CN212210665U - Electric motor - Google Patents
Electric motor Download PDFInfo
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- CN212210665U CN212210665U CN202021391350.2U CN202021391350U CN212210665U CN 212210665 U CN212210665 U CN 212210665U CN 202021391350 U CN202021391350 U CN 202021391350U CN 212210665 U CN212210665 U CN 212210665U
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- rotating shaft
- electric motor
- shell
- magnet
- silicon steel
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Abstract
The utility model discloses an electric motor, its characterized in that: the motor comprises a motor rotor, a silicon steel sheet stator, a rotating shaft, an upper shell and a lower shell, wherein the upper shell and the lower shell are assembled into a shell, and a hollow cavity structure is arranged in the shell; the silicon steel sheet stator is provided with a rotating cavity, the silicon steel sheet stator is arranged in the hollow cavity structure, and the motor rotor is rotationally arranged in the rotating cavity; one end of the motor rotor is connected with one end of the rotating shaft. The beneficial effects are that: the rotor assembly adopts the mounting structure that the special-shaped magnet and the magnet increasing sheet are provided with the clamping keys and the positioning holes, so that the rotor is more reliably fixed; thereby can seal the structural component who sets up in inferior valve inside owing to add the reason that is equipped with the epitheca, can effectively reduce water stain or dust and get into inside, effectively improved electric motor's life.
Description
Technical Field
The utility model relates to an electromagnetic vibration technical field, especially an electric motor.
Background
The electric motor is applied to products such as an electric toothbrush, and the like, wherein an eccentric wheel is arranged at one end of a central shaft, and an exciting force is obtained by utilizing a centrifugal force generated by the high-speed rotation of the central shaft and the eccentric wheel, so that the aim of vibration is fulfilled.
The structural design of the existing electric motor is complex, the existing electric motor needs to be bonded by adopting viscose glue, the installation and the operation are complex, the energy consumption is high, and in the process of rotating the rotating shaft after the existing electric motor is used for a period of time, the magnetic sheets can be loosened and the like. In addition, the existing electric motors are not provided with a complete shell, when the electric motors are applied to toothbrushes and the like and applied to environments possibly contacting water, the electric motors are not protected by the complete shell, water stains easily permeate into the electric motors, the electric motors cannot be normally used, protective dust without a top cover also easily enters the electric motors, the service life is influenced, and even dangers such as abnormal sound or rotor blockage can occur.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims to provide a dismouting simple to operate, it is effectual to seal the protection to electric motor that life is longer.
To achieve the purpose, the utility model adopts the following technical proposal:
an electric motor comprises a motor rotor, a silicon steel sheet stator, a rotating shaft, an upper shell and a lower shell,
the upper shell and the lower shell are assembled into a shell, and a hollow cavity structure is arranged inside the shell;
the silicon steel sheet stator is provided with a rotating cavity, the silicon steel sheet stator is arranged in the hollow cavity structure, and the motor rotor is rotationally arranged in the rotating cavity;
one end of the motor rotor is connected with one end of the rotating shaft, the motor rotor comprises a rotating shaft, at least one mounting seat, at least two magnets and at least two magnet increasing sheets, the mounting seat is arranged on the rotating shaft, bayonets are respectively arranged at the top and the bottom of the mounting seat, one magnet increasing sheet is respectively arranged on the upper outer wall and the lower outer wall of the rotating shaft, clamping keys are respectively arranged at the end parts of the two magnet increasing sheets, the clamping keys are buckled with the bayonets, and positioning holes of the magnet increasing sheets can increase the mounting reliability with the rotating shaft;
the left outer wall and the right outer wall of the rotating shaft are respectively provided with one magnet, and the upper edge and the lower edge of each magnet are compacted and fixed by the two magnetizing magnet sheets.
Preferably, in the electric motor, a reset component is arranged at the other end of the motor rotor;
the reset assembly comprises a reset elastic sheet and a rotation stopping fixed block, one end of the reset elastic sheet is rotatably connected with the rotating shaft, and the other end of the reset elastic sheet is connected with the rotation stopping fixed block.
