CN216959448U - Stator structure of reciprocating rotating motor and reciprocating rotating motor - Google Patents
Stator structure of reciprocating rotating motor and reciprocating rotating motor Download PDFInfo
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- CN216959448U CN216959448U CN202220214397.4U CN202220214397U CN216959448U CN 216959448 U CN216959448 U CN 216959448U CN 202220214397 U CN202220214397 U CN 202220214397U CN 216959448 U CN216959448 U CN 216959448U
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- 239000000696 magnetic material Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a stator structure of a reciprocating rotating motor and the reciprocating rotating motor, comprising a casing, wherein the casing is internally provided with two first tooth parts and two second tooth parts, the two second tooth parts are adjacently arranged, the two first tooth parts are arranged opposite to the two second tooth parts, the first tooth parts are made of nonmagnetic materials, and the second tooth parts are made of magnetic materials.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a stator structure of a reciprocating rotating motor and the reciprocating rotating motor.
Background
Miniature reciprocating rotary motors are increasingly used in personal care products such as face massagers, health care equipment, electric toothbrushes and the like. More convenience and better experience are brought to the life of people. The existing miniature reciprocating rotary motor mostly selects permanent magnets due to small volume. The price of the raw material rare earth of the permanent magnet rises remarkably in recent years, and the rare earth is a non-renewable resource, so that the use of the permanent magnet material is gradually reduced while the requirement of a user on the reciprocating rotation function of a product is met, the production cost of the product is reduced, and the sustainable utilization of the resource is promoted.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a stator structure of a reciprocating rotary motor and a reciprocating rotary motor, which are beneficial to reducing the production cost of the product.
The technical scheme is as follows: one of the objects of the utility model is achieved by:
the utility model provides a stator structure of reciprocating rotary motor, includes the casing, its key lies in: including the casing, its characterized in that: the shell is internally provided with two first tooth parts and two second tooth parts, the two second tooth parts are arranged adjacently, the two first tooth parts are arranged right opposite to the two second tooth parts, the first tooth parts are made of non-magnetic materials, and the second tooth parts are made of magnetic materials. By adopting the technical scheme, the tooth part of the stator is changed from the traditional method of completely adopting magnetic materials into the method that half of the tooth part is made of the magnetic materials and half of the tooth part is made of the non-magnetic materials, so that the using amount of the magnetic materials can be reduced by half, the use of rare earth materials is greatly reduced, and the production cost of the product is greatly reduced on the premise of ensuring that the rotating force of the rotating shaft is basically not influenced or is influenced very little.
Preferably:
the first tooth portion is made of a magnetic conductive material.
The casing comprises two flat plates which are arranged oppositely, and arc-shaped end plates are connected to two sides of the two flat plates respectively.
The two second tooth parts are arranged on the inner side of one end plate, the two first tooth parts are arranged on the inner side of the other end plate, magnetic poles of the second tooth parts are distributed along the radial direction of the machine shell, and the magnetic poles of the two second tooth parts close to the center side of the machine shell are opposite.
The two second tooth parts are respectively arranged on the inner sides of the two end plates and are adjacent in the circumferential direction, the two first tooth parts are also respectively arranged on the inner sides of the two end plates and are adjacent in the circumferential direction, magnetic poles of the second tooth parts are distributed along the radial direction of the machine shell, and the magnetic poles of the two second tooth parts close to the center side of the machine shell are the same.
The two structures can meet the reciprocating rotation of the rotor.
An end frame is installed in the machine shell, mounting grooves are formed in the end frame corresponding to the first tooth portion and the second tooth portion respectively, and the first tooth portion and the second tooth portion are clamped in the corresponding mounting grooves respectively. By adopting the structure, two tooth parts are convenient to install.
The first tooth part and the second tooth part are arc-shaped, the convex surfaces of the first tooth part and the second tooth part are tightly attached to the inner wall of the shell, the concave surfaces of the first tooth part and the second tooth part face the center of the shell, the arc centers of the first tooth part and the second tooth part are overlapped with the center of the shell, and the thickness of the first tooth part is equal to that of the second tooth part.
The second purpose of the utility model is realized by the following steps:
the utility model provides a reciprocating rotary motor which the key lies in: the motor comprises the stator structure, and a rotor matched with the stator structure is further arranged in the shell.
