CN107896020B - Driving motor - Google Patents
Driving motor Download PDFInfo
- Publication number
- CN107896020B CN107896020B CN201711387459.1A CN201711387459A CN107896020B CN 107896020 B CN107896020 B CN 107896020B CN 201711387459 A CN201711387459 A CN 201711387459A CN 107896020 B CN107896020 B CN 107896020B
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- Prior art keywords
- sleeve
- magnet
- coil
- shaft
- casing
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- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/12—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking
- H02K7/125—Structural association with clutches, brakes, gears, pulleys or mechanical starters with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking magnetically influenced
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a driving motor, which comprises a casing, wherein a through shaft penetrating along the axial direction of the casing is arranged on the casing, and the casing is also provided with: the supporting devices are arranged at two ends of the shell and comprise sliding bearings and ball bearings nested outside the sliding bearings, and the through shaft is arranged in the sliding bearings; the sliding driving device comprises a magnetic ring arranged on the through shaft and an annular coil fixed on the inner wall of the shell; the rotary driving device comprises a magnet sleeve arranged on the through shaft, a magnet arranged on the magnet sleeve and an arc-shaped coil arranged on the inner wall of the shell. The invention realizes the forward and backward movement of the through shaft by utilizing the mutual attraction and repulsion between the magnetic field generated by the circular coil energization and the magnetic ring, realizes the forward and backward rotation of the through shaft by utilizing the mutual repulsion between the magnetic field generated by the arc coil energization and the magnet, has simple structure, can realize the two functions of rotation and sliding without being combined with other parts, and has strong applicability.
Description
Technical Field
The invention relates to the field of electric appliances, in particular to a driving motor.
Background
The motor is widely applied to power mechanisms, transportation tools such as automobiles and the like, and various household appliances such as electric toothbrushes, blowers and the like. For the motor, the rotation or sliding of the executing component is generally needed, but most of the current motors have single functions, only can realize the rotation function and forward rotation or reverse rotation, but the axial sliding can be realized only by combining with other components, so that the motor is single in application occasion or can realize the function only by combining multiple components.
Therefore, the existing motor has the problems of single function and poor applicability.
Disclosure of Invention
The invention aims to solve the technical problems of single function and poor applicability of the existing motor.
In order to solve the technical problems, the technical scheme adopted by the invention is that the driving motor comprises a shell, wherein a through shaft penetrating along the axial direction of the shell is arranged on the shell, and the shell is also provided with:
the support device is arranged at two ends of the shell and comprises a sliding bearing and a ball bearing nested outside the sliding bearing, and the through shaft is arranged in the sliding bearing;
the sliding driving device comprises a magnetic ring arranged on the through shaft and an annular coil fixed on the inner wall of the shell;
the rotary driving device comprises a magnet sleeve arranged on the through shaft, a magnet arranged on the magnet sleeve and an arc-shaped coil arranged on the inner wall of the shell.
In another preferred embodiment, a first sleeve is arranged in the magnetic ring, a second sleeve is arranged between the first sleeve and the magnet sleeve, washers are respectively arranged at two ends of the through shaft, the washers are abutted against or separated from the inner side surface of the sliding bearing, and the washers, the first sleeve, the second sleeve and the other washers are tightly matched.
In another preferred embodiment, an end cover is arranged at one end of the casing, a neck part is arranged at the other end of the casing, and the two supporting devices are respectively arranged in the end cover and the neck part.
In another preferred embodiment, the annular coil is disposed on a collar and the arcuate coil is disposed on a coil support.
In another preferred embodiment, a first micro magnet is disposed on the outer peripheral surface of the second sleeve, a second micro magnet is disposed on the coil support, and the first micro magnet and the second micro magnet are disposed on a cross section of the through shaft.
In another preferred embodiment, two symmetrical clamping grooves are formed in the magnet sleeve, the magnets are in arc shapes and are respectively arranged in the clamping grooves, and the magnet sleeve and the magnets are clamped to form a cylinder shape.
In another preferred embodiment, the inner wall of the housing is provided with a fixing location, on which the collar and the coil support are arranged.
In another preferred embodiment, the end cap is provided with two sockets, in which energizing terminals are provided.
The invention adopts PWM rectangular wave to drive, uses the magnetic field generated by circular coil to attract and repel each other to realize the forward and backward movement of the through shaft, uses the magnetic field generated by arc coil to repel each other to realize the forward and backward rotation of the through shaft, and sets the slip and rotation at different positions of the shell, thus having simple structure, and realizing the two functions of rotation and slip without being combined with other components, and having strong applicability.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the end cap of the present invention;
FIG. 4 is a schematic view of the structure of the collar of the present invention;
FIG. 5 is a schematic view of the structure of the magnet sleeve and magnet of the present invention;
fig. 6 is a schematic structural view of the coil support and the arc-shaped coil of the present invention.
