CN206850648U - A kind of linear motor - Google Patents
A kind of linear motor Download PDFInfo
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- CN206850648U CN206850648U CN201720817631.1U CN201720817631U CN206850648U CN 206850648 U CN206850648 U CN 206850648U CN 201720817631 U CN201720817631 U CN 201720817631U CN 206850648 U CN206850648 U CN 206850648U
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- magnet
- oscillator
- linear motor
- housing
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Abstract
The utility model discloses a kind of linear motor, including housing and the oscillator for being arranged on the enclosure interior, guide rail is provided with the housing, the oscillator is slidably matched with the guide rail；One end of the oscillator is provided with the first magnet, and the other end of the oscillator is provided with the second magnet；The position that first magnet is corresponded on the housing is provided with the 3rd magnet, the position of corresponding second magnet is provided with the 4th magnet on the housing, and first magnet is identical with the polarity on the mutual opposite of the 3rd magnet, second magnet is identical with the polarity on the mutual opposite of the 4th magnet.During above-mentioned linear motor operation, the effect of spring or spring leaf in the reciprocating motion of oscillator is instead of by the mutual expelling force and the second magnet and the 4th magnet mutual expelling force of the first magnet and the 3rd magnet, and then avoids the shell fragment of linear motor or the problem of spring structure fatigue easily occurs and influences linear motor performance.
Description
Technical field
It the utility model is related to motor technologies field, more particularly to a kind of linear motor.
Background technology
Linear vibration motor, abbreviation linear motor, its appearance and size is relatively small, toggle speed is fast, low-power consumption, low noise
Sound, driving are relatively easy, have the features such as overall plan cost is low, and product reliability is excellent, high cruise-ability；Meanwhile linear horse
There is directive property up to vibration processes, various complicated vibrations can be achieved, so being widely used in mobile phone, flat board, electronic watch, hand
The mobile devices such as ring, to realize the vibrating function of mobile device.
General traditional linear motor is realized using shell fragment or spring structure and moved back and forth more, due to the shape pair of shell fragment
Its performance impact is larger, requires of a relatively high to raw material and processing technology, and it can produce fatigue after a certain period of use time；And
Spring structure then needs to increase a support meanss in vertical direction, and it can also produce fatigue after a certain period of use time, enter
And influence the performance of linear motor.
In summary, how to solve the shell fragment of linear motor or spring structure fatigue easily occurs and influences linear motor
The problem of energy, it has also become those skilled in the art's technical barrier urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of linear motor, easy to solve the shell fragment of linear motor or spring structure
The problem of there is fatigue and influenceing linear motor performance.
To achieve these goals, the utility model provides a kind of linear motor, including housing and is arranged on the shell
The oscillator in internal portion, guide rail is provided with the housing, the oscillator is slidably matched with the guide rail；
One end of the oscillator is provided with the first magnet, and the other end of the oscillator is provided with the second magnet；
The position that first magnet is corresponded on the housing is provided with the 3rd magnet, and the second magnet is corresponded on the housing
Position be provided with the 4th magnet, and first magnet is identical with the polarity on the mutual opposite of the 3rd magnet, described second
Magnet is identical with the polarity on the mutual opposite of the 4th magnet.
Preferably, the 5th magnet and the 6th magnet are provided with the middle part of the oscillator, live wire is provided with the housing
Circle, and the center line of the hot-wire coil overlaps with the symmetrical center line of the 5th magnet and the 6th magnet, and described the
The opposite polarity of the side of five magnet and the 6th magnet towards the hot-wire coil.
Preferably, the hot-wire coil is arranged on the upper lid of the housing.
Preferably, the hot-wire coil is flexible coupling by FPC is pasted and fixed on the upper lid.
Preferably, the guide rail is the support bar set along the movement of pendulum direction, is provided with the oscillator and institute
State the through hole that support bar is adapted.
Content is introduced compared to background technology, when above-mentioned linear motor is run, when oscillator moves to the 3rd magnet positions,
The mutual expelling force of first magnet and the 3rd magnet increases, and the mutual expelling force of the second magnet and the 4th magnet is gradually reduced, and then can be made
Oscillator is gradually decelerated to zero and counter motion；With should oscillator to the 4th magnet direction move when, can also oscillator is gradually subtracted
Speed passes through above-mentioned first magnet and the mutual expelling force of the 3rd magnet and the second magnet and the 4th magnet mutual expelling force to zero simultaneously counter motion
The effect of spring or spring leaf in the reciprocating motion of oscillator is instead of, and then avoids the shell fragment or spring structure appearance of linear motor
The problem of easily there is fatigue and influenceing linear motor performance.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram for the linear motor that the utility model embodiment provides；
Fig. 2 is the configuration schematic diagram for the linear motor that the utility model embodiment provides.