The shell comprises two flat plates which are arranged oppositely, and arc-shaped end plates are connected to two sides of the two flat plates respectively;
the two second tooth parts are arranged on the inner side of one end plate, the two first tooth parts are arranged on the inner side of the other end plate, magnetic poles of the second tooth parts are distributed along the radial direction of the machine shell, and the magnetic poles of the two second tooth parts close to the center side of the machine shell are opposite;
the rotor is in including the cartridge the pivot at stator structure center, and the cartridge has rotor core in this pivot, rotor core is last to install two rotor teeth, the winding has coil winding on the rotor tooth, on two rotor teeth the magnetic pole that coil winding produced is opposite, two the rotor tooth is respectively towards two end plates of casing.
The shell comprises two flat plates which are arranged oppositely, and arc-shaped end plates are connected to two sides of the two flat plates respectively;
the two second tooth parts are respectively arranged on the inner sides of the two end plates, the two first tooth parts are also respectively arranged on the inner sides of the two end plates, magnetic poles of the second tooth parts are distributed along the radial direction of the machine shell, and the magnetic poles of the two second tooth parts close to the center side of the machine shell are the same;
the rotor is in including the cartridge the pivot at stator structure center, and the cartridge has rotor core in this pivot, rotor core is last to install two rotor teeth, the winding has coil winding on the rotor tooth, on two rotor teeth the magnetic pole that coil winding produced is opposite, two the rotor tooth is respectively towards two end plates of casing.
By adopting the scheme, after the coil winding is electrified, the magnetic poles generated on the rotor teeth are different, and the generated magnetic poles interact with the magnetic poles of the two tooth parts, so that the rotating shaft is pushed to rotate, the current direction of the rotating shaft is changed after the rotating shaft rotates for a certain angle, the rotating shaft can rotate towards the other direction, the current direction is changed in a reciprocating mode, the rotating shaft can swing in a reciprocating mode, the structure greatly reduces the use of rare earth materials, and the production cost of products is reduced.
Compared with the prior art, the utility model has the beneficial effects that: the tooth part of the stator is changed from the traditional method that the tooth part is completely made of magnetic materials into the mode that one half of the tooth part is made of magnetic materials and the other half of the tooth part is made of non-magnetic materials, so that the using amount of the magnetic materials can be reduced by half, the use amount of rare earth materials is greatly reduced, and the production cost of products is greatly reduced on the premise that the rotating force of a rotating shaft is basically not influenced or is influenced very little.
Drawings
FIG. 1 is an exploded view of an electric machine;
FIG. 2 is a schematic plan view of the motor;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of another angle of the motor;
FIG. 5 is a cross-sectional view B-B of FIG. 4;
fig. 6 shows another distribution of stator teeth.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Embodiment 1, as shown in fig. 6, a stator structure of a reciprocating electric motor includes a housing 1, the housing 1 has two first tooth portions 5 and two second tooth portions 4, the two second tooth portions 4 are disposed adjacent to each other, the two first tooth portions 5 are disposed opposite to the two second tooth portions 4, the first tooth portions 5 are made of a non-magnetic material, and the second tooth portions 4 are made of a magnetic material.
An end frame 3 is installed in the casing 1, mounting grooves are respectively formed in the end frame 3 corresponding to the first tooth portion 5 and the second tooth portion 4, the first tooth portion 5 and the second tooth portion 4 are respectively clamped in the corresponding mounting grooves, and the first tooth portion 5 is made of a magnetic conductive material.
The casing 1 includes two flat plates 1a that are just opposite to each other, and the both sides of two flat plates 1a are connected with convex end plate 1b respectively, and two second tooth portion 4 is installed one of them end plate 1b is inboard, and two first tooth portion 5 then sets up in another end plate 1b is inboard, and two first tooth portion 5 and two second tooth portion 4 use the central plane of two end plates as central symmetry like this, the magnetic pole of second tooth portion 4 follows casing 1's radial distribution, and two the magnetic pole that second tooth portion 4 is close to casing 1 central side is opposite, and one of them second tooth portion 4 is close to the surface of pivot for south pole, and then the surface that another second tooth portion 4 is close to the pivot is north pole, and the surface that the two is close to the end plate inner wall is the corresponding another pole.