Preferably, in the electric motor, at least one plastic partition plate is respectively disposed at the left end and the right end of the silicon steel sheet stator.
Preferably, in the electric motor, the plastic partition plate is provided with a coil support, and the coil support is wound with a coil.
Preferably, in the electric motor, one end of the upper casing and one end of the lower casing are provided with a damping spring.
Preferably, in the electric motor, the motor rotor further includes a bearing, and the bearing is sleeved outside the rotating shaft; the rotating shaft is rotatably mounted to the upper case and/or the lower case through a bearing.
Preferably, in the electric motor, the upper casing and the lower casing are mounted by means of screws or rivets.
Preferably, in the electric motor, the other end of the rotating shaft is provided with a supporting sleeve.
Preferably, in the electric motor, the upper housing and the top of the lower housing are joined to form an annular convex edge, a waterproof cap is disposed on the top end of the supporting sleeve, the waterproof cap is disposed on the outer wall of the rotating shaft, the top of the supporting sleeve is sealed, and the bottom of the supporting sleeve is sleeved on the outer portion of the annular convex edge.
The utility model has the advantages that:
(1) can produce magnetic field through the blade of silicon steel stator that sets up at the inferior valve inner wall, the rethread sets up magnet and magnet adding piece at the rotation axis outer wall under the mutual repulsion effort of magnetic force to effectual realization drives whole rotation axis and carries out reciprocating motion's function, and the output is stable, thereby can seal the structural component who sets up in inferior valve inside owing to add the reason that is equipped with the epitheca, can effectively reduce water stain or dust and get into inside, has effectively improved electric motor's life.
(2) Through the mount pad that the rotation axis set up to the top and the bottom of mount pad are equipped with the bayonet socket respectively, because the tip of magnet adding sheet all is equipped with the card key, and the card key corresponds the bayonet socket installation, and the reference column corresponds the locating hole installation, and such structural design can just the compaction is fixed with the upper and lower edge of magnet through the piece magnet adding sheet, can not produce not hard up and noise, and need not adopt the viscose structural fixation magnet, the change is dismantled in the future to be convenient for, also makes electric motor structure is more stable simple.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a schematic structural diagram of the motor rotor according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the magnetizing iron sheet according to an embodiment of the present invention.
Wherein: the device comprises an upper shell 11, a lower shell 12, a motor rotor 13, a silicon steel sheet stator 14, a rotating shaft 15, a reset assembly 16, a rotating shaft 17, a mounting seat 18, a magnet 19, a magnet adding sheet 22, a bayonet 23, a clamping key 24, a reset elastic sheet 25, a rotation stopping fixed block 26, a plastic partition plate 27, a damping spring 28, a bearing 29, a supporting sleeve 33, a waterproof sleeve cap 34, a coil support 35 and a coil 36.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, 2, 3 and 4, an electric motor includes a motor rotor 13, a silicon steel sheet stator 14, a rotating shaft 15, an upper shell 11 and a lower shell 12, wherein the upper shell 11 and the lower shell 12 are assembled into a housing, and a hollow cavity structure is arranged inside the housing;
the silicon steel sheet stator 14 is provided with a rotating cavity, the silicon steel sheet stator is arranged in the hollow cavity structure, and the motor rotor 13 is rotationally arranged in the rotating cavity;
one end of the motor rotor 13 is connected with one end of the rotating shaft 15, the motor rotor 13 comprises a rotating shaft 17, at least one mounting seat 18, at least two magnets 19 and at least two magnetizing iron sheets 22, the mounting seat 18 is arranged on the rotating shaft 17, bayonets 23 are respectively arranged at the top and the bottom of the mounting seat 18, one magnetizing iron sheet 22 is respectively arranged on the upper outer wall and the lower outer wall of the rotating shaft 17, clamping keys 24 are respectively arranged at the end parts of the two magnetizing iron sheets 22, and the clamping keys 24 are installed with the bayonets 23 in a clamping manner;
