CN208337308U

CN208337308U - Motor case and motor

Info

Publication number: CN208337308U
Application number: CN201820714566.4U
Authority: CN
Inventors: 张水杏; 齐洪刚; 王光宇
Original assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Current assignee: Guangzhou Xiaopeng Motors Technology Co Ltd
Priority date: 2018-05-11
Filing date: 2018-05-11
Publication date: 2019-01-04
Anticipated expiration: 2028-05-11

Abstract

The utility model relates to electric vehicle engineering field, a kind of motor case and motor are disclosed, to improve the processing efficiency and yield rate of motor case, to reduce production cost.Motor case provided by the utility model, first end cover including shell, the first end for being fixed on shell, and it is fixed on the second end cover of the second end of shell, wherein: shell includes the multiple water channel holes for being parallel to shell and being axially arranged, and multiple water channel holes are connected to form continuous water channel in first end or the second end by each water channel hole with adjacent water channel hole.

Description

Motor case and motor

Technical field

The utility model relates to electric vehicle engineering fields, more particularly to a kind of motor case and motor.

Background technique

With getting worse for global energy crisis and problem of environmental pollution, the development of electric car is especially rapid.It is electronic Automobile replaces fuel engines using electric power as power source, by motor, not only has high efficiency, low noise, reduces exhaust gas row The features such as putting, and can largely save the fuel oil energy.With the increasingly mature of electric automobile power battery technology and development, electricity Electrical automobile will become the main trend of future automobile industrial development.

In the prior art, spiral water channel machine is generallyd use in the drive end bearing bracket of motor and motor casing integral structure Shell integrally casting technique, the casting technique it is usually used be sand mo(u)ld integral casting process, casing molding after pass through vibration It is dynamic to pour out molding sand from tapping.However above-mentioned process bands come problem be motor case yield rate and processing efficiency compared with Low, production cost is higher.

Utility model content

The utility model embodiment provides a kind of motor case and motor, with improve motor case processing efficiency and at Product rate, to reduce production cost.

The utility model embodiment provides a kind of motor case, comprising: shell, the first end for being fixed on the shell First end cover, and be fixed on the second end cover of the second end of the shell, in which:

The shell includes the multiple water channel holes for being parallel to the shell and being axially arranged, and the multiple water channel hole passes through each Water channel hole is connected to form continuous water channel in the first end or the second end with the adjacent water channel hole.

The motor case of the technical program, water channel become one with casing, wherein water channel connected by multiple water channel holes and At, between water channel hole casing endface be connected to, can effectively increase water cooling area in this way, to improve water-cooled effect； In addition, the water channel hole of the technical program is parallel to the axial setting of shell, and compared with prior art, the manufacture letter of the motor case Single, processing efficiency and yield rate are higher, and processing cost is lower.

In the above-described embodiments, optionally, the water channel hole is even number, and each water channel hole is in the first end The water channel hole adjacent with one is connected, and is connected in the second end water channel hole adjacent with another. Setting even number for water channel hole can be such that any two adjacent water channel holes are connected to, so as to increase the cooling surface of casing Product；And water channel hole, which is set as even number, can make the manufacturing process of casing be easier to manage.

In the above-described embodiments, optionally, the water channel hole is connected with the adjacent water channel hole by waist-shaped hole.

Two adjacent water channel holes are connected by the way that waist-shaped hole is arranged on the end face of motor case, manufacture craft Relatively simple, technique is easier to manage.

In the above-described embodiments, optionally, the motor case further includes welded plate, and the welded plate is welded in the shell The end face of body, and block the waist-shaped hole.Waist-shaped hole is blocked by the way that welded plate to be welded in the end face of shell, can realized The processing technology of shell is further simplified while the sealing effect of water channel hole.

In the above-described embodiments, optionally, the first end cover is an integral molding structure with the shell.Motor case Manufacture is unlimited, such as end cap and shell can be made to be integrally formed by way of casting, the motor case obtained in this way Intensity is higher, cost is relatively low, is more conducively produced on a large scale.

