CN109428408A - Motor and its manufacturing method - Google Patents
Motor and its manufacturing method Download PDFInfo
- Publication number
- CN109428408A CN109428408A CN201710742837.7A CN201710742837A CN109428408A CN 109428408 A CN109428408 A CN 109428408A CN 201710742837 A CN201710742837 A CN 201710742837A CN 109428408 A CN109428408 A CN 109428408A
- Authority
- CN
- China
- Prior art keywords
- fixed part
- magnet
- casing
- hole
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The embodiment of the present application provides a kind of motor and its manufacturing method, which has motor body and casing, and the motor body includes rotor；And stator, the rotor includes the axis extended along central axis, the stator includes magnet, it states casing and covers the motor body, including peripheral wall portion, the peripheral wall portion covers the outer radial periphery of the motor body, and the magnet is fixed on the inner peripheral surface of the peripheral wall portion, the casing also includes at least one set of fixed part, and the fixed part is connected to the opposite side of the magnet respectively；And through hole, the through hole penetrate through the peripheral wall portion of the casing radially, the fixed part is tilted from the edge of the through hole, be integrally formed with the casing, the fixed part with the abutting of the magnet to the magnet side bending.According to this embodiment, magnet can be securely fixed in the internal perisporium of casing in a straightforward manner, and simplify structure and the manufacturing process of motor.
Description
Technical field
This application involves electro-mechanical arts more particularly to a kind of motor and its manufacturing methods.
Background technique
In motor, casing is usually set to cover motor body.Magnet in motor body can pass through page shape spring
Or bonding agent etc. is fixed on the inner peripheral surface of the peripheral wall of casing.
It should be noted that the above description of the technical background be intended merely to it is convenient to technical solution of the present invention carry out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Cannot merely because these schemes of the invention
Background technology part is expounded and thinks that above-mentioned technical proposal is known to those skilled in the art.
Summary of the invention
The inventors of the present application found that the existing peripheral wall that magnet is fixed on to casing by page shape spring or bonding agent etc.
Inner peripheral surface method involved in component it is more, the step of assembling operation, is more, causes manufacturing process more complicated.
The application provides a kind of motor and its manufacturing method, is formed in the inner peripheral surface of casing integrally formed solid with the casing
Determine portion, and make the fixed part at the abutting with magnet to magnet side bending, thereby, it is possible to firmly fix in a straightforward manner
Magnet simplifies structure and the manufacturing process of motor.
According to the embodiment of the present application in a first aspect, providing a kind of motor, the motor has motor body and casing, institute
Stating motor body includes rotor；And stator, the rotor include the axis extended along central axis, the stator includes magnet,
The casing covers the motor body, including peripheral wall portion, the peripheral wall portion cover the radial direction of the motor body
Periphery, the magnet are fixed on the inner peripheral surface of the peripheral wall portion, and the casing also includes at least one set of fixed part, the fixation
Portion is connected to the opposite side of the magnet respectively；And through hole, the through hole penetrate through the institute of the casing radially
State peripheral wall portion, the fixed part is tilted from the edge of the through hole, be integrally formed with the casing, the fixed part with institute
It states at the abutting of magnet to the magnet side bending.
According to the second aspect of the embodiment of the present application, wherein the fixed part is on the opposite side of the magnet
It is opposite on opposite direction.
According to the third aspect of the embodiment of the present application, wherein the fixed part is connected to respectively in the circumferential direction of the magnet
Opposite side.
According to the fourth aspect of the embodiment of the present application, wherein the angle that the fixed part is tilted from the edge of the through hole
Degree is acute angle.
According to the 5th of the embodiment of the present application the aspect, wherein institute of at least part of the through hole from the magnet
At least avris for stating opposite side exposes.
According to the 6th of the embodiment of the present application the aspect, wherein the angle that the fixed part is tilted from the edge of the through hole
Degree is acute angle, and the fixed part is formed between the edge of the magnet and the fixed part at the abutting of the magnet
Gap, the fixed part extend in axial a part, and the through hole is connected to the gap.
According to the 7th of the embodiment of the present application the aspect, wherein the area phase of the area of the through hole and the fixed part
Together.