the left outer wall and the right outer wall of the rotating shaft 17 are respectively provided with a magnet 19, the upper edge and the lower edge of the magnet 19 are compacted and fixed by two magnet adding sheets 22, a magnetic field can be generated by a silicon steel sheet stator 14 arranged on the inner wall of the lower shell 12, and then the magnet 19 and the magnet adding sheets 22 arranged on the outer wall of the rotating shaft 17 are under the mutual repulsive acting force of magnetic force, so that the function of driving the whole rotating shaft 17 to reciprocate is effectively realized, the output is stable, structural components arranged inside the lower shell 12 can be sealed due to the addition of the upper shell 11, water stain or dust entering the interior can be effectively reduced, and the service life of the electric motor is effectively prolonged; through the mount pad 18 of rotation axis 17 setting, and the top and the bottom of mount pad 18 are equipped with bayonet 23 respectively, because the tip of magnet increasing sheet 22 all is equipped with card key 24, card key 24 and the installation of bayonet 23 buckle, such structural design can just the compaction is fixed with magnet 19's upper and lower edge through piece magnet increasing sheet 22, can not produce not hard up and noise, and need not adopt viscose structure fixed magnet 19, be convenient for dismantle the change in the future, also make electric motor structure more stable simple.
In the electric motor of the utility model, the other end of the motor rotor 13 is provided with a reset component 16;
the reset assembly 16 comprises a reset elastic sheet 25 and a rotation stopping fixing block 26, one end of the reset elastic sheet 25 is rotatably connected with the rotating shaft 17, and the other end of the reset elastic sheet 25 is mounted on the rotation stopping fixing block 26, and the reset elastic sheet 25 has certain elasticity, so that when the rotating shaft 17 moves, certain elastic deformation can be generated, and when a magnetic field disappears, the rotating shaft 17 can be driven to return to an initial position by utilizing the special elasticity of the reset elastic sheet 25.
The utility model provides an electric motor, wherein silicon steel sheet stator 14 controls both ends and is equipped with an at least plastic baffle 27 respectively, and such design can be through the more firm installation of silicon steel sheet stator 14 inside inferior valve 12 of plastic baffle 27.
The utility model provides an electric motor, wherein plastic baffle 27 is equipped with coil support 35, and coil support 35 is around being equipped with coil 36, and such design makes when circular telegram for coil 36, can produce magnetic field around coil 36, changes the flow direction of 36 internal current of coil, can change the direction in magnetic field to produce the phenomenon that attracts mutually with 19 like poles repelling opposite poles of magnet, finally make 19 of magnet drive rotation axis 17 swing back and forth.
The utility model provides an electric motor, wherein the one end of epitheca 11 and inferior valve 12 is equipped with damping spring 28, and such design can work as the vibration that rotation axis 17 can produce in the motion process, owing to be equipped with damping spring 28 to can effectively reduce the vibration that appears with other part installation cooperations.
In the electric motor of the present invention, the motor rotor 13 further includes a bearing 29, and the bearing 29 is sleeved outside the rotating shaft 17; the rotary shaft 17 is rotatably mounted to the upper case 11 and/or the lower case 12 through a bearing 29, and this arrangement makes it possible to make the rotary shaft 17 have less resistance to swinging, less noise, and more stable output, since the rotary shaft 17 is provided with the bearing 29 during movement of the rotary shaft 17.
The utility model provides an electric motor, wherein upper shell 11 and lower shell 12 pass through the connected mode installation of screw or rivet, and such design makes to dismantle more convenient to be convenient for maintain in the future and change.
The utility model provides an electric motor, wherein the other end of axis of rotation 15 is equipped with supporting sleeve 33, rotates through axis of rotation 15 that rotation axis 17 drove, can carry out limiting displacement to axis of rotation 15 through such design of supporting sleeve 33 to also can reduce the vibration.
