CN215601143U

CN215601143U - Motor housing and motor with same

Info

Publication number: CN215601143U
Application number: CN202120952797.0U
Authority: CN
Inventors: 黄建浩; 王书奇; 何朝辉
Original assignee: Jiangmen Lusituo Motor Electric Appliance Co ltd
Current assignee: Jiangmen Lusituo Motor Electric Appliance Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-21
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a motor shell and a motor with the same, wherein the motor shell comprises: the side wall and the bottom of the front shell are both provided with first heat dissipation holes, the bottom of the front shell is provided with a first shaft hole for mounting a spherical bearing, and the top of the front shell is provided with a first mounting plate which is bent outwards along the radial direction; the side wall and the bottom of the rear shell are both provided with second heat dissipation holes, the side wall is also provided with wire outlet holes, the bottom of the rear shell is provided with second shaft holes for mounting the spherical bearing, the top of the rear shell is provided with a second mounting plate matched with the first mounting plate, the second mounting plate is bent outwards along the radial direction, and the first mounting plate and the second mounting plate are detachably connected; wherein, the first shaft hole and the second shaft hole are provided with a gland used for fixing the spherical bearing. The utility model provides a motor shell and a motor with the same, which can be beneficial to the operation and heat dissipation of the motor and improve the operation stability of the motor, so that the stability of the motor shell is improved to be suitable for a range hood.

Description

Motor housing and motor with same

Technical Field

The utility model relates to the technical field of motor equipment, in particular to a motor shell and a motor with the same.

Background

Under the condition that loads of some household appliances are high, the temperature of a motor shell is easily increased by heat generated by a motor, the performance of the motor shell in the related technology cannot meet the high load of the household appliances, the heat dissipation performance and the stability of the motor shell are insufficient, the motor shell is deformed due to overhigh temperature, and the motor is burnt.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the motor shell and the motor with the motor shell, which can be beneficial to the operation and heat dissipation of the motor and improve the operation stability of the motor, so that the stability of the motor shell is improved to be suitable for high-load electrical appliances.

In a first aspect, an embodiment of the present invention provides a motor housing, where the motor housing includes: the bearing comprises a front shell and a rear shell, wherein the side wall and the bottom of the front shell are both provided with first heat dissipation holes, the bottom of the front shell is provided with a first shaft hole for mounting a spherical bearing, and the top of the front shell is provided with a first mounting plate bent outwards along the radial direction; the side wall and the bottom of the rear shell are both provided with second heat dissipation holes, the side wall is also provided with wire outlet holes, the bottom of the rear shell is provided with second shaft holes for mounting spherical bearings, the top of the rear shell is provided with a second mounting plate matched with the first mounting plate, the second mounting plate is bent outwards along the radial direction, and the first mounting plate is detachably connected with the second mounting plate; and the first shaft hole and the second shaft hole are respectively provided with a gland used for fixing the spherical bearing.

According to the motor housing provided by the embodiment of the utility model, at least the following beneficial effects are achieved: first louvre has been seted up to the lateral wall and the bottom of preceding shell, and the backshell matches with preceding shell, and the second louvre has also been seted up to the lateral wall and the bottom of backshell, reaches comprehensive heat dissipation, improves motor housing's thermal diffusivity. Preceding shell is equipped with first mounting panel, and the backshell is equipped with assorted second mounting panel, is connected the installation of being connected of shell and backshell before realizing through first mounting panel and second mounting panel, and first mounting panel and second mounting panel be for dismantling to be connected, and convenient to detach and installation motor improve dismouting efficiency. First shaft hole and second shaft hole have been seted up respectively to preceding shell and backshell, and first shaft hole and second shaft hole all are used for installing spherical bearing, and there is the gland in the top in first shaft hole and second shaft hole, and first shaft hole and second shaft hole cooperate the installation with the gland respectively, fixed spherical bearing, the operation direction of restriction motor bearing avoids the motor to shift at the operation in-process, and the motor contacts with motor housing, leads to the motor collision to damage, causes the accident. Therefore, the motor shell can help the motor to operate and dissipate heat, and the stability of the motor operation is improved, so that the stability of the motor shell is improved, and the motor shell is suitable for high-load electrical appliances such as a range hood.

