CN217607616U - Motor casing and motor with same - Google Patents

Abstract

The utility model discloses a motor housing and motor that has it, the motor includes: the cooling device comprises a machine shell main body, a cooling liquid channel and a cooling liquid channel, wherein the machine shell main body is internally provided with a cooling liquid channel, and an end face of at least one end of the cooling liquid channel in the axial direction of the machine shell main body is provided with a process opening; and the sealing ring is arranged on the axial end face of the at least one end of the machine shell main body and extends along the circumferential direction of the machine shell main body, and the sealing ring seals a process opening of the cooling liquid channel. According to the utility model discloses motor housing can form inclosed coolant liquid way, has advantages such as the leakproofness is high and the cooling effect is good.

Description

Motor casing and motor with same

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a motor housing and motor that has it is related to.

Background

Motor casing among the correlation technique is equipped with the coolant liquid way usually, lets in the coolant liquid way and cools off for the motor cools off, however, because the structure of motor casing among the correlation technique sets up unreasonablely, the leakproofness of coolant liquid way is relatively poor, can not form inclosed coolant liquid way, leads to motor casing's radiating efficiency lower, and motor cooling effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a motor housing, this motor housing can form inclosed coolant liquid way, has advantages such as the leakproofness is high and the cooling effect is good.

According to the utility model discloses still provide a motor that has above-mentioned motor housing.

In order to achieve the above object, according to the present invention, a motor casing is provided in an embodiment of a first aspect, including: the cooling device comprises a machine shell main body, a cooling liquid channel and a cooling liquid channel, wherein the machine shell main body is internally provided with a cooling liquid channel, and an end face of at least one end of the cooling liquid channel in the axial direction of the machine shell main body is provided with a process opening; and the sealing ring is arranged on the axial direction of the machine shell main body, the end face of at least one end of the sealing ring extends in the circumferential direction of the machine shell main body, and the sealing ring is closed when the process of the cooling liquid channel is opened.

According to the utility model discloses motor housing can form inclosed coolant liquid way, has advantages such as the leakproofness is high and the cooling effect is good.

According to some embodiments of the present invention, the end surfaces of the two ends of the cooling liquid channel in the axial direction of the casing main body are provided with the process openings; the sealing ring is a plurality of and include first sealing ring with the second sealing ring, first sealing ring with the second sealing ring is located the terminal surface at the axial ascending both ends of casing main part just seals the technology that corresponds uncovered.

According to some embodiments of the present invention, the end face of the at least one axial end of the casing main body is configured with a mounting groove extending along a circumferential direction thereof, the process opening is located at a bottom wall of the mounting groove, and the seal ring is mounted in the mounting groove.

According to some embodiments of the utility model, the degree of depth of mounting groove is 6mm ~ 9mm.

According to some embodiments of the invention, the sealing ring and the mounting groove are both configured in an open ring shape extending along a circumferential direction of the casing main body.

According to some embodiments of the utility model, the thickness of sealing ring is not more than the degree of depth of mounting groove, so that the sealing ring does not surpass the terminal surface of the casing main part in place.

According to some embodiments of the invention, the housing body comprises: the outer circumferential wall surrounds the outer side of the inner circumferential wall and is arranged at an interval with the inner circumferential wall, and the cooling liquid channel is formed between the outer circumferential wall and the inner circumferential wall; the partition rib is connected between the outer peripheral wall and the inner peripheral wall, the partition rib cuts off the cooling liquid channel in the circumferential direction of the machine shell main body, the outer peripheral wall is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively positioned at two sides of the partition rib in the circumferential direction of the machine shell main body, and the liquid inlet and the liquid outlet are respectively communicated with two ends of the cooling liquid channel in the circumferential direction of the machine shell main body; wherein, the sealing ring respectively with the periphery wall, interior perisporium and separate the muscle continuous.

According to some embodiments of the present invention, a plurality of first flow guiding ribs and a plurality of second flow guiding ribs are disposed in the cooling liquid channel, each of the first flow guiding ribs and each of the second flow guiding ribs are respectively connected to the outer circumferential wall and the inner circumferential wall, and the plurality of first flow guiding ribs and the plurality of second flow guiding ribs are alternately and alternately arranged in the circumferential direction of the casing main body; each first flow guide rib separates the cooling liquid channel at one axial end of the machine shell main body, and each first flow guide rib conducts the cooling liquid channel at the other axial end of the machine shell main body; each second flow guide rib separates the cooling liquid channel at the other axial end of the machine shell main body, and each second flow guide rib conducts the cooling liquid channel at one axial end of the machine shell main body; the sealing ring on the end face of one axial end of the casing main body is connected with the first flow guide rib, and the sealing ring on the end face of the other axial end of the casing main body is connected with the second flow guide rib.