The utility model provides an electric motor, wherein the top concatenation of epitheca 11 and inferior valve 12 forms the protruding edge portion of annular, supporting sleeve 33's top is provided with waterproof cap 34, and waterproof cap 34 locates the outer wall of axis of rotation 15, top shutoff with supporting sleeve, the outside on the protruding edge of annular is located to supporting sleeve's bottom cover, be connected with supporting sleeve 33's head end through the waterproof cap 34 that sets up at axis of rotation 15 outer wall, thereby can be with axis of rotation 15 totally enclosed, water stain can permeate inferior valve 12 inside also having prevented like this in the motion process, influence the device and use.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (9)
1. An electric motor characterized by: comprises a motor rotor, a silicon steel sheet stator, a rotating shaft, an upper shell and a lower shell,
the upper shell and the lower shell are assembled into a shell, and a hollow cavity structure is arranged inside the shell;
the silicon steel sheet stator is provided with a rotating cavity, the silicon steel sheet stator is arranged in the hollow cavity structure, and the motor rotor is rotationally arranged in the rotating cavity;
one end of the motor rotor is connected with one end of the rotating shaft, the motor rotor comprises a rotating shaft, at least one mounting seat, at least two magnets and at least two magnet increasing sheets, the mounting seat is arranged on the rotating shaft, bayonets are respectively arranged at the top and the bottom of the mounting seat, one magnet increasing sheet is respectively arranged on the upper outer wall and the lower outer wall of the rotating shaft, clamping keys are respectively arranged at the end parts of the two magnet increasing sheets, the clamping keys are buckled with the bayonets, and the magnet increasing sheets are respectively provided with two positioning holes, so that the magnet increasing sheets are more firmly mounted;
the left outer wall and the right outer wall of the rotating shaft are respectively provided with one magnet, and the upper edge and the lower edge of each magnet are compacted and fixed by the two magnetizing magnet sheets.
2. The electric motor of claim 1, wherein: the other end of the motor rotor is provided with a resetting component;
the reset assembly comprises a reset elastic sheet and a rotation stopping fixed block, one end of the reset elastic sheet is rotatably connected with the rotating shaft, and the other end of the reset elastic sheet is connected with the rotation stopping fixed block.
3. The electric motor of claim 1, wherein: the left end and the right end of the silicon steel sheet stator are respectively provided with at least one plastic partition plate.
4. The electric motor of claim 3, wherein: the plastic partition board is provided with a coil support, and a coil is wound on the coil support.
5. The electric motor of claim 1, wherein: and one end of the upper shell and one end of the lower shell are provided with damping springs.
6. The electric motor of claim 1, wherein: the motor rotor also comprises a bearing, and the bearing is sleeved outside the rotating shaft; the rotating shaft is rotatably mounted to the upper case and/or the lower case through a bearing.
7. The electric motor of claim 1, wherein: the upper shell and the lower shell are installed in a screw or rivet connection mode.
8. The electric motor of claim 1, wherein: and a supporting sleeve is arranged at the other end of the rotating shaft.
9. The electric motor of claim 8, wherein: the epitheca with the top concatenation of inferior valve forms the protruding edge portion of annular, the top of support sleeve is provided with waterproof cover cap, just waterproof cover cap is located the outer wall of axis of rotation will the top shutoff of support sleeve, the bottom cover of support sleeve is located the outside on the protruding edge of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021391350.2U CN212210665U (en) | 2020-07-15 | 2020-07-15 | Electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021391350.2U CN212210665U (en) | 2020-07-15 | 2020-07-15 | Electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212210665U true CN212210665U (en) | 2020-12-22 |
Family
ID=73818883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021391350.2U Active CN212210665U (en) | 2020-07-15 | 2020-07-15 | Electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212210665U (en) |
-
2020
- 2020-07-15 CN CN202021391350.2U patent/CN212210665U/en active Active
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