CN207908779U - A kind of focusing motor - Google Patents
A kind of focusing motor Download PDFInfo
- Publication number
- CN207908779U CN207908779U CN201820388231.8U CN201820388231U CN207908779U CN 207908779 U CN207908779 U CN 207908779U CN 201820388231 U CN201820388231 U CN 201820388231U CN 207908779 U CN207908779 U CN 207908779U
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- China
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- carrier
- leading truck
- magnetite
- focusing motor
- support base
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Abstract
The utility model provides a kind of focusing motor, including support base and the carrier for accommodating lens set；The support base includes bottom, the leading truck on bottom, the first magnetite and driving coil；The carrier is equipped with the second magnetite corresponding with first magnetite, and the active force of first magnetite and the second magnetite makes the carrier be suspended in above the bottom of the support base；The leading truck covers at the carrier surrounding, and the carrier is equipped with guide frame corresponding with the leading truck, and the guide frame makes the carrier be only capable of being parallel to the catenary motion of the optical axis of lens set along the leading truck with leading truck cooperation.A kind of focusing motor provided by the utility model can effectively ensure that the stability of carrier movement, ensure that focus effects, can realize the quick response of carrier, effectively increase the efficiency of focusing, reduce power consumption.
Description
Technical field
The utility model is related to camera technology fields, more particularly to a kind of focusing motor.
Background technology
Now with the continuous maturation of the technologies such as Quick Response Code identification, image transmitting, demand of the people for camera function
Higher and higher, existing camera module is generally all configured with focusing motor to realize certainly to realize better image quality
Dynamic focusing.Existing focusing motor generally comprises the technical solution of shrapnel, lower shrapnel, carrier, magnetite, driving coil, works as drive
It will produce the movement of corresponding effect power drive carrier when being passed through a certain size electric current in moving winding, between driving coil and magnetite
To realize the function of automatic focusing.But existing camera module is complicated, volume is big, and power consumption is high, and response speed
Slowly, increasingly higher demands of the people for camera module cannot be met.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of focusing motor, can when needing auto-focusing,
The quick response for realizing carrier effectively increases the efficiency of focusing, reduces power consumption.
In order to solve the above technical problems, the utility model provides a kind of focusing motor, including support base and for holding
Receive the carrier of lens set；The support base includes bottom, the leading truck on the bottom, the first magnetite and driving coil；
The carrier is equipped with the second magnetite corresponding with first magnetite, and the active force of first magnetite and the second magnetite makes institute
Carrier is stated to be suspended in above the bottom of the support base；The leading truck covers at the carrier surrounding, and the carrier is equipped with
Guide frame corresponding with the leading truck, the guide frame make the carrier be only capable of along described with leading truck cooperation
Leading truck is parallel to the catenary motion of the optical axis of lens set.
As a kind of preferred embodiment of the utility model, the quantity of first magnetite and the second magnetite is four.
As a kind of preferred embodiment of the utility model, the leading truck is equipped with first rail groove, the guide frame
The ball for including the second guide-track groove on the carrier and being arranged between first rail groove and the second guide-track groove.
As a kind of preferred embodiment of the utility model, the quantity of the first rail groove and the second guide-track groove is four
It is a.
As a kind of preferred embodiment of the utility model, the ball is ceramic balls.
As a kind of preferred embodiment of the utility model, the leading truck is equipped with first rail groove, the guide frame
Including being set to idler wheel corresponding with the first rail groove on the carrier.
As a kind of preferred embodiment of the utility model, the bottom and the leading truck are integrally formed.
As a kind of preferred embodiment of the utility model, the bottom and the leading truck are respectively prepared and by the company of bonding
It connects.
Further include the shell being connect with the support base as a kind of preferred embodiment of the utility model, the shell with
The space for accommodating the carrier is formed between support base.
The utility model has the following technical effect that：A kind of focusing motor provided by the utility model passes through on support base
First magnetite is set, the second magnetite is set on carrier, the position of the first magnetite and the second magnetite is made to correspond and to property
It is magnetic identical, due to the repulsive force generated between same sex magnetite, so that it may so that the second magnetite drives carrier to be suspended in the support base
Bottom above, then by covering at the leading truck of the support base surrounding, leading truck plays the position-limiting action to carrier, tool
Body, the carrier is equipped with guide frame, so that institute's carrier is only parallel with eyeglass by the cooperation of guide frame and leading truck
Group optical axis does catenary motion, to which the stability of carrier movement be effectively ensured, ensure that focus effects；And since carrier is outstanding
Float on above bottom, when needing auto-focusing, when driving coil, which is powered, generates magnetic field, can realize the quick response of carrier,
The efficiency of focusing is effectively increased, power consumption is reduced.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the attached drawing of embodiment will be made below simple
Ground introduction, it should be apparent that, the accompanying drawings in the following description merely relates to some embodiments of the utility model, rather than to this practicality
Novel limitation.