According to some embodiments of the present invention, the inner peripheral surface of the casing main body is provided with a positioning key groove adapted to cooperate with the stator to fix the stator relative to the casing main body in the circumferential direction of the casing main body.

According to some embodiments of the invention, the housing body is integrally formed by hot extrusion.

According to some embodiments of the utility model, the outer peripheral face of casing main part is equipped with a plurality of strengthening ribs, every the strengthening rib is followed casing main part's axial extension, it is a plurality of the strengthening rib is followed casing main part's circumference interval sets up.

According to the utility model discloses a some embodiments, the terminal surface of strengthening rib is equipped with the mounting hole, the strengthening rib passes through the mounting hole is suitable for with the installation of motor end cover.

According to some embodiments of the utility model, the outer peripheral face of casing main part is equipped with fixed arch, fixed arch follows the axial extension of casing main part, fixed arch dorsad one side of casing main part is equipped with the suspension hole, fixed arch passes through the suspension hole is suitable for and is connected with the suspension of vehicle.

According to some embodiments of the invention, the depth of the suspension hole is greater than 16mm.

According to some embodiments of the present invention, the fixing protrusion is a plurality of and includes a first fixing protrusion and a second fixing protrusion, the first fixing protrusion and the second fixing protrusion are provided on the opposite sides of the casing main body in the radial direction.

According to some embodiments of the invention, the suspension hole is a plurality of spaced apart arrangements.

According to the utility model discloses a second aspect embodiment provides a motor, include: the motor casing according to the embodiment of the first aspect of the present invention; the motor end cover is installed on the end face of the machine shell main body, and the sealing ring is located between the motor end cover and the machine shell main body.

According to the utility model discloses a motor of second aspect embodiment, through utilizing according to the utility model discloses a motor housing of first aspect embodiment can form inclosed coolant liquid way, has advantages such as the leakproofness is high and the cooling effect is good.

According to some embodiments of the present invention, the motor further comprises: the end face of the machine shell main body in the axial direction is provided with a positioning pin hole, and the positioning pin penetrates through the motor end cover and is inserted into the positioning pin hole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a motor casing according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the motor housing according to the embodiment of the present invention.

Fig. 3 is a schematic view of another structure of the motor casing according to the embodiment of the present invention.

Fig. 4 is an exploded view of a motor housing according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a motor housing according to an embodiment of the invention.

Fig. 6 is another cross-sectional view of a motor housing according to an embodiment of the invention.

Fig. 7 is a schematic flow diagram of a cooling fluid of a motor casing according to an embodiment of the present invention.

Reference numerals:

a motor shell 1,

The cooling structure comprises a machine shell main body 100, a cooling liquid channel 110, a first flow guide rib 111, a second flow guide rib 112, a partition rib 113, a technical opening 120, a mounting groove 130, an outer circumferential wall 140, a liquid inlet 141, a liquid outlet 142, an inner circumferential wall 150, a positioning key groove 160, a reinforcing rib 170, a mounting hole 171, a fixing protrusion 180, a first fixing protrusion 181, a second fixing protrusion 182, a suspending hole 183, a positioning pin hole 190, a second fixing protrusion,

Seal ring 200, first seal ring 210, second seal ring 220.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

The following describes a motor case 1 according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 7, a motor casing 1 according to an embodiment of the present invention includes a casing main body 100 and a seal ring 200.

The casing main body 100 is configured with a cooling liquid channel 110, an end face of at least one end of the cooling liquid channel 110 in the axial direction of the casing main body 100 is provided with a process opening 120, a sealing ring 200 is mounted on the end face of at least one end of the casing main body 100 in the axial direction and extends along the circumferential direction of the casing main body 100, and the sealing ring 200 closes the process opening 120 of the cooling liquid channel 110.

