating cooling flow channel is formed.

In order to realize the input and output of the cooling liquid on the shell 1, the front end cover 2 or the rear end cover 3 is provided with a water inlet hole 6 and a water outlet hole 7. The following describes various embodiments of the specific mounting locations of the water inlet 6 and the water outlet 7.

In one embodiment, the front end cover 2 is provided with a water inlet hole 6 and a water outlet hole 7, and the water inlet hole 6 and the water outlet hole 7 are respectively communicated with the adjacent water tanks 5 of the front end cover 2.

In another embodiment, the rear end cover 3 is provided with a water inlet hole 6 and a water outlet hole 7, and the water inlet hole 6 and the water outlet hole 7 are respectively communicated with the water tanks 5 adjacent to the rear end cover 3.

In another embodiment, referring to fig. 3, a water inlet hole 6 and a water outlet hole 7 are arranged on the front end cover 2, and the water inlet hole 6 and the water outlet hole 7 are respectively communicated with the adjacent water channel 4 on the casing 1 and then are communicated with the adjacent water channel 5 on the rear end cover 3. That is, the water inlet hole 6 and the water outlet hole 7 are not communicated with the water tank 5 on the front end cover 2, but one ends of the water inlet hole 6 and the water outlet hole 7 are arranged on the outer circular surface of the front end cover 2, the other ends of the water inlet hole 6 and the water outlet hole 7 are arranged on the end surface of the front end cover 2, and then the water inlet hole 6 and the water outlet hole 7 are directly communicated with the adjacent water channel 4 on the shell 1, so that the water inlet hole 6 is communicated with the water tank 5 on the rear end cover 3, the water outlet hole 7 is communicated with the adjacent water tank 5 on the rear end cover 3, and therefore cooling water enters from the water inlet hole 6 and flows out from the water outlet hole 7 to form a circulating cooling flow channel. This example is also illustrated in the figures of this embodiment.

In another embodiment, the rear end cover 3 is provided with a water inlet hole 6 and a water outlet hole 7, and the water inlet hole 6 and the water outlet hole 7 are respectively communicated with the adjacent water channel 4 on the casing 1 and then are communicated with the adjacent water channel 5 on the front end cover 2.

Referring to fig. 4, the bottoms of the grooves 5 on the front cover 2 and the rear cover 3 are provided with bosses 8, or the bottoms of the grooves 5 on the front cover 2 and the rear cover 3 are provided with bosses 8. The boss 8 reduces the sectional area of the joint of the water channel 4 and the water tank 5, improves the flow rate of the cooling liquid passing through the joint on the premise of a certain flow rate of the cooling liquid, compensates the loss of the cooling liquid at the corner in the circulating cooling flow channel, ensures the better flow rate of the cooling liquid in the water channel 4, and ensures the integral cooling effect.

From this, this application is through the circulating cooling runner that the adjacent water course 4 of the crisscross intercommunication of basin 5 of front end housing 2 and the basin 5 of rear end housing 3 formed respectively, and the region that the coolant liquid in the circulating cooling runner flowed through is great to can have better cooling effect. And the assembly can be realized through simple machining by utilizing mature stretching and casting processes, so that the manufacturing process of the water-cooled motor shell is simplified, and the manufacturing cost of the water-cooled shell is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a water-cooling motor casing, includes casing (1), and assembles front end housing (2) and rear end cap (3) on casing (1), its characterized in that, circumference is provided with water course (4) that a plurality of axial run through on casing (1), front end housing (2) with be provided with a plurality of basin (5) on rear end cap (3) respectively circumference, basin (5) of front end housing (2) with basin (5) of rear end cap (3) crisscross intercommunication adjacent water course (4) respectively in order to form the circulative cooling runner.

2. The water-cooled motor housing according to claim 1, wherein the front end cover (2) or the rear end cover (3) is provided with a water inlet hole (6) and a water outlet hole (7), and the water inlet hole (6) and the water outlet hole (7) are respectively communicated with a water tank (5) adjacent to the front end cover (2) or a water tank (5) adjacent to the rear end cover (3).

3. The water-cooled motor housing according to claim 1, wherein the front end cover (2) is provided with a water inlet hole (6) and a water outlet hole (7), and the water inlet hole (6) and the water outlet hole (7) are respectively communicated with adjacent water channels (4) and then are communicated with adjacent water channels (5) on the rear end cover (3).

4. The water-cooled motor housing according to claim 1, wherein the rear end cover (3) is provided with a water inlet hole (6) and a water outlet hole (7), and the water inlet hole (6) and the water outlet hole (7) are respectively communicated with adjacent water channels (4) and then are communicated with adjacent water channels (5) on the front end cover (2).

5. A water cooled motor housing according to claim 1, wherein the cross section of the water channel (4) is arranged in a circular arc concentric with the casing (1).

6. A water cooled motor housing according to claim 1, wherein the casing (1) is a stretch profile.

7. A water cooled motor housing according to claim 1, characterized in that the front end cover (2), the rear end cover (3) and the casing (1) are sealed by a sealing ring, an O-ring or glue.

8. The water-cooled motor housing according to claim 1, wherein a boss (8) is arranged at the bottom of one side of the water tank (5) on the front end cover (2) and the rear end cover (3) or bosses (8) are arranged at the bottoms of two sides of the water tank (5).