The first tooth part 5 and the second tooth part 4 are both arc-shaped, the convex surfaces of the first tooth part and the second tooth part are tightly attached to the inner wall of the machine shell 1, the concave surfaces of the first tooth part and the second tooth part face the center of the machine shell 1, the arc centers of the first tooth part and the second tooth part are overlapped with the center of the machine shell 1, the thickness of the first tooth part 5 is equal to that of the second tooth part 4, and the thickness refers to the radial thickness along an end plate.
As shown in fig. 5, another distribution of the two second tooth portions 4 is:
casing 1 includes two just dull and stereotyped 1a to the setting, and the both sides of two dull and stereotyped 1a are connected with convex end plate 1b respectively, two second tooth portion 4 is installed respectively two the end plate 1b is inboard, and the two is adjacent in circumference, two first tooth portion 5 also installs respectively two the end plate 1b is inboard, and the two is adjacent in circumference, and two first tooth portion 5 and two second tooth portion 4 use the central plane of two flat boards to be central symmetry like this, the magnetic pole of second tooth portion 4 is followed the radial distribution of casing 1, two second tooth portion 4 is close to the magnetic pole of casing 1 central side is the same, and the surface that second tooth portion 4 is close to the pivot is the south pole or is the north pole together, and the face that is close to the end plate inner wall is another pole.
Embodiment 2, as shown in fig. 1 to 5, a reciprocating rotary electric machine includes the stator structure of embodiment 1, and a rotor engaged with the stator structure is further provided in the casing 1;
the rotor is in including the cartridge the pivot 7 at stator structure center, and the cartridge has rotor core 10 on this pivot 7, and rotor core 10 is cylindricly, install two rotor teeth 10a on the rotor core 10, the winding has coil winding 12 on the rotor tooth 10a, on two rotor teeth 10a the magnetic pole that coil winding 12 produced is opposite, and two rotor teeth 10a face respectively two end plates 1b of casing 1.
Specifically, the rotor teeth 10a include a tooth top portion and a tooth root portion, wherein the tooth root portion is fixedly mounted on the rotor core 10, the coil winding 12 is wound on the tooth top portion, the tooth top portion is in a "C" shape, a concave surface of the tooth top portion faces the rotor core 10, a magnetic resistance slot 18 is formed in the middle of the tooth top portion, the magnetic resistance slot 18 is used for enabling the rotor to be kept in an original state under the condition that no external force is applied, and the magnetic resistance slot 18 is opposite to a gap between a first tooth portion and/or a second tooth portion located on the inner side of the same end plate.
Two end plates 1b and two flat plate 1a integrated into one piece, after their one end is buckled, this end is sealed, and the other end is sealed by end cover 17, install ball bearing 2 and ball bearing 16 in the blind end of casing and the end cover 17 respectively, pivot 7 is installed at the center of casing 1 through two ball bearing, pivot 7 stretches out the cover is equipped with output shaft 6 behind the casing 1, ball bearing 2 with install copper sheathing 8 and sleeve pipe 9 on the pivot 7 between the rotor core 10, copper sheathing 8 supports tightly on output shaft 6, and sleeve pipe 9 is used for insulating the tight on rotor core 10 of supporting tightly, and the coating has insulating layer 11 on rotor core 10 and the rotor tooth 10a, and coil winding 12 is connected with conducting plate 13, and conducting plate 13 is connected with brush 15, installs gasket 14 on the pivot 7 between brush 15 and the ball bearing 16.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and that those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (10)
1. A stator structure of a reciprocating rotary motor includes a housing (1), characterized in that: the motor shell (1) is internally provided with two first tooth parts (5) and two second tooth parts (4), the two second tooth parts (4) are adjacently arranged, the two first tooth parts (5) are just opposite to the two second tooth parts (4), the first tooth parts (5) are made of nonmagnetic materials, and the second tooth parts (4) are made of magnetic materials.
2. The stator structure of a reciprocating rotary electric machine according to claim 1, wherein: the first tooth part (5) is made of a magnetic conductive material.
3. The stator structure of a reciprocating rotary electric machine according to claim 1 or 2, wherein: the casing (1) comprises two flat plates (1a) which are arranged oppositely, and arc-shaped end plates (1b) are connected to two sides of the two flat plates (1a) respectively.