According to some embodiments of the utility model, the top of the gland is provided with a bearing positioning hole for limiting the spherical bearing, the side wall of the bearing positioning hole is bent upwards along the axial direction, and the bottom of the gland is provided with a fixing edge extending outwards along the radial direction, so that the fixing effect of the gland is improved.

According to some embodiments of the utility model, the front shell and the rear shell are both provided with clamping structures for fixing the gland, each clamping structure comprises a clamping plate for fixing the fixing edge, and the clamping plates are arranged on the outer sides of the first shaft hole and the second shaft hole, so that the stability of fixing the gland is improved.

According to some embodiments of the present invention, the bottom of the front housing is provided with a first collar for mounting a ball bearing, the first shaft hole is provided in the first collar, and the first collar includes a sloped wall extending obliquely upward along the first shaft hole and a ring wall extending from the sloped wall to the first shaft hole; the bottom of the rear shell is provided with a second convex ring corresponding to the first convex ring, and the second shaft hole is formed in the second convex ring, so that the running stability of the motor is improved.

According to some embodiments of the utility model, the bearing clamp is arranged in the gland and comprises six elastic gaskets which are uniformly distributed in a circular shape, one end of each elastic gasket close to the axis is provided with a protruding part for limiting the spherical bearing, one end of each elastic gasket far away from the axis extends upwards and slantwise along the radial direction, and the six elastic gaskets are hollow inside and improve the supporting force for the motor.

According to some embodiments of the utility model, a bearing gasket for absorbing lubricant is further arranged in the gland, and the bearing gasket is matched with the bearing clamp, so that the running stability of the motor is improved.

According to some embodiments of the utility model, the first mounting plate is provided with a first screw hole, the second mounting plate is provided with a second screw hole matched with the second screw hole, and the first mounting plate is in bolt connection with the second mounting plate through the first screw hole and the second screw hole, so that the stability of the motor shell is improved.

According to some embodiments of the utility model, the bottom of the front shell and the bottom of the rear shell are both provided with connecting holes for mounting the motor, the two sides of the connecting holes are also provided with limiting holes for fixing connecting screws, and the limiting holes are communicated with the connecting holes, so that the running stability of the motor is improved.

According to some embodiments of the utility model, the positioning strips for limiting the motor are arranged on the inner sides of the side walls of the front shell and the rear shell, so that the fixing effect of the motor shell on the motor is improved.

In a second aspect, embodiments of the present invention further provide a motor, including a motor housing as described in the first aspect above.

The motor provided by the embodiment of the utility model has the structure of the motor shell provided by the embodiment of the first aspect, the motor shell comprises a front shell and a rear shell, the side wall and the bottom of the front shell are provided with first heat dissipation holes, the rear shell is matched with the front shell, and the side wall and the bottom of the rear shell are also provided with second heat dissipation holes, so that comprehensive heat dissipation is achieved, and the heat dissipation performance of the motor shell is improved. Preceding shell is equipped with first mounting panel, and the backshell is equipped with assorted second mounting panel, is connected the installation of being connected of shell and backshell before realizing through first mounting panel and second mounting panel, and first mounting panel and second mounting panel be for dismantling to be connected, and convenient to detach and installation motor improve dismouting efficiency. First shaft hole and second shaft hole have been seted up respectively to preceding shell and backshell, and first shaft hole and second shaft hole all are used for installing spherical bearing, and there is the gland in the top in first shaft hole and second shaft hole, and first shaft hole and second shaft hole cooperate the installation with the gland respectively, fixed spherical bearing, the operation direction of restriction motor bearing avoids the motor to shift at the operation in-process, and the motor contacts with motor housing, leads to the motor collision to damage, causes the accident. Therefore, the motor shell can help the motor to operate and dissipate heat, and the stability of the motor operation is improved, so that the stability of the motor shell is improved, and the motor shell is suitable for high-load electrical appliances such as a range hood.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

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 view of a motor housing according to some embodiments of the present invention;

FIG. 2 is a schematic structural view of a back shell of a motor housing of some embodiments of the present invention;

FIG. 3 is a schematic diagram of the construction of a gland of a motor housing of some embodiments of the present invention;

fig. 4 is a schematic view of a bearing clip of a motor housing according to some embodiments of the utility model.