Fig. 1 is a kind of structural schematic diagram for focusing motor that the utility model embodiment one provides；
Fig. 2 is the arrangement schematic diagram of a kind of first magnetite and the second magnetite that the utility model embodiment one provides；
Fig. 3 is a kind of structural schematic diagram for guide frame that the utility model embodiment one provides；
Fig. 4 is a kind of arrangement schematic diagram for shell that the utility model embodiment one provides；
Fig. 5 is a kind of structural schematic diagram for pedestal that the utility model embodiment two provides；
Fig. 6 is a kind of structural schematic diagram for guide frame that the utility model embodiment three provides.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage are clearer, below in conjunction with the accompanying drawings to the utility model
Embodiment is described in further detail.Obviously, described embodiment is a part of the embodiment of the utility model, rather than
Whole embodiments.Based on described the embodiments of the present invention, those of ordinary skill in the art are without creative labor
The every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
Unless otherwise defined, the technical term or scientific terminology that the utility model uses are should be belonging to the utility model
The ordinary meaning that the personage with general technical ability is understood in field." first " that is used in the utility model, " second " and
Similar word is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.
Embodiment one
As shown in Figs. 1-2, which show a kind of focusing motor provided by the utility model, including support base 1 and for holding
Receive the carrier 2 of lens set；The support base 1 includes bottom 11, the leading truck 12 on the bottom 11,13 and of the first magnetite
Driving coil 14；The carrier 2 is equipped with second magnetite 21 corresponding with first magnetite 13, first magnetite 13 and the
The active force of two magnetites 21 makes the carrier 2 be suspended in above the bottom 11 of the support base 1；The leading truck 12 covers at institute
2 surrounding of carrier is stated, the carrier 2 is equipped with guide frame 22 corresponding with the leading truck 12, the guide frame 22 and institute
Stating the cooperation of leading truck 12 makes the carrier 2 be only capable of being parallel to the catenary motion of the optical axis of lens set along the leading truck 12.
In this way, by the way that the first magnetite 13 is arranged on support base 1, the second magnetite 21 is set on carrier 2, makes the first magnetite 13 and second
The position of magnetite 21 corresponds and identical to property magnetism, due to the repulsive force generated between same sex magnetite, so that it may so that second
Magnetite 21 drives carrier 2 to be suspended in above the bottom 11 of the support base 1, then by covering at 1 surrounding of the support base
Leading truck 12, leading truck 12 play the position-limiting action to carrier 2, specifically, guide frame 22 are arranged on the carrier 2, passes through
The cooperation of guide frame 22 and leading truck 12 makes institute's carrier 2 be only parallel with lens set optical axis to do catenary motion, to effectively protect
The stability for having demonstrate,proved the movement of carrier 2, ensure that focus effects；And since carrier 2 is suspended in 11 top of bottom, it is automatic right to need
Jiao Shi can realize the quick response of carrier 2, effectively increase the efficiency of focusing when driving coil, which is powered, generates magnetic field, drop
Low power consumption.It should be noted that the energization and control about driving coil are the content of the prior art, do not do herein in detail
It states.
Specifically, in the present embodiment, the quantity of first magnetite, 13 and second magnetite 21 is four.Described first
Magnetite 13 is set on the bottom 11.As shown in figure 3, the leading truck 12 is equipped with first rail groove 121, the guide frame
22 include be set to the carrier 2 on the second guide-track groove 221 and be arranged between first rail groove 121 and the second guide-track groove 221
Ball 222, the quantity of the first rail groove 121 and the second guide-track groove 221 is four.In this way, by leading truck 12
Upper setting first rail groove 121 and setting include the guide frame 22 of ball 222 and the second guide-track groove 221 so that 2 edge of carrier
It when leading truck 12 moves as by 222 scrolling realization of ball so that carrier 2 is micro- along the resistance that leading truck 12 is moved
Small rolling resistance can also reduce energy consumption so as to effectively improve response speed of the focusing motor when realizing auto-focusing.
Preferably, the ball 222 is ceramic balls 222.
Further, in the present embodiment, as shown in figure 4, the bottom 11 and the leading truck 12 are integrally formed.Into one
Step ground, focusing motor provided in this embodiment further include the shell 3 being connect with the support base 2, the shell 3 and support base 1
Between formed accommodate carrier 2 space.