Wherein the seal ring 200 may be coupled with the cabinet main body 100 by welding, for example, friction welding. Wherein, the utility model discloses motor casing 1 can be the casing of generator or driving motor's casing.

According to the utility model discloses motor shell 1 through having constructed coolant liquid way 110 in casing main part 100, can let in the coolant liquid way 110, the coolant liquid can with for casing main part 100 carries out the heat transfer, and then can make the heat that the motor produced at the during operation dispel fast, is favorable to improving the radiating efficiency of motor, makes the temperature of motor lower, and the motor can normally work.

In addition, the end face of at least one axial end of the cooling liquid channel 110 on the casing main body 100 is provided with the process opening 120, the end face of the cooling liquid channel 110 can be opened by arranging the process opening 120, namely, the cooling liquid channel 110 is exposed outside, the cooling liquid channel 110 can be directly observed through the process opening 120, so that the structure of the cooling liquid channel 110 on the casing main body 100 is facilitated to be simplified, the cooling liquid channel 110 is prevented from being completely hidden in the casing main body 100, the cooling liquid channel 110 is convenient to machine and form, the structure of the casing main body 100 is further simpler, and the machining is more convenient.

In addition, the seal ring 200 is installed on the end surface of the at least one end of the casing main body 100 in the axial direction and extends along the circumferential direction of the casing main body 100, the seal ring 200 seals the process opening 120 of the cooling liquid channel 110, that is, the process opening 120 may be provided at one end of the casing main body 100 in the axial direction and the process opening 120 is not provided at the other end, and the seal ring 200 seals the end of the casing main body 100 where the process opening 120 is provided; or, the process openings 120 are disposed at both axial ends of the casing main body 100, the number of the seal rings 200 is required to correspond to the number of the process openings 120, and the seal rings 200 can seal the process openings 120 at both ends of the casing main body 100, so that the cooling fluid passage 110 can be a closed structure.

From this, the coolant liquid in the coolant liquid way 110 can not follow the uncovered 120 outflow of technology, the coolant liquid can be at coolant liquid way 110 inner loop flow, so that the coolant liquid flow in the coolant liquid way 110 is sufficient, the cooling effect is better, the coolant liquid of capacity can be cooled down the motor fully, even if the motor runs for a long time under the higher operating mode of production of heat, the motor also can carry out the heat transfer with the coolant liquid in the coolant liquid way 110 fast, ensure that the temperature of motor can be lower, the generating efficiency of motor is higher.

Therefore, according to the utility model discloses motor housing 1 can form airtight coolant liquid way 110, has advantages such as the leakproofness is high and the cooling effect is good.

In some embodiments of the present invention, as shown in fig. 1 to 4, the end surfaces of the cooling liquid channel 110 at both ends in the axial direction of the casing main body 100 are provided with the process openings 120; the sealing rings 200 are plural and include a first sealing ring 210 and a second sealing ring 220, and the first sealing ring 210 and the second sealing ring 220 are respectively disposed on end surfaces of two ends of the casing main body 100 in the axial direction and close the corresponding process openings 120.

Like this, the cooling liquid channel 110 can run through the casing main body 100 along the axial direction of the casing main body 100, the structure of the casing main body 100 is further simplified, and the processing is convenient, for example, the casing main body 100 can be extruded and formed by adopting a hot extrusion mode, and the first sealing ring 210 and the second sealing ring 220 respectively seal the process openings 120 at the two axial ends of the casing main body 100, so that the sealing performance of the cooling liquid channel 110 is higher, the overflow of the cooling liquid in the cooling liquid channel 110 is avoided, and the heat dissipation effect of the motor casing 1 is better.

In some embodiments of the present invention, as shown in fig. 1 to 4, an end surface of at least one end of the casing main body 100 in the axial direction is configured with a mounting groove 130 extending along a circumferential direction thereof, the technical opening 120 is located at a bottom wall of the mounting groove 130, and the sealing ring 200 is mounted at the mounting groove 130.

Through setting up mounting groove 130, can carry out prepositioning to sealing ring 200 on the one hand, be favorable to simplifying the assembly of sealing ring 200, it is more convenient to assemble, on the other hand can provide the space of assembly sealing ring 200, be convenient for fix a position sealing ring 200 fixedly, with the joint strength who improves sealing ring 200 and casing main part 100, the connection reliability is higher, and then reinforcing sealing ring 200 is to the sealed effect of coolant liquid way 110, the leakproofness of coolant liquid way 110 is higher.