4. The stator structure of a reciprocating rotary electric machine according to claim 3, wherein: the two second teeth (4) are arranged on the inner side of one end plate (1b), the two first teeth (5) are arranged on the inner side of the other end plate (1b), the magnetic poles of the second teeth (4) are distributed along the radial direction of the machine shell (1), and the magnetic poles of the two second teeth (4) close to the center side of the machine shell (1) are opposite.
5. The stator structure of a reciprocating rotary electric machine according to claim 3, wherein: the two second tooth parts (4) are respectively arranged on the inner sides of the two end plates (1b), the two first tooth parts (5) are also respectively arranged on the inner sides of the two end plates (1b), magnetic poles of the second tooth parts (4) are distributed along the radial direction of the machine shell (1), and the magnetic poles of the second tooth parts (4) close to the center side of the machine shell (1) are the same.
6. The stator structure of a reciprocating rotary electric machine according to claim 3, wherein: an end frame (3) is installed in the machine shell (1), mounting grooves are formed in the end frame (3) corresponding to the first tooth portion (5) and the second tooth portion (4) respectively, and the first tooth portion (5) and the second tooth portion (4) are clamped in the corresponding mounting grooves respectively.
7. The stator structure of a reciprocating rotary electric machine according to claim 3, wherein: the first tooth part (5) and the second tooth part (4) are arc-shaped, the convex surfaces of the first tooth part and the second tooth part are tightly attached to the inner wall of the machine shell (1), the concave surfaces of the first tooth part and the second tooth part face the center of the machine shell (1), the arc centers of the first tooth part and the second tooth part are overlapped with the center of the machine shell (1), and the thickness of the first tooth part (5) is equal to that of the second tooth part (4).
8. A reciprocating rotary motor characterized by: comprising a stator structure according to claim 1 or 2, and a rotor cooperating with the stator structure is further arranged in the casing (1).
9. The reciprocating rotary motor of claim 8, wherein: the shell (1) comprises two flat plates (1a) which are arranged oppositely, and two sides of each of the two flat plates (1a) are respectively connected with a circular arc-shaped end plate (1 b);
the two second teeth (4) are arranged on the inner side of one end plate (1b), the two first teeth (5) are arranged on the inner side of the other end plate (1b), the magnetic poles of the second teeth (4) are distributed along the radial direction of the machine shell (1), and the magnetic poles of the two second teeth (4) close to the center side of the machine shell (1) are opposite;
the rotor is in including the cartridge pivot (7) at stator structure center, and the cartridge has rotor core (10) on this pivot (7), install two rotor teeth (10a) on rotor core (10), the winding has coil winding (12) on rotor tooth (10a), on two rotor teeth (10a) the magnetic pole that coil winding (12) produced is opposite, two rotor tooth (10a) are towards two end plates (1b) of casing (1) respectively.
10. The reciprocating rotary motor of claim 8, wherein: the shell (1) comprises two flat plates (1a) which are arranged oppositely, and two sides of each of the two flat plates (1a) are respectively connected with a circular arc-shaped end plate (1 b);
the two second tooth parts (4) are respectively arranged on the inner sides of the two end plates (1b), the two first tooth parts (5) are also respectively arranged on the inner sides of the two end plates (1b), magnetic poles of the second tooth parts (4) are distributed along the radial direction of the machine shell (1), and the magnetic poles of the two second tooth parts (4) close to the center side of the machine shell (1) are the same;
the rotor is in including the cartridge pivot (7) at stator structure center, and the cartridge has rotor core (10) on this pivot (7), install two rotor teeth (10a) on rotor core (10), the winding has coil winding (12) on rotor tooth (10a), on two rotor teeth (10a) the magnetic pole that coil winding (12) produced is opposite, two rotor tooth (10a) are towards two end plates (1b) of casing (1) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214397.4U CN216959448U (en) | 2022-01-26 | 2022-01-26 | Stator structure of reciprocating rotating motor and reciprocating rotating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214397.4U CN216959448U (en) | 2022-01-26 | 2022-01-26 | Stator structure of reciprocating rotating motor and reciprocating rotating motor |
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| Publication Number | Publication Date |
|---|---|
| CN216959448U true CN216959448U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220214397.4U Active CN216959448U (en) | 2022-01-26 | 2022-01-26 | Stator structure of reciprocating rotating motor and reciprocating rotating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216959448U (en) |
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- 2022-01-26 CN CN202220214397.4U patent/CN216959448U/en active Active
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