Reference numerals: the motor comprises a motor shell 100, a front shell 110, a first heat dissipation hole 111, a first shaft hole 112, a first mounting plate 113, a first convex ring 114, an inclined wall 115, a ring wall 116, a first screw hole 117, a rear shell 120, a second heat dissipation hole 121, a wire outlet hole 122, a gland 130, a bearing positioning hole 131, a fixing edge 132, a clamping structure 140, a clamping plate 141, a bearing clamp 150, an elastic gasket 151, a protruding portion 152, a connecting hole 160, a limiting hole 161 and a positioning strip 170.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The utility model provides a motor shell which comprises a front shell and a rear shell, wherein first heat dissipation holes are formed in the side wall and the bottom of the front shell, the rear shell is matched with the front shell, and second heat dissipation holes are formed in the side wall and the bottom of the rear shell, so that comprehensive heat dissipation is achieved, and the heat dissipation performance of the motor shell is improved. Preceding shell is equipped with first mounting panel, and the backshell is equipped with assorted second mounting panel, is connected the installation of being connected of shell and backshell before realizing through first mounting panel and second mounting panel, and first mounting panel and second mounting panel be for dismantling to be connected, and convenient to detach and installation motor improve dismouting efficiency. First shaft hole and second shaft hole have been seted up respectively to preceding shell and backshell, and first shaft hole and second shaft hole all are used for installing spherical bearing, and there is the gland in the top in first shaft hole and second shaft hole, and first shaft hole and second shaft hole cooperate the installation with the gland respectively, fixed spherical bearing, the operation direction of restriction motor bearing avoids the motor to shift at the operation in-process, and the motor contacts with motor housing, leads to the motor collision to damage, causes the accident. Therefore, the motor shell can help the motor to operate and dissipate heat, and the stability of the motor operation is improved, so that the stability of the motor shell is improved, and the motor shell is suitable for high-load electrical appliances such as a range hood.

The embodiments of the present invention will be further explained with reference to the drawings.

In a first aspect, embodiments of the present invention provide a motor housing 100.

With reference to fig. 1, it can be understood that the motor housing 100 includes a front housing 110 and a rear housing 120, the front housing 110 and the rear housing 120 are both configured as open-top cylinders, wherein the top of the front housing 110 is provided with a first mounting plate 113, the rear housing 120 is provided with a second mounting plate, the first mounting plate 113 is disposed at the top of the front housing 110, the first mounting plate 113 is bent along the radial outward side of the front housing 110, the second mounting plate is disposed at the top of the rear housing 120, the second mounting plate is bent along the radial outward side of the rear housing 120, the first mounting plate 113 is matched with the second mounting plate, and the first mounting plate 113 is detachably connected with the second mounting plate, so that the front housing 110 and the rear housing 120 can be connected to form a whole, and the first mounting plate 113 is detachably connected with the second mounting plate, which is convenient for dismounting the motor housing 100 to perform motor mounting, and improves dismounting efficiency. The first heat dissipation holes 111 are formed in the side wall and the bottom of the front casing 110, and the second heat dissipation holes 121 are correspondingly formed in the side wall and the bottom of the rear casing 120, so that after the front casing 110 and the rear casing 120 are connected to form a whole, comprehensive heat dissipation is achieved, and the heat dissipation performance of the motor casing 100 is improved. A wire outlet 122 for extending the motor lead is further formed on the side wall of the rear case 120, so that the motor can be conveniently connected with the outside. The bottom of the front shell 110 is provided with a first shaft hole 112, the bottom of the rear shell 120 is also provided with a second shaft hole, and both the first shaft hole 112 and the second shaft hole can be used for mounting a spherical bearing. A gland 130 is further arranged above the first shaft hole 112 and the second shaft hole, and the gland 130 can support and fix a spherical bearing of the motor, so that the running stability of the motor is improved.