Detailed Description
The present invention provides a drive motor, and the present invention will be described in detail with reference to specific embodiments and accompanying drawings.
As shown in fig. 1 and 2, the driving motor provided by the invention comprises a casing 5, a through shaft 10 penetrating along the axial direction of the casing 5 is arranged on the casing 5, and a sliding driving device and a rotating driving device which are arranged side by side are also arranged on the casing 5.
The sliding driving device comprises a magnetic ring 13 arranged on the through shaft 10 and an annular coil 6 fixed on the inner wall of the casing 5, wherein the annular coil 6 is arranged opposite to the magnetic ring 13. The rotation driving device includes a magnet sleeve 18 provided on the through shaft 10, a magnet 17 provided on the magnet sleeve 18, and an arc-shaped coil 9 provided on the inner wall of the housing 5, the arc-shaped coil 9 being disposed opposite to the magnet 17.
The invention adopts PWM rectangular wave for driving, realizes the forward and backward movement of the through shaft 10 by utilizing the mutual attraction and repulsion action of the magnetic field generated by the electrifying of the annular coil 6 and the magnetic ring 13, realizes the forward and backward rotation of the through shaft 10 by utilizing the mutual repulsion of the magnetic field generated by the electrifying of the arc coil 9 and the magnetic ring 17, and has the advantages of simple structure and strong applicability, and the two functions of rotation and sliding can be realized without being combined with other components by arranging the sliding and rotation at different positions of the shell 5.
The invention also comprises supporting devices which are arranged at two ends of the shell 5 and comprise a sliding bearing 1 and a ball bearing 2 nested outside the sliding bearing 1, and a through shaft 10 is arranged in the sliding bearing 1. The sliding bearing 1 enables the through shaft 10 to realize sliding motion, the ball bearing 2 ensures that the through shaft 10 can realize rotating motion, and the supporting device enables the through shaft 10 to move flexibly and smoothly.
The magnetic ring 13 is internally provided with a first sleeve 12, a second sleeve 14 is arranged between the first sleeve 12 and the magnet sleeve 18, two ends of the through shaft 10 are respectively provided with a gasket 11, the gaskets 11 are abutted against or separated from the inner side surface of the sliding bearing 1, the gaskets 11, the first sleeve 12, the second sleeve 14 and the other gasket 11 are tightly matched, the moving range of the through shaft 10 is limited between the two gaskets 11 by the four parts, and the positions of the magnetic ring 13 and the magnet 17 are fixed and cannot deviate.
One end of the shell 5 is provided with an end cover 4, the other end is provided with a necking part 19, and the two supporting devices are respectively arranged in the end cover 4 and the necking part 19. Due to the installation requirements, at least one opening is required to allow the components to be fitted into the housing 5, while the provision of the neck 19 allows a good fit between the through shaft 10 and the support means, which results in a stable and accurate positioning of the support means.
The annular coil 6 is arranged on the annular sleeve 7, and the arc-shaped coil 9 is arranged on the coil bracket 8. The arrangement of the annular sleeve 7 and the coil support 8 provides a carrier for the arrangement of the annular coil 6 and the arc-shaped coil 9, and the annular coil 6 and the arc-shaped coil 9 can be assembled in the shell 5, so that the installation accuracy of the annular coil 6 and the arc-shaped coil 9 is improved, and the annular coil can react with the magnetic ring 13 or the magnet 17 after being electrified.
The outer peripheral surface of the second sleeve 14 is provided with a first micro magnet 15, the coil support 8 is provided with a second micro magnet 16, the first micro magnet 15 rotates or translates along with the second sleeve 14, and the first micro magnet 15 and the second micro magnet 16 stop the through shaft 10 through mutual attraction. The through shaft 10 is stopped rapidly after power is not provided any more by utilizing the principle of magnetic attraction, so that braking is realized, forced braking is not needed by utilizing a mechanical structure, and abrasion between the through shaft 10 and adjacent parts is reduced.
The second sleeve 14 and the coil support 8 are both made of plastic materials, a first mounting hole for mounting the first miniature magnet 15 is formed in the outer peripheral surface of the second sleeve 14, and a second mounting hole for mounting the second miniature magnet 16 is formed in the inner wall of the coil support 8. The plastic material can avoid causing the interference to the suction of magnet, and first mounting hole and second mounting hole make the installation more convenient.