In some embodiments of the present invention, the depth of the mounting groove 130 is 6mm to 9mm.

Here, the depth of the mounting groove 130 refers to a dimension of the mounting groove 130 extending in the axial direction of the cabinet main body 100, and for example, the depth of the mounting groove 130 may be 6mm, 7mm, 8mm, or 9mm.

Like this, on the one hand can avoid the depth dimension undersize of mounting groove 130, so that sealing ring 200 can assemble completely in mounting groove 130, increase sealing ring 200 and mounting groove 130's area of contact, be favorable to improving mounting groove 130 and sealing ring 200's joint strength, sealing ring 200 is fixed more reliably, sealing ring 200 is better to the sealed effect of coolant liquid way 110, on the other hand can avoid the depth dimension oversize of mounting groove 130, the space that mounting groove 130 occupied in the axial of casing main part 100 can be less, and then make coolant liquid way 110 can be great at the ascending size of the axial of casing main part 100, the volume of coolant liquid way 110 can be bigger, coolant liquid way 110 can hold more coolant liquids, further the radiating effect of motor machine has been improved.

In some embodiments of the present invention, as shown in fig. 1 to 4, the seal ring 200 and the mounting groove 130 are each configured in an open loop shape extending in the circumferential direction of the casing main body 100.

Here, the open ring shape means that the seal ring 200 and the mounting groove 130 extend in a ring shape, and the seal ring 200 and the mounting groove 130 are broken in the circumferential direction of the case main body 100, i.e., the seal ring 200 and the mounting groove 130 have openings in the circumferential direction of the case main body 100.

It is understood that the mounting groove 130 may disconnect the end wall of the one end of the casing main body 100 in the radial direction of the casing main body 100, and by providing the mounting groove 130 in an open ring shape, the end wall of the one end of the casing main body 100 may be connected together at the disconnection of the mounting groove 130, which is advantageous for improving the structural strength of the casing main body 100, and the casing main body 100 is not easily deformed.

In addition, the sealing ring 200 is also arranged to be in an open ring shape, so that the rigidity of the sealing ring 200 can be properly reduced, and the sealing ring 200 can be elastically deformed, so that the sealing ring 200 can compensate for processing errors through deformation, even if assembly errors exist between the sealing ring 200 and the mounting groove 130, the sealing ring 200 can be easily assembled in the mounting groove 130, the sealing ring 200 can be tightly attached to the bottom wall of the mounting groove 130, and the sealing effect of the sealing ring 200 on the cooling liquid channel 110 is further improved. Also, it is possible to have a fool-proof effect on the fit between the sealing ring 200 and the mounting groove 130.

In some embodiments of the present invention, as shown in fig. 1, the thickness of the sealing ring 200 is not greater than the depth of the mounting groove 130, so that the sealing ring 200 does not exceed the end surface of the casing main body 100.

For example, one side of the sealing ring 200 facing away from the cooling liquid channel 110 may be flush with the end surface of the casing main body 100, so as to keep the exterior of the casing main body 100 flat, and prevent the casing main body 100 from accumulating dust at the mounting groove 130, and the sealing ring 200 may be covered by the mounting groove 130 to a greater extent, so as to prevent the sealing ring 200 from extending out of the mounting groove 130, further improve the connection strength between the sealing ring 200 and the mounting groove 130, and further improve the reliability of the fixation of the sealing ring 200, and the sealing effect is better, and the mounting space required in the axial direction of the motor casing 1 is the same as the mounting space required in the axial direction of the casing main body 100, which is beneficial to the miniaturization of the motor casing.

In some embodiments of the present invention, as shown in fig. 1 to 4, the casing main body 100 includes an outer circumferential wall 140, an inner circumferential wall 150, and a partition rib 113.

The outer circumferential wall 140 surrounds the outer side of the inner circumferential wall 150 and is arranged at an interval with the inner circumferential wall 150, the cooling liquid channel 110 is formed between the outer circumferential wall 140 and the inner circumferential wall 150, the partition rib 113 is connected between the outer circumferential wall 140 and the inner circumferential wall 150, the partition rib 113 disconnects the cooling liquid channel 110 in the circumferential direction of the casing main body 100, the outer circumferential wall 140 is provided with a liquid inlet 141 and a liquid outlet 142, the liquid inlet 141 and the liquid outlet 142 are respectively located at two sides of the partition rib 113 in the circumferential direction of the casing main body 100, and the liquid inlet 141 and the liquid outlet 142 are respectively communicated with two ends of the cooling liquid channel 110 in the circumferential direction of the casing main body 100. Wherein the sealing ring 200 is connected to the outer circumferential wall 140, the inner circumferential wall 150 and the partition ribs 113, respectively.

That is, the partition rib 113 partitions the cooling liquid channel 110, the cooling liquid cannot flow through the partition rib 113, and the cooling liquid enters the cooling liquid channel 110 through the liquid inlet 141, flows in a direction away from the partition rib 113, flows along the circumferential direction of the casing main body 100 for one circle, and then flows out through the liquid outlet 142.

Through setting up inlet 141 and liquid outlet 142, be convenient for to annotate the coolant liquid in the coolant liquid way 110 with, and can change the coolant liquid in the coolant liquid way 110, like this, both can guarantee that the coolant liquid flow in the coolant liquid way 110 is sufficient, can also be with coolant liquid discharge coolant liquid way 110, and then discharge motor casing 1 rapidly through the heat that the coolant liquid produced the motor, and, can carry microthermal coolant liquid again in to coolant liquid way 110 by inlet 141, the cryogenic coolant liquid can carry out the heat transfer cooling to the motor better, the cooling efficiency of motor has been improved further, in order to reach and last radiating effect.

In addition, through setting up the partition muscle 113, avoided the coolant liquid to flow to the liquid outlet 142 by inlet 141 directly, the coolant liquid just can flow out through the liquid outlet 142 after need flowing longer route along coolant liquid way 110, so that the coolant liquid in coolant liquid way 110 can be discharged coolant liquid way 110 after carrying out abundant heat transfer with the motor, heat exchange efficiency is higher, the cooling effect is better, and be favorable to reducing the power loss that the drive coolant liquid flows, furthermore, it can also connect periphery wall 140 and interior periphery wall 150 to separate muscle 113, be favorable to improving the joint strength of interior periphery wall 150 and periphery wall 140 of casing main body 100, make the structural strength of casing main body 100 higher.

For example, the angle between the liquid outlet 142 and the separating rib 113 is smaller than 90 °, and the angle between the liquid inlet 141 and the separating rib 113 is smaller than 90 °.

In some embodiments of the present invention, as shown in fig. 5 to 7, a plurality of first flow guiding ribs 111 and a plurality of second flow guiding ribs 112 are disposed in the cooling liquid channel 110.

Each first flow guiding rib 111 and each second flow guiding rib 112 are respectively connected with the outer circumferential wall 140 and the inner circumferential wall 150, and the plurality of first flow guiding ribs 111 and the plurality of second flow guiding ribs 112 are alternately arranged in the circumferential direction of the casing main body 100 at intervals.

Each first flow guide rib 111 separates the cooling liquid channel 110 at one axial end of the casing main body 100, and each first flow guide rib 111 conducts the cooling liquid channel 110 at the other axial end of the casing main body 100; each second air guide rib 112 partitions the cooling liquid passage 110 at the other axial end of the casing main body 100, and each second air guide rib 112 communicates the cooling liquid passage 110 at one axial end of the casing main body 100.

The seal ring 200 located at the end face of one axial end of the casing main body 100 is connected to the first guide rib 111, and the seal ring 200 located at the end face of the other axial end of the casing main body 100 is connected to the second guide rib 112.

For example, the first guiding rib 111 and the second guiding rib 112 may extend along the axial direction of the casing main body 100.

Therefore, the cooling liquid can enter the cooling liquid channel 110 from the liquid inlet 141, the cooling liquid flows to the other axial end of the casing main body 100 along the extending direction of the first flow guiding rib 111, then the cooling liquid flows to the second flow guiding rib 112 along the circumferential direction of the casing main body 100, and flows to the one axial end of the casing main body 100 along the extending direction of the second flow guiding rib 112, then the cooling liquid flows to the first flow guiding rib 111 along the circumferential direction of the casing main body 100, and flows to the other axial end of the casing main body 100 along the extending direction of the first flow guiding rib 111, and circulates in sequence until the cooling liquid flows to the liquid outlet 142, and the cooling liquid channel 110 is discharged, so that the cooling liquid flows in a zigzag manner in the cooling liquid channel 110, the first flow guiding rib 111 and the second flow guiding rib 112 can guide the flow of the cooling liquid, so that the cooling liquid in the cooling liquid channel 110 flows more smoothly, and the flow path of the cooling liquid in the cooling liquid channel 110 can be prolonged, so that the cooling liquid can be discharged after heat exchange sufficiently and the motor can have higher power generation efficiency and lower power generation efficiency, and lower motor power consumption.

In some embodiments of the present invention, as shown in fig. 4, the inner circumferential surface of the casing main body 100 is provided with a positioning key groove 160.

The positioning key groove 160 is adapted to cooperate with the stator to fix the relative position of the stator and the casing main body 100 in the circumferential direction of the casing main body 100. Wherein, location keyway 160 can be set up by the inner peripheral surface depression of casing main part 100, can prevent through location keyway 160 and stator cooperation that the stator from rotating for casing main part 100, and then fixes the stator of motor, prevents that the stator is not hard up and ensures the installation angle of stator.

For example, the positioning key groove 160 is provided at the opening of the seal ring 200 in the circumferential direction of the case main body 100.

In some embodiments of the present invention, the casing main body 100 is integrally formed by hot extrusion.

Therefore, the processing technology of the casing main body 100 can be simplified, the processing and manufacturing of the casing main body 100 are facilitated, the structural strength of the casing main body 100 is improved, the casing main body 100 is not prone to deformation, and the service life of the motor casing 1 is prolonged. In addition, can carry out heat treatment to casing main part 100 after casing main part 100 extrusion, make its structure compacter, avoid casing main part 100 to appear loose gas pocket or press from both sides the sediment phenomenon, be favorable to improving the leakproofness of casing main part 100, avoid casing main part 100 to leak water or gas leakage.

In some embodiments of the present invention, as shown in fig. 1 to 4, the outer circumferential surface of the casing main body 100 is provided with a plurality of reinforcing ribs 170, each reinforcing rib 170 extends along the axial direction of the casing main body 100, and the plurality of reinforcing ribs 170 are arranged at intervals along the circumferential direction of the casing main body 100.

For example, the reinforcing rib 170 may be integrally formed with the casing main body 100, and the reinforcing rib 170 may further improve the structural strength of the casing main body 100, thereby more effectively avoiding the deformation of the casing main body 100 and being beneficial to prolonging the service life of the casing main body 100.

In some embodiments of the present invention, as shown in fig. 1-4, the end surface of the reinforcing rib 170 is provided with a mounting hole 171, and the reinforcing rib 170 is suitable for being mounted with the motor end cover through the mounting hole 171.

The reinforcing ribs 170 protrude from the outer peripheral surface of the casing main body 100, that is, the thickness of the side wall of the casing main body 100 at the position where the reinforcing ribs 170 are provided is thicker, on one hand, a sufficient space can be provided for processing the mounting hole 171, the motor casing 1 can be bolted with the motor end cover through the mounting hole 171, so that the motor casing 1 can be stably connected with the motor end cover, on the other hand, the structural strength of the casing main body 100 at the position near the mounting hole 171 can be improved, and the casing main body 100 is prevented from cracking or deforming near the mounting hole 171.

In some embodiments of the present invention, as shown in fig. 1-4, the outer peripheral surface of the casing main body 100 is provided with a fixing protrusion 180, the fixing protrusion 180 extends along the axial direction of the casing main body 100, one side of the fixing protrusion 180, which faces away from the casing main body 100, is provided with a suspension hole 183, and the fixing protrusion 180 is adapted to be connected to the suspension for mounting the casing main body 100 of the vehicle through the suspension hole 183.

Through setting up stationary hump 180, casing main body 100 is thicker at the wall thickness of stationary hump 180 department, has also increased the thickness of casing main body 100 at the lateral wall of stationary hump 180 department, processing space is provided for suspension hole 183, and, set up suspension hole 183 and can reserve connection space for the suspension of vehicle, motor casing 1 can be connected fixedly through the suspension of bolt with the vehicle, and can make the position of motor remain stable through being connected motor casing 1 with the suspension of vehicle, make the generator can long-time steady operation.