In figure 1 above -2,
Housing 1, oscillator 2, guide rail 3, the first magnet 4, the second magnet 5, the 3rd magnet 6, the 4th magnet 7, the 5th magnet 8,
6th magnet 9, hot-wire coil 10, upper lid 11, FPC are flexible coupling 12.
Embodiment
Core of the present utility model is to provide a kind of linear motor, easy to solve the shell fragment of linear motor or spring structure
The problem of there is fatigue and influenceing linear motor performance.
In order that those skilled in the art more fully understands technical scheme provided by the utility model, below in conjunction with attached
The utility model is described in further detail with specific embodiment for figure.
As shown in Figure 1-2, a kind of linear motor that the utility model embodiment provides, including housing 1 and it is arranged on housing 1
Internal oscillator 2, guide rail 3 is provided with housing 1, oscillator 2 is slidably matched with guide rail 3；One end of oscillator 2 is provided with the first magnet
4, the other end of oscillator 2 is provided with the second magnet 5；The position of corresponding first magnet 4 is provided with the 3rd magnet 6, housing on housing 1
The position of corresponding second magnet 5 is provided with the 4th magnet 7, and the first magnet 4 and the polarity phase on the mutual opposite of the 3rd magnet 6 on 1
Together, the second magnet 5 is identical with the polarity on the mutual opposite of the 4th magnet 7.
Content is introduced compared to background technology, when above-mentioned linear motor is run, when oscillator moves to the 3rd magnet positions,
The mutual expelling force of first magnet and the 3rd magnet increases, and the mutual expelling force of the second magnet and the 4th magnet is gradually reduced, and then can be made
Oscillator is gradually decelerated to zero and counter motion；With should oscillator to the 4th magnet direction move when, can also oscillator is gradually subtracted
Speed passes through above-mentioned first magnet and the mutual expelling force of the 3rd magnet and the second magnet and the 4th magnet mutual expelling force to zero simultaneously counter motion
The effect of spring or spring leaf in the reciprocating motion of oscillator is instead of, and then avoids the shell fragment or spring structure appearance of linear motor
The problem of easily there is fatigue and influenceing linear motor performance.
Explanation is needed exist for, those skilled in the art will readily appreciate that, the movement of pendulum of linear motor
Should also have drive mechanism, the drive mechanism specifically can be provided with the 5th magnet 8 and the 6th magnet 9, shell with the middle part of oscillator 2
Hot-wire coil 10, and the center line of hot-wire coil 10 and the symmetrical center line of the 5th magnet 8 and the 6th magnet 9 are provided with body 1
The opposite polarity of coincidence, the 5th magnet 8 and the 6th magnet 9 towards the side of hot-wire coil 10.After alternating current is passed through, live wire
10 surroundings generation magnetic field is enclosed, the 5th magnet and the 6th magnet are influenceed that oscillator can be made to transport towards certain one end of oscillator by above-mentioned magnetic field
It is dynamic.For example oscillator is towards a lateral movement of the first magnet, the mutual expelling force increase of the first magnet and the 3rd magnet, the second magnet and the
The mutual expelling force of four magnet is gradually reduced, and as the change of alternating current, Lorentz force are also reducing, what oscillator was subject to makes a concerted effort square
To one end towards the second magnet, and then oscillator can be made gradually to be decelerated to zero and counter motion；With should oscillator to the second magnetic
When iron direction is moved, it oscillator is gradually decelerated to zero and counter motion, and so on move.It is appreciated of course that
Above-mentioned hot-wire coil is realized after being powered by magnetic fields in the 5th magnet and the 6th magnet drives only the utility model reality
Apply the preferable examples of example or other drive mechanisms that those skilled in the art commonly use are realized.
In some specific embodiments, above-mentioned hot-wire coil 10 is arranged on the upper lid 11 of housing 1, and live wire
Circle 10 is flexible coupling by FPC 12 to be pasted and fixed on upper lid 11.Of course, it should be understood that above-mentioned hot-wire coil is arranged on housing
Upper lid on be only the preferable examples of the utility model embodiment or be arranged on the madial wall of housing or lower inner wall
First-class, only hot-wire coil is preferably arranged on upper lid by the utility model embodiment, needs exist for explanation, this area
Technical staff will readily appreciate that, because hot-wire coil is provided in the inside of housing, therefore above-mentioned hot-wire coil
It is arranged on and refers to be arranged on lid on lid towards the side of enclosure interior.Furthermore, it will be appreciated that above-mentioned hot-wire coil can
So that by being flexible coupling, to be pasted and fixed on upper lid be only the preferable examples of the utility model embodiment or solid using other
Determine mode to be fixed on lid, for example be bolted on lid etc..