In the above-described embodiments, optionally, the first end cover includes shaft supporting part, and the connection shaft supporting part with The interconnecting piece of the shell.

In the above-described embodiments, optionally, the interconnecting piece is the rib for being radially distributed in the shaft supporting part side Item, and the interconnecting piece is connect with the inner sidewall of the shell.

Interconnecting piece is arranged to rib structure, can simplify the structure of motor case, and can effectively mitigate motor The weight of casing.

In the above-described embodiments, optionally, the second end cover couples with shell fastening.

In the above-described embodiments, optionally, the motor case further includes being set to the housing side and respectively and not The inlet and outlet of same water channel hole connection.

Conceived based on identical utility model, the utility model additionally provides a kind of motor, including as described in preceding any one Motor case.

The structural strength of the casing of the motor of the technical program, processing efficiency and yield rate are higher, lower production costs, It is suitble to large-scale production.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of an embodiment of the present invention motor case；

Fig. 2 is the structural schematic diagram of another embodiment motor case of the utility model；

Fig. 3 is the structural schematic diagram of another embodiment of the utility model motor case；

Fig. 4 is the A direction view of the utility model Fig. 3；

Fig. 5 is the B-B cross-sectional view of the utility model Fig. 4；

Fig. 6 is the C-C cross-sectional view of the utility model Fig. 4；

Fig. 7 is the D-D cross-sectional view of the utility model Fig. 4；

Fig. 8 is the E-E cross-sectional view of the utility model Fig. 4；

Fig. 9 is the partial sectional view of the utility model Fig. 4；

Figure 10 is the structural schematic diagram of the second end cover of the utility model embodiment motor case.

Appended drawing reference:

1- motor case；

2- shell；

3- first end；

4- the second end；

5- first end cover；

6- second end cover；

7- water channel hole；

8- waist-shaped hole；

9- welded plate；

10- shaft supporting part；

11- interconnecting piece；

12- through-hole；

13- threaded hole；

14- water inlet；

15- water outlet.

Specific embodiment

To improve the processing efficiency and yield rate of motor case, so that production cost is reduced, the utility model embodiment Provide a kind of motor case and motor.It, below will knot to keep the purpose of this utility model, technical solution and advantage clearer Attached drawing is closed to be described in further detail the utility model embodiment.

When the application refers to ordinal numbers such as " first ", " second ", " third " or " the 4th ", unless based on context its The meaning of certain order of representation, it is appreciated that being only to distinguish to be used.

It please refers to shown in Fig. 1 to Figure 10, the utility model embodiment provides a kind of motor case 1, comprising: shell 2 is consolidated Due to the first end cover 5 of the first end 3 of shell 2, and it is fixed on the second end cover 6 of the second end 4 of shell 2, in which:

Shell 2 includes being parallel to multiple water channel holes 7 that shell 2 is axially arranged, and multiple water channel holes 7 pass through each water channel hole 7 It is connected to form continuous water channel with adjacent water channel hole 7 in first end 3 or the second end 4.

The motor case 1 of the technical program, water channel become one with shell 2, and wherein water channel is connected by multiple water channel holes 7 It forms, is connected between water channel hole 7 in the endface of shell 2, as shown in Fig. 2, Fig. 2 is along being parallel to the axis of shell axial direction for shell The distribution map of water channel after body expansion, it can be seen from the figure that setting can effectively increase the water cooling face of motor case in this way Product, to improve water-cooled effect；Also, compared with prior art, which is simple to manufacture, processing efficiency and finished product Rate is higher, and processing cost is lower.

In the above-described embodiments, optionally, water channel hole is even number, and each water channel hole is in first end and one adjacent Water channel hole is connected, and is connected in the second end water channel hole adjacent with another.Setting even number for water channel hole can be with It is connected to any two adjacent water channel holes, to increase the film-cooled heat of casing；And water channel hole is set as even number can be with The manufacturing process of casing is set to be easier to manage.In addition, in each optional embodiment of the application, the particular number of water channel hole and It is distributed unlimited, in the case where meeting manufacturing process, the quantity of water channel hole is more and when being uniformly distributed, and imitates to the cooling of motor Fruit is better.

