TW202147744A - Motor and motor housing assembly - Google Patents

Abstract

The invention discloses a motor and a motor housing assembly. The motor comprise a motor housing assembly and a motor assembly. The motor housing assembly comprise a hollow outer housing, a hollow inner housing and two end covers. A first screw structure and a second screw structure are formed on the inner side of the hollow outer housing and the outer side of the hollow inner housing, respectively, and the hollow outer housing and the hollow inner housing can be locked with each other through the first screw structure and the second screw structure. When the hollow outer housing and the hollow inner housing be locked with each other through the first screw structure and the second screw structure, a spiral flow channel will be formed between the hollow outer housing and the hollow inner housing. The motor is arranged in the hollow inner housing. When the motor is in operation, the cooling fluid can enter the spiral flow channel from an inflow opening of the hollow outer housing, and the cooling fluid can exit from the outflow opening of the hollow outer housing so that the heat energy generated during the operation of the motor can be taken away by the cooling liquid.

Description

Motor and Motor Housing Assembly

The present invention relates to a motor and a motor housing assembly, in particular to a motor and a motor housing assembly that can pass through a cooling fluid.

Most of the existing common water cooling devices for motors are additionally arranged on the casing of the motor. During the actual installation process of such water cooling devices, problems such as manufacturing tolerances between the two types of water cooling devices often cause problems that cannot be smoothly assembled.

The present invention discloses a motor and a motor casing assembly, which are mainly used to improve the problems caused by the way of additionally disposing a water cooling device on the casing of the motor in the prior art.

One embodiment of the present invention discloses a motor, which includes: a motor housing assembly and a motor motor. The motor housing assembly includes: a hollow outer shell, a hollow inner shell and two end caps. An inner side surface of the hollow shell extends outward to form a first threaded structure, and both ends of the hollow shell are provided with an inflow inlet and an inflow outlet. An outer surface of the hollow inner shell extends outward to form a second threaded structure, the first threaded structure of the hollow outer shell and the second threaded structure of the hollow inner shell are mutually locked, and the inner side surface of the hollow outer shell, the first threaded structure, the hollow inner shell The outer side of the shell and the second threaded structure together form a spiral flow channel, the spiral flow channel, the inflow port and the outflow port are connected with each other, and the inflow port is used to provide a cooling liquid into the spiral flow channel, and the outflow port is used to provide a flow channel located in the spiral flow channel. The cooling liquid in the runner flows out. Two end caps are fixed on the two end faces of the hollow outer shell and the hollow inner shell, each end cap has a shaft hole; and a motor motor, which is arranged in the hollow inner shell, and the motor motor includes a stator assembly, a rotor assembly and a rotating shaft , the stator assembly is fixed on an inner side of the hollow inner shell, the rotor assembly and the rotating shaft are fixed to each other, and the two ends of the rotating shaft pass through two shaft holes; when the motor is energized, the rotor assembly and the rotating shaft can rotate relative to the stator assembly .

One of the embodiments of the present invention discloses a motor housing assembly, which includes: a hollow outer shell, a hollow inner shell and two end caps. An inner side surface of the hollow shell extends outward to form a first threaded structure, and both ends of the hollow shell are provided with an inflow inlet and an inflow outlet. An outer surface of the hollow inner shell extends outward to form a second threaded structure, the first threaded structure of the hollow outer shell and the second threaded structure of the hollow inner shell are mutually locked, and the inner side surface of the hollow outer shell, the first threaded structure, the hollow inner shell The outer side of the shell and the second threaded structure together form a spiral flow channel, the spiral flow channel, the inflow port and the outflow port are connected with each other, and the inflow port is used to provide a cooling liquid into the spiral flow channel, and the outflow port is used to provide a flow channel located in the spiral flow channel. The cooling liquid in the flow channel flows out; and two end covers are fixed on the two end faces of the hollow outer shell and the hollow inner shell, and each end cover has a shaft hole.

To sum up, the motor and motor housing assembly of the present invention, through the design of the hollow outer shell and its first threaded structure, the hollow inner shell and its second threaded structure, etc., will be useful in the process of manufacturing the motor, that is, correspondingly. To provide a spiral flow channel for the cooling fluid to flow, in this way, the problem that the water cooling device is additionally installed on the casing of the motor in the prior art can be easily prevented from being installed smoothly.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and accompanying drawings of the present invention, but these descriptions and drawings are only used to illustrate the present invention, rather than make any claims to the protection scope of the present invention. limit.

In the following description, if it is indicated to refer to a specific figure or as shown in a specific figure, it is only used for emphasis in the subsequent description, and most of the related content mentioned appears in the specific figure, However, it is not limited that only the specific drawings may be referred to in this subsequent description.