As shown in fig. 5, two symmetrical clamping grooves are formed in the magnet sleeve 18, and two magnets are arc-shaped and block-shaped and are respectively arranged in the clamping grooves, and the magnet sleeve 18 and the magnets are clamped to form a cylinder shape. The structure of joint groove makes magnet sleeve pipe 18 and magnet be convenient for install to it is cylindric after the installation, and two magnets take turns to react with arc coil 9, and the structure is symmetrical, and the drive power is strong.
As shown in fig. 4 and 6, the inner wall of the casing 5 is provided with a fixing position on which the loop 7 and the coil support 8 are sequentially disposed. By means of the fixing position, the loop 7 and the coil support are easy to install, and the installation accuracy can be improved.
As shown in fig. 3, the end cap 4 is provided with two sockets in which the energizing terminals 3 are provided. The energizing terminal 3 ensures the energized or deenergized state of the loop coil 6 and the arc coil 9.
The invention adopts PWM rectangular wave to drive, uses the magnetic field generated by circular coil to attract and repel each other to realize the forward and backward movement of the through shaft, uses the magnetic field generated by arc coil to repel each other to realize the forward and backward rotation of the through shaft, and sets the slip and rotation at different positions of the shell, thus having simple structure, and realizing the two functions of rotation and slip without being combined with other components, and having strong applicability.
The present invention is not limited to the above-mentioned preferred embodiments, and any person should know the structural changes obtained under the teaching of the present invention, and all the technical solutions that are the same or similar to the present invention fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a driving motor, includes the casing, be equipped with the logical axle that runs through along its axial on the casing, its characterized in that still is equipped with side by side on the casing: the sliding driving device comprises a magnetic ring arranged on the through shaft and an annular coil fixed on the inner wall of the shell, and the annular coil is arranged opposite to the magnetic ring; the rotary driving device comprises a magnet sleeve arranged on a through shaft, a magnet arranged on the magnet sleeve and an arc coil arranged on the inner wall of the shell, wherein the arc coil is arranged opposite to the magnet, the rotary driving device further comprises a supporting device, the supporting device is arranged at two ends of the shell and comprises a sliding bearing and a ball bearing nested outside the sliding bearing, the through shaft is arranged in the sliding bearing, a first sleeve is arranged in a magnetic ring, a second sleeve is arranged between the first sleeve and the magnet sleeve, gaskets are respectively arranged at two ends of the through shaft, the gaskets are abutted to or separated from the inner side surface of the sliding bearing, the first sleeve, the second sleeve and the other are tightly matched, the annular coil is arranged on a ring sleeve, the arc coil is arranged on a coil support, a first micro magnet is arranged on the outer peripheral surface of the second sleeve, a second micro magnet is arranged on the coil support, the first micro magnet rotates or translates along with the second sleeve, the first micro magnet and the second magnet are symmetrically clamped with each other through the first sleeve and the second sleeve, and the two magnets are symmetrically clamped with each other, and the two cylindrical sleeves are symmetrically clamped with each other.
2. A drive motor according to claim 1, wherein one end of the housing is provided with an end cap and the other end is provided with a neck portion, and the two support means are provided in the end cap and the neck portion, respectively.
3. A drive motor as claimed in claim 1, wherein the inner wall of the housing is provided with a fixing location, and the collar and the coil support are sequentially disposed on the fixing location.
4. A drive motor as claimed in claim 2, wherein the end cap is provided with two sockets, and wherein the sockets are provided with energizing terminals.
5. The drive motor according to claim 1, wherein the second sleeve and the coil bracket are both made of plastic materials, a first mounting hole for mounting the first micro magnet is formed in an outer circumferential surface of the second sleeve, and a second mounting hole for mounting the second micro magnet is formed in an inner wall of the coil bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387459.1A CN107896020B (en) | 2017-12-20 | 2017-12-20 | Driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387459.1A CN107896020B (en) | 2017-12-20 | 2017-12-20 | Driving motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107896020A CN107896020A (en) | 2018-04-10 |
| CN107896020B true CN107896020B (en) | 2024-04-12 |
Family
ID=61808322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711387459.1A Active CN107896020B (en) | 2017-12-20 | 2017-12-20 | Driving motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107896020B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110601488B (en) * | 2019-08-06 | 2021-11-16 | 中山市德芯智能电子科技有限公司 | Vibrating motor and electric toothbrush |
| CN112755623A (en) * | 2020-12-31 | 2021-05-07 | 陈张萍 | Rotary dewatering type solid-liquid separation filter pressing device |
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