Embodiment two
The present embodiment is similar to the structure of embodiment one, and principle is identical, differs only in, as shown in figure 5, the bottom
11 and the leading truck 12 be respectively prepared and pass through bonding connection.The support base 1 being arranged in this way is due to bottom 11 and leading truck 12
It is respectively prepared, therefore the serious forgiveness of production can be improved, i.e., it will not be because of leading truck 12 or the localized production of bottom 11
Error and make entire support base 1 need to produce again, can effectively reduce production cost.Further, in the present embodiment,
The end face that the leading truck 12 is contacted with the bottom 11 is nose circle face, and the bottom 11 also is provided with corresponding circular trough, in this way
It when leading truck 12 and bottom 11 are bonded by viscose glue, can conveniently adjust, ensureing can after leading truck 12 is Nian Jie with bottom 11
The accurate guiding and position-limiting action to carrier 2 are played, ensures focus effects.
Embodiment three
The present embodiment is similar to the structure of embodiment one, and principle is identical, differs only in, as shown in fig. 6, the guiding
Frame 12 is equipped with first rail groove 121, and the guide frame is corresponding with the first rail groove 121 on the carrier 2
Idler wheel.Coordinated in this way by the idler wheel and first rail groove 121 that are directly arranged on carrier 2 so that carrier 2 is along guiding
It is to pass through 222 scrolling realization of ball when frame 12 moves so that carrier 2 is small rolling along the resistance that leading truck 12 is moved
Dynamic resistance can also reduce energy consumption so as to effectively improve response speed of the focusing motor when realizing auto-focusing.Certainly,
Preferably, roller structure can also be arranged in the leading truck 12, and guide-track groove is arranged on the carrier 2, realize carrier 2 and be oriented to
The stability of relative motion between frame 12.
The embodiment of the utility model above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot it therefore be interpreted as the limitation to the utility model patent range, as long as using the form institute of equivalent substitution or equivalent transformation
The technical solution of acquisition, shall fall within the scope of the present invention.
Claims (9)
1. a kind of focusing motor, which is characterized in that the carrier including support base and for accommodating lens set；The support base includes
Bottom, the leading truck on the bottom, the first magnetite and driving coil；The carrier is equipped with and first magnetite pair
The active force of the second magnetite answered, first magnetite and the second magnetite makes the carrier be suspended on the bottom of the support base
Side；The leading truck covers at the carrier surrounding, and the carrier is equipped with guide frame corresponding with the leading truck, described
The optical axis that guide frame and leading truck cooperation makes the carrier be only capable of being parallel to lens set along the leading truck hangs down
To movement.
2. focusing motor according to claim 1, which is characterized in that the quantity of first magnetite and the second magnetite is
Four.
3. focusing motor according to claim 1, which is characterized in that the leading truck is equipped with first rail groove, described
Guide frame includes the second guide-track groove being set on the carrier and the rolling being arranged between first rail groove and the second guide-track groove
Pearl.
4. focusing motor according to claim 3, which is characterized in that the quantity of the first rail groove and the second guide-track groove
It is four.
5. focusing motor according to claim 3, which is characterized in that the ball is ceramic balls.
6. focusing motor according to claim 1, which is characterized in that the leading truck is equipped with first rail groove, described
Guide frame is the idler wheel corresponding with the first rail groove on the carrier.
7. focusing motor according to claim 1, which is characterized in that the bottom and the leading truck are integrally formed.
8. focusing motor according to claim 1, feature exist, the bottom and the leading truck are respectively prepared and pass through
Bonding connection.
9. focusing motor according to claim 1, which is characterized in that further include the shell being connect with the support base, institute
State the space for being formed between shell and support base and accommodating the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388231.8U CN207908779U (en) | 2018-03-21 | 2018-03-21 | A kind of focusing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820388231.8U CN207908779U (en) | 2018-03-21 | 2018-03-21 | A kind of focusing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908779U true CN207908779U (en) | 2018-09-25 |
Family
ID=63558316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820388231.8U Active CN207908779U (en) | 2018-03-21 | 2018-03-21 | A kind of focusing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207908779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100580A1 (en) * | 2020-11-13 | 2022-05-19 | 华为技术有限公司 | Voice coil motor, camera module, and electronic device |
-
2018
- 2018-03-21 CN CN201820388231.8U patent/CN207908779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022100580A1 (en) * | 2020-11-13 | 2022-05-19 | 华为技术有限公司 | Voice coil motor, camera module, and electronic device |
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