In addition in some more particular embodiments, above-mentioned guide rail 3 can be the support set along the direction of motion of oscillator 2
Bar, the through hole being adapted with support bar is provided with oscillator 2, is slidably matched so as to realize.Need exist for explanation, this area
Technical staff will readily appreciate that the support bar should be integrally fixed on housing, and above-mentioned support bar and through hole
The mode of cooperation realizes be slidably matched the only preferable examples of the utility model embodiment or those skilled in the art
T-shaped rail is provided with other conventional sliding matching structures, such as the moving direction of housing interior edge oscillator, be provided with oscillator with
The cell body that T-shaped rail coordinates is slidably matched to realize.
Linear motor provided by the utility model is described in detail above.It should be noted that this specification
In each embodiment described by the way of progressive, what each embodiment stressed is the difference with other embodiment
Part, between each embodiment identical similar part mutually referring to.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that article or equipment including a series of elements not only include those key elements, but also
Including the other element being not expressly set out, or also include for this article or the intrinsic key element of equipment.Do not having
In the case of more limitations, the key element that is limited by sentence "including a ...", it is not excluded that including the article of above-mentioned key element
Or other identical element in equipment also be present.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Explanation be only intended to help and understand core concept of the present utility model.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model,
These are improved and modification is also fallen into the protection domain of the utility model claims.
Claims (5)
1. a kind of linear motor, including housing (1) and the oscillator (2) for being arranged on the housing (1) inside, it is characterised in that institute
State in housing (1) and be provided with guide rail (3), the oscillator (2) is slidably matched with the guide rail (3)；
One end of the oscillator (2) is provided with the first magnet (4), and the other end of the oscillator (2) is provided with the second magnet (5)；
The position that first magnet (4) is corresponded on the housing (1) is provided with the 3rd magnet (6), is corresponded on the housing (1)
The position of second magnet (5) is provided with the 4th magnet (7), and first magnet (4) and the mutual opposite of the 3rd magnet (6)
Polarity it is identical, second magnet (5) is identical with the polarity on the mutual opposite of the 4th magnet (7).
2. linear motor as claimed in claim 1, it is characterised in that be provided with the 5th magnet (8) in the middle part of the oscillator (2)
With the 6th magnet (9), hot-wire coil (10), and the center line of the hot-wire coil (10) and institute are provided with the housing (1)
The symmetrical center line for stating the 5th magnet (8) and the 6th magnet (9) overlaps, the 5th magnet (8) and the 6th magnet
(9) towards the opposite polarity of the side of the hot-wire coil (10).
3. linear motor as claimed in claim 2, it is characterised in that the hot-wire coil (10) is arranged on the housing (1)
Upper lid (11) on.
4. linear motor as claimed in claim 3, it is characterised in that the hot-wire coil (10) is flexible coupling (12) by FPC
It is pasted and fixed on the upper lid (11).
5. linear motor as claimed in claim 1, it is characterised in that the guide rail (3) is along the oscillator (2) direction of motion
The support bar of setting, the through hole being adapted with the support bar is provided with the oscillator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817631.1U CN206850648U (en) | 2017-07-06 | 2017-07-06 | A kind of linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817631.1U CN206850648U (en) | 2017-07-06 | 2017-07-06 | A kind of linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206850648U true CN206850648U (en) | 2018-01-05 |
Family
ID=60803648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817631.1U Active CN206850648U (en) | 2017-07-06 | 2017-07-06 | A kind of linear motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206850648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049416A (en) * | 2019-04-23 | 2019-07-23 | 歌尔股份有限公司 | Vibration-sound generating device and electronic product |
| WO2021007813A1 (en) * | 2019-07-17 | 2021-01-21 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
-
2017
- 2017-07-06 CN CN201720817631.1U patent/CN206850648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049416A (en) * | 2019-04-23 | 2019-07-23 | 歌尔股份有限公司 | Vibration-sound generating device and electronic product |
| WO2021007813A1 (en) * | 2019-07-17 | 2021-01-21 | 瑞声声学科技(深圳)有限公司 | Linear vibration motor |
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