It can be understood that the gland 130 is installed above the first shaft hole 112 and the second shaft hole, and the gland 130 can be matched with the first shaft hole 112 or the second shaft hole to fix the spherical bearing, so as to prevent the displacement of the spherical bearing from affecting the normal operation of the motor. A fixing edge 132 is provided at the bottom of the pressing cover 130, and the bottom of the pressing cover 130 extends radially outward to form the fixing edge 132, so that the pressing cover 130 can be mounted above the first shaft hole 112 or the second shaft hole through the fixing edge 132, for example, the fixing edge 132 can be fixed above the first shaft hole 112 or the second shaft hole by adhesion, or the fixing edge 132 can be fixed above the first shaft hole 112 or the second shaft hole by bolts. In addition, a bearing positioning hole 131 is formed at the top of the gland 130, the side wall of the bearing positioning hole 131 is bent and inclined upwards along the axial direction, and the part bent upwards of the side wall is matched with the spherical bearing. And the lateral wall of bearing locating hole 131 still is equipped with spacing limit, and the part that the lateral wall upwards buckled radially inwards extends and forms spacing limit, and spacing limit is the ring shape, and spacing limit can provide the holding power and spacing to spherical bearing for the spherical bearing than spacing limit diameter length, avoids spherical bearing to drop, improves motor housing 100's stability.

It can be understood that the front shell 110 is provided with the clamping structure 140 on the outer side of the first shaft hole 112, the rear shell 120 is also provided with the matching clamping structure 140 on the outer side of the second shaft hole, the clamping structure 140 can fix the gland 130, and the situation that the spherical bearing installed in the gland 130 is displaced due to the displacement and falling of the gland 130, which causes motor failure, is avoided, so that the stability and the safety of the motor housing 100 are improved. The clamping structure 140 further comprises a clamping plate 141, the clamping plate 141 is provided with a plurality of blocks, the clamping plate 141 is uniformly distributed along the edges of the first shaft hole 112 and the second shaft hole, one end of the clamping plate 141 is connected with the front shell 110, and the other end of the clamping plate is tilted, so that the relative angle between the clamping plate 141 and the front shell 110 or the rear shell 120 can be adjusted, the pressing cover 130 can be conveniently mounted and dismounted, and the dismounting efficiency is improved. And the front shell 110 is provided with an opening at the relative position of the clamping plate 141, so that the relative angle between the clamping plate 141 and the front shell 110 or the rear shell 120 can be conveniently adjusted through the opening, the gland 130 can be conveniently mounted and dismounted, in addition, a user can conveniently observe whether the fixing edge 132 is clamped and fixed with the clamping plate 141 through the opening, and the stability of the motor shell 100 is improved.

It can be understood that the bottom of the front shell 110 is provided with a first protruding ring 114, the front shell 110 is provided with a spherical bearing through the first protruding ring 114, and the first shaft hole 112 is provided in the first protruding ring 114, so that the spherical bearing and the rotating shaft passing through the spherical bearing can extend out of the front shell 110 through the first shaft hole 112. The first protruding collar 114 further includes an inclined wall 115 and a circumferential wall 116, the inclined wall 115 extends obliquely upward along the first axial hole 112, and the circumferential wall 116 extends obliquely downward from the inclined wall 115 to the first axial hole 112. In addition, the clamping structure 140 may be distributed along the outer side of the first protruding ring 114, so that the clamping structure 140 can fix the pressing cover 130 at the first protruding ring 114, and the pressing cover 130 is matched with the first protruding ring 114 to fix the spherical bearing, thereby avoiding the displacement of the spherical bearing. The bottom of the rear shell 120 is also provided with a second convex ring corresponding to the first convex ring 114, the rear shell 120 can be provided with a spherical bearing through the second convex ring auxiliary gland 130, and a second shaft hole is formed in the second convex ring, so that the spherical bearing and the rotating shaft penetrating through the spherical bearing can extend out of the rear shell 120 through the second shaft hole. Therefore, the first protruding ring 114 provided on the front shell 110 and the second protruding ring provided on the rear shell 120 can improve the stability of the motor housing 100, improve the protection of the motor, and improve the safety of the operation.

It can be understood that, a bearing clamp 150 is further provided, and the bearing clamp 150 can limit the position of the spherical bearing, so that the installation stability of the spherical bearing is improved, and the displacement of the spherical bearing is avoided. Bearing clamp 150 includes six elastic gasket 151, six elastic gasket 151 are circular evenly distributed, and the one end that is close to the axle center at elastic gasket 151 still is equipped with bellying 152, bellying 152 can play and carry on spacingly to spherical bearing and the pivot of wearing to locate spherical bearing, and elastic gasket 151 extends along the oblique top of radial outside in the one end of keeping away from the axle center, make elastic gasket 151 can with spherical bearing's appearance phase-match, the spherical bearing of laminating, provide the holding power for spherical bearing, stability is improved, avoid spherical bearing to shift at high-speed rotation in-process. In addition, all the elastic washers 151 are hollow, so that the elastic effect of the washers can be improved, and the ball bearing can be restored. The bearing clip 150 is installed in the gland 130 to fix the ball bearing in cooperation with the gland 130, thereby improving stability and safety of the motor housing 100.