Please refer to FIG. 1 to FIG. 4 together. FIG. 1 and FIG. 2 are three-dimensional schematic views of the motor of the present invention from different viewing angles. FIGS. 3 and 4 are exploded schematic views of the motor of the present invention from different viewing angles. The motor 100 of the present invention includes a motor housing assembly 1 and a motor motor 2 . The motor housing assembly 1 includes: a hollow outer shell 11 , a hollow inner shell 12 and two end caps 13 .

An inner side surface 111 of the hollow shell 11 extends outward to form a first threaded structure 112 , and both ends of the hollow shell 11 have a flow inlet 113 and a flow outlet 114 . An outer side surface 121 of the hollow inner shell 12 extends outward to form a second threaded structure 122 . The first threaded structure 112 of the hollow outer shell 11 and the second threaded structure 122 of the hollow inner shell 12 are mutually locked.

The motor motor 2 is disposed in the hollow inner casing 12 , and the motor motor 2 includes a stator assembly 21 , a rotor assembly 22 and a rotating shaft 23 . The stator assembly 21 is fixed on an inner side surface 111 of the hollow inner casing 12 , and the rotor assembly 22 is connected to the rotating shaft 23 . The shafts 23 are fixed to each other. When the motor 2 is powered on, the rotor assembly 22 and the rotating shaft 23 can rotate relative to the stator assembly 21 . The manner in which the stator assembly 21 is fixed in the hollow inner shell 12 may be determined according to the form of the stator assembly 21 , for example, welding, tight fitting and pressing may be used. Wherein, the stator assembly 21 may be, for example, a structure including a plurality of silicon steel sheets, and a coil wound around the structure, and the rotor assembly 22 may be, for example, including a body and disposed on the body. Multiple permanent magnets in the body.

The two end caps 13 are fixed on both ends of the hollow outer shell 11 and the hollow inner shell 12 , one of the end caps 13 has a shaft hole 131 , and one end of the rotating shaft 23 passes through the shaft hole 131 . In a specific implementation, each end cover 13 may be fixed to each other with the hollow outer shell 11 and the hollow inner shell 12 by welding or the like, but it is not limited thereto. In addition, in special applications, the motor 100 may also not include the two end caps 13 .

Please refer to FIG. 5 to FIG. 7 together. FIG. 5 is a partial cross-sectional schematic view of the motor of the present invention, FIG. 6 is a side schematic view of FIG. 5 , and FIG. 7 is a cross-sectional schematic view of the motor of the present invention. After the hollow outer shell 11 and the hollow inner shell 12 are mutually locked by the first threaded structure 112 and the second threaded structure 122 , the inner side surface 111 of the hollow outer shell 11 , the first threaded structure 112 , the outer side surface 121 of the hollow inner shell 12 and the second threaded structure 122 The screw structures 122 together form a spiral flow channel S. The spiral flow channel S, the inflow port 113 and the outflow port 114 are communicated with each other. The cooling liquid in the spiral flow channel S flows out.

It is worth mentioning that, in order to facilitate the related equipment for providing cooling liquid and the related equipment for recovering cooling liquid, it can be better connected with the inflow port 113 and the outflow port 114, respectively, and the motor housing assembly 1 may also include two. There are two pipeline joints 3, two pipeline joints 3 are fixed (for example, by welding, etc.) to the hollow shell 11, and one pipeline joint 3 is connected with the inflow port 113, and the other pipeline joint 3 is connected with the flow inlet 113. The outlet 114 is connected.

In practical applications, as long as the cooling liquid can enter the spiral flow channel S through the inflow port 113, and the cooling liquid can flow out through the outflow port 114, the setting positions of the inflow port 113 and the outflow port 114 can be changed according to the requirements. Shown is just one exemplary aspect. In special applications, the hollow casing 11 may also include a plurality of inflow ports 113 and a plurality of outflow ports 114 , and the hollow casing 11 is not limited to a single inflow port 113 and a single outflow port 114 .

The width W1 and the depth H2 of the spiral flow channel S can be determined according to actual requirements (eg, the size and rotational speed of the motor 100 ), and are not limited herein. Preferably, in the embodiment in which the height of the spiral flow channel S is greater than 3 mm, and the width of the spiral flow channel S is greater than 5 mm, the cooling liquid entering the spiral flow channel S can effectively take away the motor 100. The heat energy generated during operation can greatly reduce the temperature of the motor 100 during operation.

In a preferred application, the height of the first threaded structure 112 relative to the outer side of the hollow casing 11 may be between 3 mm and 20 mm, and the width W2 of the first screw structure 112 may be between 2 mm The pitch of the first thread structure 112 may be between 5 mm and 100 mm; the height of the second thread structure 122 relative to the outer side of the hollow shell 11 may be between 3 mm and 20 mm. mm, the width of the second thread structure 122 may be between 2 mm and 10 mm, and the pitch of the second thread structure 122 may be between 5 mm and 100 mm.

According to the above, through the design of the first threaded structure 112 and the second threaded structure 122, the relevant assemblers can simply rotate the hollow outer shell 11 and the hollow inner shell 12 relative to each other when assembling the motor 100 of the present invention. A spiral flow channel S is formed between the hollow outer shell 11 and the hollow inner shell 12 . Of course, in order to improve the sealing performance of the spiral flow channel S, the joints existing between the interlocking hollow outer shell 11 and the hollow inner shell 12 can be welded by welding or the like; An elastic gasket (such as a commonly known O-ring) is arranged between 11 and the hollow inner shell 12 to improve the sealing performance of the spiral flow channel S.

Please refer to FIG. 3 , FIG. 4 , FIG. 6 and FIG. 7 together. FIG. 7 is a schematic cross-sectional view of the motor of the present invention taken along a section passing through the center of the rotating shaft. It should be added that the hollow shell 11 has a hollow channel 11A, and one end of the hollow shell 11 may extend toward the hollow channel 11A to form an annular end wall 115 , and the annular end wall 115 is used to limit the hollow inner shell. 12 is relative to the movable range of the hollow casing 11 through the second thread structure 122 and the first thread structure 112 . Through the design of the annular end wall 115, relevant personnel or mechanical equipment can feel whether the hollow inner shell 12 has pressed against the annular end wall 115 during the process of assembling the hollow outer shell 11 and the hollow inner shell 12, or, By judging whether the hollow inner shell 12 and the hollow outer shell 11 have been unable to rotate relative to each other, it is determined whether the hollow outer shell 11 and the hollow inner shell 12 have been locked together. Therein, in the embodiment in which the hollow housing 11 has an annular end wall 115 .

It is worth mentioning that, in the embodiment in which the hollow shell 11 has an annular end wall 115, one of the end caps 13 may be fixed to one side of the annular end wall 115; in addition, as shown in FIG. In a section of 100, the width H1 of the annular end wall 115 is greater than the depth H2 of the spiral flow channel S, and when the hollow outer shell 11 and the hollow inner shell 12 are locked with each other, the annular end wall 115 will form the spiral flow channel S. a part of.

In addition, in order to enable the rotating shaft 23 to rotate stably, in practical applications, the motor 100 may also include two bearing assemblies 4, and each end cover 13 may have a accommodating groove 132, and each bearing assembly 4 is Correspondingly fixed in the accommodating groove 132 . Both ends of the rotating shaft 23 are correspondingly fixed to the two bearing assemblies 4 . The bearing assembly 4 is, for example, a ball bearing, but not limited thereto.

To sum up, the motor and the motor housing assembly of the present invention can be easily formed outside the motor to provide cooling liquid through the design of the first threaded structure of the hollow outer shell and the second threaded structure of the hollow inner shell, etc. The flowing spiral flow channel will greatly improve the assembly efficiency of the motor.

The above descriptions are only preferred feasible embodiments of the present invention, which do not limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the protection scope of the present invention. .

100: Motor 1: Motor housing assembly 11: Hollow shell 111: inner side 112: The first thread structure 11A: Hollow channel 113: Inflow 114: Outlet 115: Annular end wall 12: Hollow inner shell 121: outer side 122: Second thread structure 13: End cap 131: Shaft hole 132: Container 2: motor motor 21: Stator Assembly 22: Rotor assembly 23: Rotary shaft 3: Pipe joints 4: Bearing assembly S: Spiral runner H1: width H2: depth W1: width W2: width

FIG. 1 and FIG. 2 are three-dimensional schematic views of the motor of the present invention from two different viewing angles.

FIG. 3 and FIG. 4 are exploded schematic views of the motor of the present invention from two different viewing angles.

FIG. 5 is a partial cross-sectional schematic diagram of the motor of the present invention.

FIG. 6 is a schematic side view of FIG. 5 .

7 is a schematic cross-sectional view of the motor of the present invention.