Further, the degree of depth of suspension hole 183 is greater than 16mm, the length that the bolt stretched into in the suspension hole 183 can be longer like this, the bolt is bigger with the inner wall area of contact of suspension hole 183, be favorable to improving the vehicle be used for installing the suspension of casing main part 100 and the joint strength between the motor, avoid the suspension and the junction emergence fracture of fixed arch 180, it is more reliable and more stable to make the connection between the suspension of motor casing 1 and vehicle, the fixed effect of motor is better, the operation is more stable.

In some embodiments of the present invention, as shown in fig. 1 to 4, the fixing protrusion 180 is multiple and includes a first fixing protrusion 181 and a second fixing protrusion 182, and the first fixing protrusion 181 and the second fixing protrusion 182 are disposed on two opposite sides of the casing main body 100 in the radial direction.

Wherein, the first fixing protrusion 181 and the second fixing protrusion 182 are both provided with a suspension hole 183, that is, the radially opposite sides of the casing main body 100 are both provided with a suspension hole 183, and both the radially opposite sides of the casing main body 100 can be fixedly connected with the suspension for mounting the casing main body 100 of the vehicle, so as to further improve the connection strength between the casing main body 100 and the suspension, avoid the casing main body 100 from deflecting to one side of the radial direction thereof, and fix the casing main body 100 more stably.

In some embodiments of the present invention, as shown in fig. 3 and 4, the suspending holes 183 are spaced apart from each other, and the suspending holes 183 are arranged in a triangle.

In this way, the casing main body 100 can be connected with the suspension of the vehicle for installing the casing main body 100 through a plurality of bolts, the connection strength between the motor casing 1 and the suspension is higher, and the plurality of suspension holes 183 can be distributed into two or more rows arranged along the circumferential direction of the casing main body 100, and the suspension holes 183 in different rows can be staggered in the axial direction of the casing main body 100, so that the connection between the motor casing 1 and the suspension can bear loads in different directions, and the connection reliability of the motor is further improved.

In the following, an electric motor according to an embodiment of the invention is described with reference to the drawings, the electric motor comprising a motor housing 1 and a motor end cap according to the above-described embodiment of the invention. The motor can be a generator or a driving motor.

The motor end caps are mounted to the end surfaces of the casing main body 100, and the seal rings 200 are located between the motor end caps and the casing main body 100, wherein the motor end caps may be mounted to the end surfaces of both ends in the axial direction of the casing main body 100.

Therefore, the sealing ring 200 can be clamped between the motor end cover and the casing main body 100, the connection stability of the sealing ring 200 and the casing main body 100 is further improved, the sealing ring 200 is prevented from being separated from the casing main body 100, and the sealing effect of the sealing ring 200 on the cooling liquid channel 110 is better.

According to the utility model discloses motor, through utilizing according to the utility model discloses motor housing 1 of above-mentioned embodiment can form inclosed coolant liquid way 110, has advantages such as the leakproofness is high and the cooling effect is good.

In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the motor further includes a positioning pin, the end surface of the casing main body 100 is provided with a positioning pin hole 190, and the positioning pin passes through the motor end cover and is inserted into the positioning pin hole 190.

Through locating pin and the cooperation of locating pin hole 190, can carry out prepositioning to motor housing 1 and motor end cover, avoid motor end cover and motor housing 1 to take place relative rotation, be convenient for fix a position motor end cover and motor housing 1 when motor end cover and motor housing 1 assemble, be favorable to simplifying the assembly procedure, it is more convenient to install.

Other configurations and operations of the motor housing 1 and the motor having the same according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (18)

1. An electric machine housing, comprising:

the cooling device comprises a machine shell main body, a cooling liquid channel and a cooling liquid channel, wherein the machine shell main body is internally provided with a cooling liquid channel, and an end face of at least one end of the cooling liquid channel in the axial direction of the machine shell main body is provided with a process opening;

and the sealing ring is arranged on the axial end face of the at least one end of the machine shell main body and extends along the circumferential direction of the machine shell main body, and the sealing ring seals a process opening of the cooling liquid channel.

2. The motor casing according to claim 1, wherein end faces of both ends of the cooling liquid passage in an axial direction of the casing main body each have the process opening;

the sealing rings are multiple and comprise a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring are respectively arranged on the end faces of the two ends of the machine shell main body in the axial direction and seal corresponding process openings.