According to the eighth aspect of the embodiment of the present application, wherein the sum of area of the through hole is described in the casing
Below the regulated proportion of the area of peripheral wall portion.
According to the 9th of the embodiment of the present application the aspect, wherein the magnet is 3 or more, is fixed on the week at equal intervals
The inner peripheral surface of wall portion, the fixed part are set as 3 groups or more.
According to the tenth of the embodiment of the present application the aspect, a kind of inner peripheral surface of peripheral wall portion that magnet is fixed on to casing is provided
The manufacturing method of motor, the manufacturing method the following steps are included:
Through hole forming step, in the through hole forming step, one of the peripheral wall portion by making the casing
Part is tilted from the casing, and penetrates through the through hole of the casing in the forming of the peripheral wall of the casing；
Fixed part forming step, in the fixed part forming step, by will in the through hole forming step from
The part that the peripheral wall of the casing tilts bends to the inner circumferential of the casing and forms one group of fixed part, and by described one group
Fixed part is bent to the opposite side that can be connected to the magnet respectively；
The secondary bending step of fixed part, in the secondary bending step of the fixed part, will in fixed part forming step at
The fixed part of type is towards magnet side bending again；And
Assembling steps, by the group of magnets loaded between the fixed part, support the magnet in the assembling steps
It is connected to the secondary bending part of one group of fixed part.
On the one hand according to the tenth of the embodiment of the present application, wherein in the fixed part forming step, make each fixed part from
The angle that the edge of the through hole tilts is acute angle.
The beneficial effects of the present invention are: in inner peripheral surface formation and the integrally formed fixed part of the casing of casing, and make
The fixed part, to magnet side bending, thereby, it is possible to firmly fix magnet in a straightforward manner, simplifies at the abutting with magnet
The structure of motor and manufacturing process.
Referring to following description and accompanying drawings, only certain exemplary embodiments of this invention is disclosed in detail, specifies original of the invention
Reason can be in a manner of adopted.It should be understood that embodiments of the present invention are not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, embodiments of the present invention include many changes, modifications and are equal.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating embodiments of the present invention, and come together to illustrate the principle of the present invention with verbal description.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a perspective view of the motor of the embodiment of the present application 1；
Fig. 2 is a shaft section schematic diagram of the motor of the embodiment of the present application 1；
Fig. 3 is that the peripheral wall portion of the casing of the embodiment of the present application 1 does not install a schematic diagram of magnet；
Fig. 4 is that the peripheral wall portion of the casing of the embodiment of the present application 1 is equipped with a schematic diagram of magnet；
Fig. 5 is a local schematic diagram with axially vertical section shown in the virtual coil of Fig. 4；
Fig. 6 is a schematic diagram of the manufacturing method of the motor of the embodiment of the present application 2.
Specific embodiment
Referring to attached drawing, by following specification, aforementioned and other feature of the invention be will be apparent.In specification
In attached drawing, only certain exemplary embodiments of this invention is specifically disclosed, which show the portions that can wherein use principle of the invention
Divide embodiment, it will thus be appreciated that the present invention is not limited to described embodiments, on the contrary, the present invention includes falling into appended power
Whole modifications, modification and equivalent in the range of benefit requirement.
In addition, in following the description of the invention, for convenience of description, in being with the central axis of the rotor of motor
The radial direction of the heart is known as " radial direction ", and the circumferencial direction centered on central axis is known as " circumferential direction ", will be along the central axis
Extending direction be known as " axial direction ".
Embodiment 1
The embodiment of the present application provides a kind of motor.Fig. 1 is a perspective view of the motor of the present embodiment, and Fig. 2 is this implementation
One shaft section schematic diagram of the motor of example.
As depicted in figs. 1 and 2, motor 100 has main body 101 (Fig. 1 is not shown) and casing 102.
As shown in Fig. 2, motor body 101 may include rotor 1011 and stator 1012.Wherein, rotor 1011 includes edge
The axis A that central axis C extends；Stator 1012 may include magnet 1013.
As shown in Fig. 2, casing 102 can cover motor body 101.Casing 102 may include peripheral wall portion 1021, peripheral wall portion
1021 can cover the outer radial periphery of motor body 101.Magnet 1013 can be fixed in the inner peripheral surface of peripheral wall portion 1021.
