CN110380590A - Miniature motor - Google Patents
Miniature motor Download PDFInfo
- Publication number
- CN110380590A CN110380590A CN201910630393.7A CN201910630393A CN110380590A CN 110380590 A CN110380590 A CN 110380590A CN 201910630393 A CN201910630393 A CN 201910630393A CN 110380590 A CN110380590 A CN 110380590A
- Authority
- CN
- China
- Prior art keywords
- coil
- output shaft
- magnetic part
- fixed
- shell
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/12—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a kind of miniature motors, including shell, it slides axially in the shell and is provided with output shaft, the first magnetic part is provided in the shell, the second magnetic part is fixedly installed on the output shaft, first magnetic part and/or the second magnetic part pole change realize the driving axially slid to output shaft along shell, wind spring are also arranged on the output shaft, the outer peripheral surface fixed setting of the plane scroll spring is in the housing.Its structure is simple, so that axially output is more stable for motor, while having smaller noise.
Description
Technical field
The present invention relates to miniature motor technical field, especially a kind of miniature motor axially exported.
Background technique
Motor is also known as motor, electronic starter.Working principle is that stress turns in magnetic field by energization fixed coil
It moves and central axis is driven to work, central axis rotation is to realize output acting, with the development of technology and the increasing of social demand
Adding, such as in field of electric toothbrushes, it is necessary to motor output shaft axially does work, and in order to realize axial acting, generally use tooth
Rotation is exported acting transformation and is axially moved by wheel or rack structure, using this form, the reaction time of integral device output
It is longer, multistage energy transmission is existed simultaneously, output power is caused to reduce and the waste of the energy, output power is sometimes not yet
It is enough to stablize, and there is biggish noise, such as in electric toothbrush, this motor can also generate biggish vibration, influence to make
The gripping of user, and overall structure is relatively complicated, is unfavorable for processing.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of miniature motor, and structure is simple, so that motor axially exports
It is more stable, while there is smaller noise.
The present invention provides a kind of miniature motor, including shell, slides axially in the shell and is provided with output shaft, described
It is provided with the first magnetic part in shell, the second magnetic part, first magnetic part and/or are fixedly installed on the output shaft
Two magnetic part pole changes realize the driving axially slid to output shaft along shell, are also arranged with wind spring on the output shaft, institute
State the outer peripheral surface fixed setting of plane scroll spring in the housing.
The beneficial effect being arranged in this way is: being arranged to this form, passes through the first magnetic part and/or the magnetic of the second magnetic part
Pole-change so that output shaft slides axially along shell, the first magnetic part and the second magnetic part here when using loop construction,
Reversal of magnetism is realized by connecting substrate, and substrate is powered using PWM, thus realize the reversal of magnetism of coil class magnetic part, it is real
Now attract or repel, so that output shaft slides axially along shell, wind spring is further set on output shaft, so that output shaft is past
Move again more stable, and since reversal of magnetism acts on, output shaft is in slipping, and the case where being easy to appear deflection leads to
Certain rotation space can be provided by crossing wind spring, while facilitate the reset of rotation, improve the stability of output shaft movement, and
The using effect of product.
It is that plane scroll spring or cone cut scroll spring that the present invention, which is further arranged to the wind spring,.
The beneficial effect being arranged in this way is: using the above scheme, a scroll spring is cut using plane scroll spring or cone, it can be with
The preferably radial deflecting force of carrying, structure is more stable, is easily installed use.
The present invention is further arranged to the wind spring and is two and is arranged between shell both ends, the wind spring and output shaft
It is provided with axle sleeve.
The beneficial effect being arranged in this way is: using the above scheme, whole stability is further ensured that, so that output shaft is sliding
It moves more smoothly, improves the using effect of product.
The present invention is further arranged to second magnetic part both ends and is provided with pole piece.
The beneficial effect being arranged in this way is: using the above scheme, setting pole piece can play the role of poly- magnetic, so that whole
Body is magnetic more preferable, and output shaft movement is more smoothly, improves the using effect of product.
The present invention is further arranged to be further fixedly arranged on mass block on the output shaft.
The beneficial effect being arranged in this way is that using the above scheme, setting mass block can increase the inertia force of motor and have
Effect reduces the intrinsic frequency of motor, so that overall operation is more stable, while structure is simply conducive to realize.
The present invention is further arranged to first magnetic part end setting magnet ring.