It can be understood that there is also a bearing washer matching with the bearing clamp 150, the bearing washer is disposed in the gland 130 and can absorb the lubricant, so as to provide the lubricant for the rotation of the spherical bearing, improve the smoothness of the rotation of the spherical bearing, avoid the jamming or displacement of the spherical bearing during the rotation, and improve the stability and safety of the motor housing 100. The bearing washer may be configured as a washer having six pieces in the same shape as the elastic washer 151, or may be configured as a washer bent to extend at the same angle as the elastic washer 151 and attached to the elastic spring, and the bearing washer may be disposed between the bearing clip 150 and the first shaft hole 112, or disposed between the bearing clip 150 and the second shaft hole, so as to be convenient for supplying lubricant to the bearing washer from the hollow structure of the elastic washer 151, and avoid the tedious step of supplying lubricant again by detaching the gland 130, thereby improving the convenience of user use, and simultaneously avoiding unstable connection between the gland 130 and the front housing 110 or unstable connection between the gland 130 and the rear housing 120 due to frequent detachment and installation of the gland 130, and improving the stability of the motor housing 100.

It can be understood that the first mounting plate 113 is disposed on the top of the front housing 110, the first mounting plate 113 is bent and extended along the outer side, and a first screw hole 117 is formed on the first mounting plate 113. Correspondingly, the second mounting plate matched with the first mounting plate 113 is also provided with a second screw hole, the first screw hole 117 corresponds to the second screw hole in the opened position, the shape of the first screw hole 117 is the same as that of the second screw hole, so that the first screw hole 117 and the second screw hole can be penetrated through by bolts to fix the first mounting plate 113 and the second mounting plate, that is, the front shell 110 and the rear shell 120 are connected into a whole through detachable bolts to seal the motor inside. And through the fixed mode of bolted connection, the user of being convenient for dismantles and installs, improves dismouting efficiency.

It can be understood that the bottom of the front shell 110 and the bottom of the rear shell 120 are both provided with connecting holes 160, and both sides of the connecting holes 160 are also provided with limiting holes 161, and the connecting holes 160 are communicated with the limiting holes 161 at both sides, the motor is fixed with the front shell 110 and the rear shell 120 by passing through the connecting holes 160 through assembling screws, the through holes communicated with the limiting holes 160 and the limiting holes 161 can allow the screws to pass through, and the limiting holes 161 can limit the passing screws, fix the screws, and prevent the screws from falling off. And the motor can be equipped with the special-shaped screw, and the screw head of special-shaped screw is the same with the shape of connecting hole 160 and the spacing hole 161 in both sides after being linked together, can improve the fixed effect of screw.

It can be understood that, the inboard locating strip 170 that still is equipped with of the lateral wall of preceding shell 110 and backshell 120, locating strip 170 can carry out spacing fixed to the motor of installing in the casing, and locating strip 170 can be provided with many, encircles the even setting of round along the lateral wall, can avoid the motor to collide with the casing when rotating, and before damaging shell 110 or backshell 120, improves motor housing 100's stability.

In a second aspect, embodiments of the present invention further provide an electric machine, including the electric machine casing 100 as in the first aspect of the present invention.

The motor of the embodiment of the present invention includes the motor housing 100 as described in the above first embodiment, the motor includes the motor housing 100, and the motor housing 100 includes the front shell 110 and the rear shell 120, the side wall and the bottom of the front shell 110 are both provided with the first heat dissipation holes 111, the rear shell 120 is matched with the front shell 110, and the side wall and the bottom of the rear shell 120 are also provided with the second heat dissipation holes 121, so as to achieve overall heat dissipation and improve the heat dissipation performance of the motor housing 100. Preceding shell 110 is equipped with first mounting panel 113, and backshell 120 is equipped with assorted second mounting panel, is connected the installation of being connected of realizing preceding shell 110 and backshell 120 through first mounting panel 113 and second mounting panel, and first mounting panel 113 and second mounting panel be for dismantling the connection, and convenient to detach and installation motor improve dismouting efficiency. First shaft hole 112 and second shaft hole have been seted up respectively to preceding shell 110 and backshell 120, and first shaft hole 112 and second shaft hole all are used for installing spherical bearing, and there is gland 130 first shaft hole 112 and second shaft hole's top, and first shaft hole 112 and second shaft hole cooperate the installation with gland 130 respectively, fixed spherical bearing, the running direction of restriction motor bearing avoids the motor to shift at the operation in-process, and the motor contacts with motor housing 100, leads to motor collision damage, causes the accident. Therefore, the motor housing 100 can help the motor to operate to dissipate heat, and improve the stability of the motor operation, thereby improving the stability of the motor housing 100, and being suitable for high-load electrical appliances such as a range hood.

Since the motor in this embodiment and the motor housing 100 in the above embodiment belong to the same inventive concept, other specific embodiments of the motor in this embodiment may refer to the specific embodiment of the motor housing 100 in the above embodiment, and in order to avoid redundancy, further description of other specific embodiments of the motor in this embodiment is omitted here.

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 utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model 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 utility model, the scope of which is defined by the claims and their equivalents.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An electric machine housing, comprising:

the side wall and the bottom of the front shell are both provided with first heat dissipation holes, the bottom of the front shell is provided with a first shaft hole for mounting a spherical bearing, and the top of the front shell is provided with a first mounting plate which is bent outwards along the radial direction;

the side wall and the bottom of the rear shell are both provided with second heat dissipation holes, the side wall is also provided with wire outlet holes, the bottom of the rear shell is provided with second shaft holes for mounting spherical bearings, the top of the rear shell is provided with a second mounting plate matched with the first mounting plate, the second mounting plate is bent outwards along the radial direction, and the first mounting plate and the second mounting plate are detachably connected;

and the first shaft hole and the second shaft hole are respectively provided with a gland used for fixing the spherical bearing.

2. The motor housing as claimed in claim 1, wherein the top of the pressing cover is formed with a bearing positioning hole for limiting the spherical bearing, a sidewall of the bearing positioning hole is bent upward in the axial direction, and a bottom of the pressing cover is formed with a fixing edge extending outward in the radial direction.

3. The motor housing of claim 2, wherein the front shell and the rear shell are both provided with a clamping structure for fixing the gland, the clamping structure comprises a clamping plate for fixing the fixing edge, and the clamping plate is arranged on the outer sides of the first shaft hole and the second shaft hole.

4. The motor housing as claimed in claim 2, wherein the bottom of the front shell is provided with a first collar for mounting a ball bearing, the first shaft hole is provided in the first collar, and the first collar includes a sloped wall extending obliquely upward along the first shaft hole and a ring wall extending from the sloped wall to the first shaft hole; and a second convex ring corresponding to the first convex ring is arranged at the bottom of the rear shell, and the second shaft hole is formed in the second convex ring.

5. The motor housing according to claim 1, further comprising a bearing clip for limiting the spherical bearing, wherein the bearing clip is installed in the gland, the bearing clip comprises six elastic gaskets which are evenly distributed in a circular shape, one end of each of the six elastic gaskets close to the shaft center is provided with a protruding portion for limiting the spherical bearing, one end of each of the six elastic gaskets far away from the shaft center extends obliquely upwards along the radial direction towards the outer side, and each of the six elastic gaskets is hollow.

6. The motor housing of claim 5, further comprising a bearing washer disposed within the gland for absorbing lubricant, the bearing washer mating with the bearing clip.

7. The motor housing of claim 1, wherein the first mounting plate defines a first threaded hole, the second mounting plate defines a second threaded hole that is complementary to the second threaded hole, and the first mounting plate is bolted to the second mounting plate via the first threaded hole and the second threaded hole.

8. The motor housing as claimed in claim 1, wherein the bottom of the front housing and the bottom of the rear housing are both provided with a connecting hole for mounting a motor, and both sides of the connecting hole are further provided with a limiting hole for fixing a connecting screw, and the limiting hole is communicated with the connecting hole.

9. The motor housing as claimed in claim 1, wherein the inner sides of the side walls of the front and rear cases are each provided with a positioning bar for limiting the motor.

10. An electrical machine comprising a housing as claimed in any one of claims 1 to 9.