3. The motor casing according to claim 1, wherein an end surface of at least one end of the casing main body in the axial direction is configured with a mounting groove extending along a circumferential direction thereof, the open-end is located at a bottom wall of the mounting groove, and the seal ring is mounted to the mounting groove.

4. The motor case of claim 3, wherein the depth of the mounting groove is 6mm to 9mm.

5. The motor casing of claim 4, wherein the sealing ring and the mounting groove are each configured in an open ring shape extending in a circumferential direction of the casing main body.

6. The motor casing of claim 3, wherein the thickness of the sealing ring is not greater than the depth of the mounting groove, so that the sealing ring does not extend beyond the end face of the casing main body.

7. The motor casing of claim 1, wherein the casing main body comprises:

the outer peripheral wall surrounds the outer side of the inner peripheral wall and is arranged at an interval with the inner peripheral wall, and the cooling liquid channel is formed between the outer peripheral wall and the inner peripheral wall;

the partition rib is connected between the outer peripheral wall and the inner peripheral wall, the partition rib cuts off the cooling liquid channel in the circumferential direction of the machine shell main body, the outer peripheral wall is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively positioned at two sides of the partition rib in the circumferential direction of the machine shell main body, and the liquid inlet and the liquid outlet are respectively communicated with two ends of the cooling liquid channel in the circumferential direction of the machine shell main body;

wherein, the sealing ring respectively with the periphery wall, interior perisporium and separate the muscle continuous.

8. The motor casing of claim 7, wherein a plurality of first air-guiding ribs and a plurality of second air-guiding ribs are disposed in the cooling liquid channel, each of the first air-guiding ribs and each of the second air-guiding ribs are respectively connected to the outer circumferential wall and the inner circumferential wall, and the plurality of first air-guiding ribs and the plurality of second air-guiding ribs are alternately and alternately arranged in the circumferential direction of the casing main body;

each first flow guide rib separates the cooling liquid channel at one axial end of the machine shell main body, and each first flow guide rib conducts the cooling liquid channel at the other axial end of the machine shell main body;

each second flow guide rib separates the cooling liquid channel at the other axial end of the machine shell main body, and each second flow guide rib conducts the cooling liquid channel at one axial end of the machine shell main body;

the sealing ring of the end face of one end in the axial direction of the casing main body is connected with the first diversion rib, and the sealing ring of the end face of the other end in the axial direction of the casing main body is connected with the second diversion rib.

9. The motor casing according to claim 1, wherein an inner peripheral surface of the casing main body is provided with a positioning key groove adapted to cooperate with the stator to fix a relative position of the stator and the casing main body in a circumferential direction of the casing main body.

10. The motor casing of claim 1, wherein the casing body is integrally formed by hot extrusion.

11. The motor casing of claim 1, wherein the outer circumferential surface of the casing main body is provided with a plurality of reinforcing ribs, each of the reinforcing ribs extends in the axial direction of the casing main body, and the plurality of reinforcing ribs are provided at intervals in the circumferential direction of the casing main body.

12. The motor casing of claim 11, wherein the end face of the reinforcing rib is provided with a mounting hole, and the reinforcing rib is adapted to be mounted with the motor end cover through the mounting hole.

13. The motor casing of claim 1, wherein the casing main body is provided at an outer circumferential surface thereof with a fixing protrusion extending in an axial direction of the casing main body, and a side of the fixing protrusion facing away from the casing main body is provided with a suspension hole through which the fixing protrusion is adapted to be coupled with a suspension of a vehicle.

14. The motor housing of claim 13, wherein the depth of the suspension hole is greater than 16mm.

15. The motor casing of claim 13, wherein the fixing protrusions are plural and include a first fixing protrusion and a second fixing protrusion, and the first fixing protrusion and the second fixing protrusion are disposed on two opposite sides of the casing main body in a radial direction.

16. The motor casing of claim 13, wherein the suspending hole is a plurality of holes arranged at intervals.

17. An electric machine, comprising:

the motor housing of any one of claims 1-16;

the motor end cover is arranged on the end face of the machine shell main body, and the sealing ring is located between the motor end cover and the machine shell main body.

18. The electric machine of claim 17, further comprising:

the end face of the machine shell main body is provided with a positioning pin hole, and the positioning pin penetrates through the motor end cover and is inserted into the positioning pin hole.

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