As shown in Fig. 4 to 10, in any of the above-described embodiment, optionally, water channel hole 7 and adjacent water channel hole 7 pass through waist Type hole 8 is connected.

Two adjacent water channel holes 7 are connected by the way that waist-shaped hole 8 is arranged on the end face of motor case, make work Skill is relatively simple, and technique is easier to manage.

As shown in Fig. 4 to 9, in the above-described embodiments, optionally, motor case further includes welded plate 9, and welded plate 9 welds In the end face of shell 2, and block waist-shaped hole 8.

Since the end face of motor case is plane, welded plate 9 can be welded in shell using the welding procedure of friction welding (FW) The end face of body 2 is to block waist-shaped hole 8, compared with prior art, in this way can be while realizing the sealing effect of water channel hole 7 It is further simplified the processing technology of shell 2, and reduces production cost.

In the above-described embodiments, optionally, first end cover is an integral molding structure with shell.The manufacture of motor case It is unlimited, such as first end cover and shell can be made to be integrally formed by way of casting, the intensity of the motor case obtained in this way It is higher, cost is relatively low, more conducively produced on a large scale.

As shown in Fig. 1, Fig. 4 to Fig. 9, in the above-described embodiments, optionally, first end cover 5 includes shaft supporting part 10, and Connect the interconnecting piece 11 of shaft supporting part 10 and shell 2.

Please continue to refer to shown in Fig. 1, Fig. 4 to Fig. 9, in the above-described embodiments, optionally, interconnecting piece 11 is radially to divide It is distributed in the rib of 10 side of shaft supporting part, and interconnecting piece 11 is connect with the inner sidewall of shell 2.

Interconnecting piece 11 is arranged to rib structure, can simplify the structure of motor case 1, and can effectively mitigate electricity The weight of machine casing 1.

In the above-described embodiments, optionally, second end cover couples with shell fastening.As shown in Fig. 5 to Figure 10, second end cover Multiple through-holes 12 are offered on 6, the second end of shell 2 corresponds to multiple through-holes 12 and is provided with multiple threaded holes 13, in this way can be with It is attached after being installed motor and casing, then by second end 6 and shell 2 by fastener.

As shown in figures 1 and 3, in the above-described embodiments, optionally, motor case 1 further include be set to 2 side of shell and The water inlet 14 and water outlet 15 being connected to respectively from different water channel holes.In this way, cooling water can enter water by water inlet 14 Road, and water channel is flowed out by water outlet 15, to complete to cool to motor.

Based on identical design, the utility model additionally provides a kind of motor, including such as any one of preceding motor case.

Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims

1. a kind of motor case characterized by comprising shell, be fixed on the shell first end first end cover, with And it is fixed on the second end cover of the second end of the shell, in which:

2. motor case as described in claim 1, which is characterized in that the water channel hole is even number, each water channel hole Be connected in the first end water channel hole adjacent with one, and it is adjacent with another in the second end described in Water channel hole is connected.

3. motor case as described in claim 1, which is characterized in that the water channel hole and the adjacent water channel hole pass through waist Type hole is connected.

4. motor case as claimed in claim 3, which is characterized in that the motor case further includes welded plate, the welding Plate is welded in the end face of the shell, and blocks the waist-shaped hole.

5. motor case as described in claim 1, which is characterized in that the first end cover and the shell are integrally formed knot Structure.

6. motor case as claimed in claim 5, which is characterized in that the first end cover includes shaft supporting part, and connection The interconnecting piece of the shaft supporting part and the shell.

7. motor case as claimed in claim 6, which is characterized in that the interconnecting piece is radially to be distributed in the axis branch The rib of support part side, and the interconnecting piece is connect with the inner sidewall of the shell.

8. motor case as described in claim 1, which is characterized in that the second end cover couples with shell fastening.

9. motor case as described in claim 1, which is characterized in that the motor case further includes being set to the shell side Face and the inlet and outlet being connected to respectively from the different water channel holes.

10. a kind of motor, which is characterized in that including motor case as described in any one of claims 1 to 9.