The beneficial effect being arranged in this way is: using the above scheme, setting magnet ring can play a role of anti-interference, can be right
High-frequency noise plays inhibiting effect, further reduces noise, improves the using effect of product.
The present invention be further arranged to first magnetic part be the first fixed coil and the second fixed coil, described first
Fixed coil and the second fixed coil are circumferentially arranged along output shaft, and the magnetic pole of first fixed coil and the second fixed coil is same
To setting, second magnetic part is annular magnet, and the annular magnet is fixed to be set on output shaft and be arranged solid first
Between alignment circle and the second fixed coil.
The beneficial effect being arranged in this way is: using the above scheme, two coils are set in the housing, it can be by shell
On wear conducting wire and connect conductive, realize that coil is powered and obtain magnetic, the magnetic pole of two coils is in the same direction, the first fixed coil here
Circumferentially it is arranged with the second fixed coil along output shaft, refers to that two coils are arranged around output shaft, but do not contact with output shaft,
As preferably the first fixed coil and the second fixed coil lead concentrated setting the first fixed coil and the second fixed coil it
Between, so that cabling is more convenient, the annular magnet on output shaft is set, magnetic pole will not change, and be arranged in two lines
Between circle, thus by the attraction or repulsion of the first fixed coil and the second fixed coil, so that output shaft slides, this knot
Structure is simple, easy to accomplish.
The present invention be further arranged to first magnetic part be the first fixed magnet and the second fixed magnet, described first
Fixed magnet and the second fixed magnet magnetic pole are arranged in the same direction, and first fixed magnet and the second fixed magnet are circumferentially positioned at defeated
Outside shaft, second magnetic part is installation coil, and the installation coil is arranged on output shaft, and the installation coil is set
It sets between the first fixed magnet and the second fixed magnet.
The beneficial effect being arranged in this way is: using the above scheme, installation coil constantly converts magnetic by connecting alternating current
Pole, and be arranged between two magnetic pole fixed magnets in the same direction, so that output rod constantly slides, here as preferably exist
The cabling channel along the setting of shell length direction is opened up on shell between corresponding two fixed magnets, the lead of coil is installed from cabling
It walks out in slot and is connect with circuit substrate, and there are a small amount of lead allowances in the housing, slide, not will receive convenient for output shaft
The excessive drawing of lead, the motor for being suitable for exporting by a small margin in this way, while this structure is more simple, practical.
The present invention be further arranged to first magnetic part be first transformation coil and second transformation coil, described first
It converts coil and the second transformation coil to be circumferentially arranged along output shaft, the first transformation coil and the second transformation coil pole are in the same direction
Setting, second magnetic part are that third converts coil, and the third transformation coil is on output shaft, first transformation
What coil and the second transformation coil reversal of magnetism or third transformation coil reversal of magnetism realization axially slid output shaft along shell
Driving.
The beneficial effect being arranged in this way is: using the above scheme, being arranged to this form, can control by circuit control
Three convert the magnetic force size of coil and change pole orientation, thus realize the sliding of output shaft, this form circuit control
It is complex, but can produce bigger output power, and can be adjusted with operating condition or using equipment, this knot
Structure also very simple is conducive to realize.
Detailed description of the invention
Fig. 1 is the explosive figure of the embodiment of the present invention；
Fig. 2 is the cross section view of the embodiment of the present invention.
Specific embodiment
The first embodiment discloses a kind of miniature motor, including shell 1, the shell it can be seen from Fig. 1 and Fig. 2
It slides axially in body 1 and is provided with output shaft 2, the first magnetic part is provided in the shell 1, first magnetic part is first
Fixed coil 41 and the second fixed coil 42, first fixed coil 41 and the second fixed coil 42 are axially set along output shaft 2
It sets, the magnetic pole of first fixed coil 41 and the second fixed coil 42 is arranged in the same direction, first fixed coil 41 and second
42 end of fixed coil is provided with magnet ring 43, is fixedly installed the second magnetic part and mass block on the output shaft 2, and described second
Magnetic part is annular magnet 5, and the annular magnet 5 is fixed to be set on output shaft 2 and be arranged in the first fixed coil 41 and the
Between two fixed coils 42,5 both ends of annular magnet are provided with pole piece 51, are additionally provided on the shell 1 for controlling
First fixed coil 41 and 42 pole change of the second fixed coil realize the control base board axially slid to output shaft 2 along shell 1,
The control base board is connect with the first fixed coil 41 and the second fixed coil 42 by conducting wire, is also arranged on the output shaft 2
There is a wind spring, the wind spring is plane scroll spring 3, and the plane scroll spring 3 two is simultaneously arranged at 1 both ends of shell, described flat
Axle sleeve 32 is provided between face scroll spring 3 and output shaft 2, the shell 1 includes main body 11 and 11 both ends of main body are arranged in
Positioning plate 12 corresponds to 12 position of positioning plate on 11 inner wall of main body and is provided with locating slot 111, and the positioning plate 12 is circumferentially
It is formed with locating piece 121, the locating piece 121 forms the positioning of positioning plate 12 on the main body 11, institute with the clamping of locating slot 111
State that plane scroll spring 3 is circumferentially arranged to compress haptic element 31, the haptic element 31 that compresses is pressed on locating piece 121 and locating slot
Plane scroll spring 3 is formed between 111 to fix within the case 1.