100: Motor

1: Motor housing assembly

11: Hollow shell

111: inner side

112: The first thread structure

115: Annular end wall

12: Hollow inner shell

121: outer side

122: Second thread structure

13: End cap

131: Shaft hole

132: Container

2: motor motor

21: Stator Assembly

22: Rotor assembly

23: Rotary shaft

3: Pipe joints

4: Bearing assembly

S: Spiral runner

Claims (10)

A motor comprising: A motor housing assembly comprising: a hollow casing, an inner side of the hollow casing extends outward to form a first threaded structure, and both ends of the hollow casing are provided with an inflow inlet and an inflow outlet; a hollow inner shell, an outer surface of the hollow inner shell extends outward to form a second threaded structure, the first threaded structure of the hollow outer shell and the second threaded structure of the hollow inner shell are mutually locked , and the inner side of the hollow outer shell, the first threaded structure, the outer side of the hollow inner shell and the second threaded structure together form a spiral flow channel. The inflow port and the outflow port are communicated with each other, and the inflow port is used for providing a cooling liquid into the spiral flow channel, and the outflow port is used for providing the cooling liquid in the spiral flow channel to flow out ;and two end caps, which are fixed on both end surfaces of the hollow outer shell and the hollow inner shell, one of the end caps has a shaft hole; and a motor motor, which is arranged in the hollow inner casing, the motor motor includes a stator assembly, a rotor assembly and a rotating shaft, the stator assembly is fixed on an inner side surface of the hollow inner casing, the rotor assembly The assembly and the rotating shaft are fixed to each other, and one end of the rotating shaft passes through the two shaft holes; when the motor is energized, the rotor assembly and the rotating shaft can rotate relative to the stator assembly. The motor of claim 1, wherein the hollow casing has a hollow passage, and one end of the hollow casing extends toward the hollow passage to form an annular end wall, and the annular end wall is used for The movable range of the hollow inner shell relative to the hollow outer shell through the second threaded structure and the first threaded structure is limited. The motor according to claim 2, wherein the motor further comprises two bearing assemblies, and each of the end covers has a accommodating groove, the accommodating groove is provided with one of the bearing assemblies, and two bearing assemblies of the rotating shaft are provided. The ends are fixed to each other with the two bearing assemblies. The motor of claim 2, wherein, in a section of the motor, the width of the annular side wall is greater than the width of the spiral flow channel, and the section passes through the center of the rotating shaft. The motor of claim 1, wherein the height of the first threaded structure relative to the outer side surface of the hollow housing is between 3 mm and 20 mm, and the width of the first threaded structure is between 3 mm and 20 mm. 2 mm to 10 mm, and the pitch of the first thread structure is between 5 mm and 100 mm; the height of the second thread structure relative to the outer side of the hollow shell is between 3 mm The width of the second thread structure is between 2 mm and 10 mm, and the pitch of the second thread structure is between 5 mm and 100 mm. A motor housing assembly comprising: a hollow casing, an inner side of the hollow casing extends outward to form a first threaded structure, and both ends of the hollow casing are provided with an inflow inlet and an inflow outlet; a hollow inner shell, an outer surface of the hollow inner shell extends outward to form a second threaded structure, the first threaded structure of the hollow outer shell and the second threaded structure of the hollow inner shell are mutually locked , and the inner side of the hollow outer shell, the first threaded structure, the outer side of the hollow inner shell and the second threaded structure together form a spiral flow channel. The inflow port and the outflow port are communicated with each other, and the inflow port is used for providing a cooling liquid into the spiral flow channel, and the outflow port is used for providing the cooling liquid in the spiral flow channel to flow out ;and Two end caps are fixed on both end surfaces of the hollow outer shell and the hollow inner shell, and one of the end caps has a shaft hole. The motor housing assembly of claim 6, wherein the hollow casing has a hollow passage, and one end of the hollow casing extends toward the hollow passage to form an annular end wall, the annular end The wall is used to limit the movable range of the hollow inner shell relative to the hollow outer shell through the second threaded structure and the first threaded structure. The motor housing assembly of claim 7, wherein the motor housing assembly further comprises two bearing assemblies, and each of the end caps has a receiving groove provided with one of the bearing assemblies. The motor housing assembly of claim 7, wherein, in a cross section of the motor housing assembly, the width of the annular side wall is greater than the width of the spiral flow channel. The motor housing assembly of claim 6, wherein the height of the first threaded structure relative to the outer side surface of the hollow housing is between 3 mm and 20 mm, and the height of the first threaded structure is between 3 mm and 20 mm. The width is between 2 mm and 10 mm, and the pitch of the first thread structure is between 5 mm and 100 mm; the height of the second thread structure relative to the outer side of the hollow shell is between 5 mm and 100 mm. At 3 mm to 20 mm, the width of the second thread structure is between 2 mm and 10 mm, and the pitch of the second thread structure is between 5 mm and 100 mm.

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