Fig. 3 is that the peripheral wall portion 1021 of casing 102 does not install a schematic diagram of magnet, and Fig. 4 is the peripheral wall portion of casing 102
1021 are equipped with a schematic diagram of magnet 1013.Fig. 5 is local one with axially vertical section shown in the virtual coil of Fig. 4
A schematic diagram.
As shown in Figure 3 and Figure 4, casing 102 can also include at least one set of fixed part 1023 and through hole 1024.Wherein,
Each fixed part 1023 in one group of fixed part is connected to the opposite side 1014 of magnet 1013 (Fig. 3 is not shown) respectively, and (Fig. 3 is not
Show), so that magnet 1013 to be fixed on to the inner wall of peripheral wall portion 1021；Through hole 1024 radially penetrates through the peripheral wall of casing 102
Portion 1021.
In the present embodiment, each fixed part 1023 can be tilted from the edge of through hole 1024, also, each fixed part 1023
It can be integrally formed with casing 102.
In the present embodiment, as shown in figure 3, figure 4 and figure 5, fixed part 1023 is not (Fig. 3 shows with the side 1014 of magnet 1013
Out) abut abutting at 1025 could be formed with bending part 1026, bending part 1026 can be to 1013 bending of magnet.
According to the present embodiment, the edge of the through hole of casing be formed with the integrally formed fixed part of casing, also, it is solid
Portion is determined from the abutting with magnet to magnet side bending, and thereby, it is possible to magnet is securely fixed in machine in a straightforward manner
The internal perisporium of shell, and simplify structure and the manufacturing process of motor.
In the present embodiment, two fixed parts 1023 be can have in one group of fixed part, which can become
A pair is respectively set at the two opposite avris of magnet, in the explanation below the present embodiment, to have in one group of fixed part
It is illustrated for two fixed parts.In addition, the present embodiment can be without being limited thereto, for example, fixed part 1023 in one group of fixed part
Quantity can also with more than two, in such a case, it is possible to by this group of fixed part at least one fixed part be arranged in magnetic
The two opposite avris of magnet are arranged in other fixed parts in this group of fixed part by the avris in the two opposite avris of iron
In another avris.
In the present embodiment, the quantity of fixed part can be more than one set of, and every group of fixed part may be used to fix a phase
The magnet 1013 answered.
As shown in figure 3, in the present embodiment, each fixed part 1023 in every group of fixed part can be in the opposite of magnet 1013
Side 1014 opposite direction on it is opposite, each fixed part 1023 can the opposite side respectively with magnet 1013 abuts thus by magnetic
Iron 1013 presses on the inner peripheral surface of casing wherein, this is opposite when for example can be opposite in the circumferential direction of magnet 1014.
In the present embodiment, as shown in figure 5, fixed part 1023 can be from the angle a that the edge of through hole 1024 tilts
Acute angle is capable of forming in the case where abutting fixed part 1023 with the side 1014 of magnet as a result, magnet 1013 pressing on machine
The active force of shell internal perisporium.Also, since the angle that fixed part 1023 tilts is acute angle, to ensure that fixed part 1023 from week
Wall portion 1021 when tilting will not angle is excessive is broken off because tilting, and keep molding simpler since the angle of tilting is smaller
It is single.
In the present embodiment, as shown in figure 5, at least part of through hole 1024 can be from the opposite side of magnet 1013
1014 side of one side expose, the water inside motor can be discharged for through hole 1024 as a result,.
As shown in Fig. 5 and Fig. 3, fixed part 1023 can extend along axial a part, so that axial entirety will not be covered
Cover in through hole.Can have gap B at fixed part 1023, abutting between 1025 and magnet 1013, gap B can with pass through
Through-hole 1024 is connected to, and the water inside motor can be discharged via gap B from through hole 1024 as a result,.
In the present embodiment, the area of through hole 1024 can be identical with the area of fixed part 1023, for example, fixed part
1023 can be punching press is carried out to form through hole 1024 to casing peripheral wall portion during formed, therefore, the two area phase
Together.In addition, the present embodiment can be without being limited thereto, for example, can carry out expansion processing to through hole 1024, or to fixed part
1023 the processing such as are polished or are sheared, to reduce the area of fixed part, area can not be waited both as a result,.
In the present embodiment, the sum of area of all through holes 1024 can be in the area of the peripheral wall portion of casing on casing
Hereinafter, thereby it is ensured that the magnetic flux leakage of through hole 1024 will not influence the performance of motor, which is, for example, regulated proportion
10%.
In the present embodiment, the quantity of magnet 1013 can be 3 or more, be fixed on the inner circumferential of peripheral wall portion at equal intervals
Face, the fixed part 1023 for fixing each magnet 1013 can also correspondingly be arranged to 3 groups or more, therefore, each group with magnet
Circumferential angle between magnet is 120 degree hereinafter, the angle is less than 180 degree, as a result, so that axis A and horizontal direction parallel
In the case that mode uses motor 100, no matter how motor is configured in the circumferential, in the position of the center than motor on the lower
It can be configured with through hole 1024, consequently facilitating the water in motor is flowed out from through hole 1024 under the effect of gravity.
In the present embodiment, as depicted in figs. 1 and 2, casing 102 can also have hole 1022, and hole 1022 can penetrate through machine
Shell 102.
As shown in Figure 1 and Figure 2, casing 102 can also have the top plate portion 1027 of the axial side of covering motor body 101,
Wherein, top plate portion 1027 can be located at top plate portion 1027 perpendicular to axis A, hole 1022.Hole 1022 can effectively be sent out as a result,
Be vaporized heat function, also, in the case where installing in a manner of making axis A and horizontal direction parallel or using motor 100, shipwreck with
Through hole 1022 enters inside motor.
In the present embodiment, as shown in Fig. 2, rotor 1011 can be rotated centered on central axis C, stator 1012 with
Rotor 1011 can be opposite radially, also, stator 1012 can be configured in the radial outside of rotor 1011.
In the present embodiment, motor 100 can be the motor for carrying out cooling treatment to engine, the i.e. cooling horse of engine
It reaches.In addition, the present embodiment can be not limited to time, motor 100 is also possible to other types of motor.
According to the present embodiment, the edge of the through hole of casing be formed with the integrally formed fixed part of casing, also, it is solid
Portion is determined from the abutting with magnet to magnet side bending, and thereby, it is possible to magnet is securely fixed in machine in a straightforward manner
The internal perisporium of shell, and simplify structure and the manufacturing process of motor.
Embodiment 2
The embodiment of the present application 2 provides a kind of manufacturing method of motor, for manufacturing motor described in embodiment 1.
Fig. 6 is a schematic diagram of the manufacturing method of the motor of the present embodiment, as shown in fig. 6, the manufacturing method 600 of motor
It may comprise steps of:
Step 601, through hole forming step, in the through hole forming step, by the peripheral wall portion for making casing 102
1021 a part is tilted from casing 102, and shapes the through hole 1024 of perforation casing 102 in the peripheral wall portion of casing 102 1021；
Step 602, fixed part forming step, in fixed part forming step, by will be in the through hole forming step
In bent from the part that the peripheral wall portion 1021 of casing tilts to the inner circumferential of casing and form each fixation at least one set of fixed part
Portion 1023, and each fixed part 1023 in one group of fixed part is bent to the opposite side that can be connected to magnet 1013 respectively
1014；
The secondary bending step of step 603, fixed part will form in the secondary bending step of the fixed part in fixed part
Molding fixed part is towards magnet side bending again in step；And
Magnet 1013 is assembled between the fixed part 1023 by step 604, assembling steps in the assembling steps,
Magnet is set to be connected to the secondary bending part of one group of fixed part.
Wherein, in step 603, the angle acute angle for tilting each fixed part 1023 from the edge of through hole 1024.
In step 604, which is formed as 1025 at abutting.
According to the present embodiment, the edge of the through hole of casing be formed with the integrally formed fixed part of casing, also, it is solid
Portion is determined from the abutting with magnet to magnet side bending, and thereby, it is possible to magnet is securely fixed in machine in a straightforward manner
The internal perisporium of shell, and simplify structure and the manufacturing process of motor.
Combining specific embodiment above, invention has been described, it will be appreciated by those skilled in the art that this
A little descriptions are all exemplary, and are not limiting the scope of the invention.Those skilled in the art can be according to the present invention
Spirit and principle various variants and modifications are made to the present invention, these variants and modifications are also within the scope of the invention.
Claims (11)
1. a kind of motor, the motor has motor body and casing,
The motor body includes rotor；And stator,
The rotor includes the axis extended along central axis,
The stator includes magnet,
The casing covers the motor body, including peripheral wall portion, the peripheral wall portion cover the outer radial periphery of the motor body,
The magnet is fixed on the inner peripheral surface of the peripheral wall portion, and the casing also includes
At least one set of fixed part, the fixed part are connected to the opposite side of the magnet respectively；And
Through hole, the through hole penetrate through the peripheral wall portion of the casing radially,
The motor is characterized in that,
The fixed part is tilted from the edge of the through hole, is integrally formed with the casing,
The fixed part with the abutting of the magnet to the magnet side bending.
2. motor according to claim 1, which is characterized in that
The fixed part is opposite on the opposite direction on the opposite side of the magnet.
3. motor according to claim 1, which is characterized in that
The fixed part is connected to the opposite side in the circumferential direction of the magnet respectively.
4. motor according to claim 1, which is characterized in that
The angle that the fixed part is tilted from the edge of the through hole is acute angle.
5. motor according to claim 1, which is characterized in that
At least part of the through hole is exposed from an at least avris on the opposite side of the magnet.
6. motor according to claim 5, which is characterized in that
The angle that the fixed part is tilted from the edge of the through hole is acute angle,
At the abutting of the fixed part and the magnet, it is formed with gap between the edge of the magnet and the fixed part,
The fixed part extends in axial a part,
The through hole is connected to the gap.
7. motor according to claim 1, which is characterized in that
The area of the through hole is identical as the area of the fixed part.
8. motor according to claim 1, which is characterized in that
The sum of area of the through hole is below the regulated proportion of the area of the peripheral wall portion of the casing.
9. motor according to claim 5, which is characterized in that
The magnet is 3 or more, is fixed on the inner peripheral surface of the peripheral wall portion at equal intervals,
The fixed part is set as 3 groups or more.
10. a kind of manufacturing method for the motor that magnet is fixed on to casing inner peripheral surface, which is characterized in that
The manufacturing method the following steps are included:
Through hole forming step, in the through hole forming step, a part of the peripheral wall portion by making the casing
It is tilted from the casing, and penetrates through the through hole of the casing in the forming of the peripheral wall of the casing；
Fixed part forming step, in the fixed part forming step, by will be in the through hole forming step from described
The part that the peripheral wall of casing tilts bends to the inner circumferential of the casing and forms one group of fixed part, and described one group is fixed
Portion is bent to the opposite side that can be connected to the magnet respectively；
The secondary bending step of fixed part will be molding in fixed part forming step in the secondary bending step of the fixed part
Fixed part is towards magnet side bending again；And
Assembling steps, by the group of magnets loaded between the fixed part, are connected to the magnet in the assembling steps
The secondary bending part of one group of fixed part.
11. manufacturing method according to claim 10, which is characterized in that
In the fixed part forming step, the angle for tilting one group of fixed part from the edge of the through hole is sharp
Angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742837.7A CN109428408A (en) | 2017-08-25 | 2017-08-25 | Motor and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742837.7A CN109428408A (en) | 2017-08-25 | 2017-08-25 | Motor and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109428408A true CN109428408A (en) | 2019-03-05 |
Family
ID=65499507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742837.7A Withdrawn CN109428408A (en) | 2017-08-25 | 2017-08-25 | Motor and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109428408A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655495Y (en) * | 2003-09-03 | 2004-11-10 | 沈新标 | DC motor stator for electric vehicle |
| CN202435171U (en) * | 2012-02-14 | 2012-09-12 | 广东嘉和微特电机股份有限公司 | Permanent magnet motor base |
-
2017
- 2017-08-25 CN CN201710742837.7A patent/CN109428408A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2655495Y (en) * | 2003-09-03 | 2004-11-10 | 沈新标 | DC motor stator for electric vehicle |
| CN202435171U (en) * | 2012-02-14 | 2012-09-12 | 广东嘉和微特电机股份有限公司 | Permanent magnet motor base |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190305 |
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| WW01 | Invention patent application withdrawn after publication |