The above embodiments are merely a preferred embodiment of the present invention, and cannot limit interest field of the invention with this, because
This, is still belonged to according to equivalent variations made by scope of the present invention patent, such as using similar technique, the equivalent product of similar structures
The range that the present invention is covered.
Claims (9)
1. a kind of miniature motor, including shell, slides axially in the shell and be provided with output shaft, it is characterised in that: is described
It is provided with the first magnetic part in shell, the second magnetic part, first magnetic part and/or are fixedly installed on the output shaft
Two magnetic part pole changes realize the driving axially slid to output shaft along shell, are also arranged with wind spring on the output shaft, institute
State the outer peripheral surface fixed setting of plane scroll spring in the housing.
2. miniature motor according to claim 1, it is characterised in that: the wind spring is that plane scroll spring or cone cut scrollwork
Spring.
3. miniature motor according to claim 1, it is characterised in that: second magnetic part both ends are provided with pole piece.
4. miniature motor according to claim 1, it is characterised in that: be further fixedly arranged on mass block on the output shaft.
5. miniature motor according to claim 1, it is characterised in that: the wind spring is two and is arranged at shell both ends,
Axle sleeve is provided between the wind spring and output shaft.
6. miniature motor according to claim 1, it is characterised in that: magnet ring is arranged in first magnetic part end.
7. miniature motor as claimed in any of claims 1 to 6, it is characterised in that: first magnetic part is the
One fixed coil and the second fixed coil, first fixed coil and the second fixed coil are axially arranged along output shaft, described
The magnetic pole of first fixed coil and the second fixed coil is arranged in the same direction, and second magnetic part is annular magnet, the annular magnetic
Ferropexy is set on output shaft and is arranged between the first fixed coil and the second fixed coil.
8. miniature motor as claimed in any of claims 1 to 6, it is characterised in that: first magnetic part is the
One fixed magnet and the second fixed magnet, first fixed magnet and the second fixed magnet magnetic pole are arranged in the same direction, and described first
Fixed magnet and the second fixed magnet are circumferentially positioned at outside output shaft, and second magnetic part is installation coil, the hookup wire
Circle is arranged on output shaft, and the installation coil is arranged between the first fixed magnet and the second fixed magnet.
9. miniature motor as claimed in any of claims 1 to 6, it is characterised in that: first magnetic part is the
One transformation coil and the second transformation coil, the first transformation coil and the second transformation coil are circumferentially arranged along output shaft, described
First transformation coil and the second transformation coil pole are arranged in the same direction, and second magnetic part is that third converts coil, the third
Coil is converted on output shaft, the first transformation coil and the second transformation coil reversal of magnetism or third convert coil magnetic
The driving axially slid to output shaft along shell is realized in pole-change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630393.7A CN110380590A (en) | 2019-07-12 | 2019-07-12 | Miniature motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910630393.7A CN110380590A (en) | 2019-07-12 | 2019-07-12 | Miniature motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110380590A true CN110380590A (en) | 2019-10-25 |
Family
ID=68253005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910630393.7A Pending CN110380590A (en) | 2019-07-12 | 2019-07-12 | Miniature motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110380590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187004A (en) * | 2020-10-15 | 2021-01-05 | 苏州索迩电子技术有限公司 | Broadband motor |
-
2019
- 2019-07-12 CN CN201910630393.7A patent/CN110380590A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112187004A (en) * | 2020-10-15 | 2021-01-05 | 苏州索迩电子技术有限公司 | Broadband motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |