CN208432840U - Camera driving mechanism and electronic device having the same - Google Patents
Camera driving mechanism and electronic device having the same Download PDFInfo
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- CN208432840U CN208432840U CN201820742420.0U CN201820742420U CN208432840U CN 208432840 U CN208432840 U CN 208432840U CN 201820742420 U CN201820742420 U CN 201820742420U CN 208432840 U CN208432840 U CN 208432840U
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- transmission gear
- clutch
- driver mechanism
- actuated element
- component
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Abstract
本实用新型公开了一种摄像头驱动机构和具有该摄像头驱动机构的电子装置，所述摄像头驱动机构用于安装在电子装置(10)中，驱动电子装置(10)中的摄像头模组(20)的伸出或缩回，其特征在于，所述摄像头驱动机构至少包括第一传动元件和第二传动元件，在所述第一传动元件和第二传动元件之间设置有离合部(50)，离合部(50)控制所述第一传动元件和第二传动元件之间的动力传递路径的通断，当摄像头模组(20)受到的外力大于预定值时，离合部(50)使所述第一传动元件和第二传动元件之间的动力传递路径断开。
The utility model discloses a camera driving mechanism and an electronic device having the camera driving mechanism. The camera driving mechanism is used for being installed in an electronic device (10) and driving a camera module (20) in the electronic device (10). It is characterized in that, the camera driving mechanism includes at least a first transmission element and a second transmission element, and a clutch part (50) is arranged between the first transmission element and the second transmission element, The clutch part (50) controls the on-off of the power transmission path between the first transmission element and the second transmission element, and when the external force received by the camera module (20) is greater than a predetermined value, the clutch part (50) makes the The power transmission path between the first transmission element and the second transmission element is disconnected.
Description
Technical field
The utility model relates to a kind of webcam driver mechanism and the electronic device with the webcam driver mechanism.
Background technique
Currently, when using components such as telescopic camera modules, generalling use step-by-step movement biography in field of electronic devices
Dynamic telescopic device drives the release of camera module and retracts.
However, general step-by-step movement transmission telescopic device does not have clutch, therefore, release camera module by
When to external force or external impact, due to the self-locking power limit of the motor by step-by-step driving device, cause camera module without
Method returns to inside electronic device, and it is impaired to ultimately cause camera module.
Utility model content
One of the purpose of this utility model is to provide a kind of webcam driver mechanism and has the webcam driver mechanism
Electronic device so that stretch out camera module can easily be retracted when by external impacts, to prevent camera
Mould group is impaired.
One side according to the present utility model provides a kind of webcam driver mechanism, and the webcam driver mechanism is for pacifying
In an electronic, the stretching or retraction of the camera module in drive electronics, the webcam driver mechanism is at least for dress
Including the first actuated element and the second actuated element, clutch is provided between first actuated element and the second actuated element
Portion, clutch part control the on-off of the power transfer path between first actuated element and the second actuated element, work as camera
When the external force that mould group is subject to is greater than predetermined value, clutch part passes the power between first actuated element and the second actuated element
Pass path disconnection.
Optionally, first actuated element can be the first transmission gear, and second actuated element can be second
Transmission gear, the first transmission gear and the coaxial arrangement of the second transmission gear, the clutch part may include being separately positioned on the first biography
The first clutch component and the second clutch component on moving gear and the facing surface of the second transmission gear, the first clutch component and
Second clutch component is axially be combined with each other with inclined surface, when the external force that camera module arrives is greater than predetermined value,
First clutch component and the second clutch component in axial direction mutually stagger, so that the first transmission gear and the second driving cog
Power transfer path between wheel disconnects.
Optionally, the webcam driver mechanism may also include elastic component, and the elastic component setting is in the first transmission
Gear or the second transmission gear it is axially external, by applying elastic force the first clutch component and the second clutch component are mutually tied
It closes.
Optionally, the webcam driver mechanism may also include rack gear push rod, worm screw and driving unit, the rack gear push rod
Including rack gear and push rod, the camera module is fixedly connected with the push rod, and the output shaft of the worm screw and driving unit connects
It connects, transmits drive force to first transmission gear, rack gear push rod is then passed to by the second transmission gear, to drive
Camera module moves along a straight line.
Optionally, one in first clutch component and second clutch component may include towards described first from
Close another at least one protrusion outstanding in component and second clutch component, first clutch component and described the
In two clutch components another have groove corresponding at least one described protrusion, between the protrusion and the groove with
Inclined surface combines.
Optionally, the protrusion can be trapezoidal, has inclined side surface, and the groove can be in inverted trapezoidal, has and institute
State the corresponding inclined surface of inclined surface of protrusion.
Optionally, it can be formed with protrusion on each of the first clutch component and second clutch component, in phase
Groove is formed between adjacent protrusion, the protrusion is evenly arranged according to annulus shape, with the first transmission gear and the second driving cog
Wheel coaxial arrangement.
Optionally, the webcam driver mechanism may also include limit component, and the limit component is arranged in rack gear push rod
Outside, for limiting the motion path of the rack gear push rod.
Optionally, the first actuated element and second actuated element may respectively be worm gear and roller gear, alternatively, first
Actuated element and second actuated element can be roller gear.
Another aspect according to the present utility model can provide a kind of electronic device, and the electronic device includes camera module
And webcam driver mechanism as described above.
Webcam driver mechanism according to the present utility model and the electronic device with the webcam driver mechanism can taken the photograph
As retracting camera module easily when head mould group is by external impacts, so that camera module be prevented to be damaged.In addition, institute
Maloperation phenomenon caused by stating that clutch transmission structure is simple, and manufacture difficulty is low, while preventing covibration etc., improves
The use reliability of electronic device.
Detailed description of the invention
The camera module that Fig. 1 diagrammatically illustrates the electronic device with webcam driver mechanism is in retracted mode
Schematic diagram.
The camera module that Fig. 2 diagrammatically illustrates the electronic device with webcam driver mechanism is in stretching state
Schematic diagram.
Fig. 3 diagrammatically illustrates the rearview of the webcam driver mechanism of electronic device.
Fig. 4 diagrammatically illustrates the front view of the webcam driver mechanism of electronic device.
Fig. 5 diagrammatically illustrates the side view of the webcam driver mechanism of electronic device.
Fig. 6 and Fig. 7 diagrammatically illustrates the partial enlarged view that clutch part is in bonding state.
Fig. 8 diagrammatically illustrates the partial enlarged view that clutch part is in discrete state.
Fig. 9 and Figure 10 diagrammatically illustrates another example of the webcam driver mechanism of electronic device respectively.
Description of symbols: 10: electronic device, 20: camera module, 30: clutch transmission, 31: the first driving cogs
Wheel, 32: the second transmission gears, 33: worm screw, 34: worm gear, 35: rack gear push rod, 36: elastic component, 37: limit component, 40: driving
Moving cell, 50: clutch part, 51: the first clutch components, 52: the second clutch components.
Specific embodiment
Exemplary embodiment according to the present utility model, webcam driver mechanism is mountable in electronic device 10, is used for
Driving camera module 20 in electronic device 10 from stretching out or be retracted into electronic device 10.According to the utility model embodiment
Webcam driver mechanism can include at least the first actuated element and the second actuated element, in the first actuated element and the second transmission member
It is provided with clutch part between the end surfaces of part, is controlled between first actuated element and the second actuated element by clutch part
The on-off of power transfer path, thus when the external force that camera module 20 is subject to is greater than predetermined value, clutch part operation, so that the
The disconnection of power transfer path between one actuated element and the second actuated element.
In the following, the embodiments of the present invention are described in detail referring to attached drawing 1-7.
As illustrated in fig. 1 and 2, webcam driver mechanism may include clutch transmission 30 and driving unit 40.Camera mould
Group 20 may be provided at the inside of electronic device 10, positioned at the top of electronic device 10, and can stretch from the upper end of electronic device 10
Out.But embodiment is without being limited thereto, camera module 20 can also be provided at other positions.
Clutch transmission 30 can be gear drive.It may be provided with shell (not in the outside of clutch transmission 30
Show), with the actuated element inside fixed and protection.
The clutch transmission of exemplary embodiment according to the present utility model is described in detail below with reference to Fig. 3 to Fig. 7
30 transmission and construction.
As an example, clutch transmission 30 may include transmission component and rack gear push rod 35.
Rack gear push rod 35 can be used as the output link of clutch transmission 30, the side along movement along camera module 20
To doing linear movement.As an example, rack gear push rod 35 may include the rack gear being arranged along the vertical direction and extend from the side of rack gear
Push rod, the end of push rod may be connected to the lower end of camera module 20, so as to control camera shooting by the up and down motion of rack gear
It the stretching of head mould group 20 and retracts.
Transmission component may be provided between the output shaft of driving unit 40 and rack gear push rod 35, will obtain from driving unit 40
The driving force obtained is transmitted to rack gear push rod 35.As an example, driving unit 40 can be stepper motor, output shaft and clutch transmission machine
Structure 30 connects.
Transmission component may include multiple actuated elements.As an example, transmission component can include: be connected to the defeated of stepper motor
The worm screw 33 of shaft, worm screw 33 can be used as the power intake of entire clutch transmission 30, receive from driving unit 40
Driving force；The worm gear 34 and at least one transmission gear between worm gear 34 and rack gear push rod 35 cooperated with worm screw 33,
It can be engaged with each other or combine, to transmit driving force to rack gear push rod 35, so that rack gear push rod 35 be made to do linear fortune along predetermined direction
It is dynamic.Referring to Fig. 3 to Fig. 5, the transmission component of one embodiment according to the present utility model may include a worm gear and five cylinders
Gear.
As shown in figure 4, transmission component includes the first transmission gear 31 and the second transmission gear 32, the first transmission gear 31
It is rotated according to from the received driving force of driving unit 40, the second transmission gear 32 and the first transmission gear 31 are coaxially disposed and along axis
It is combined with each other to direction, thus when the rotation of the first transmission gear 31, the also corresponding rotation of the second transmission gear 32.Second driving cog
Wheel 32 is engaged with the rack gear of rack gear push rod 35, so that drive rack push rod 35 moves along a straight line, with drive camera module 20 from
It stretches out or is retracted in electronic device 10 in electronic device 10.
Each transmission gear in usual transmission component can be tightly coupled to each other or engage, to transmit to camera module 20
Driving force.However, when stretching out the camera module 20 outside electronic device 10 by external impact, by the shadow of motor self-lock force
It rings, camera module can be damaged because that can not retract.
Therefore, exemplary embodiment according to the present utility model is provided between two actuated elements of transmission component
Clutch part 50.The on-off that can control the power transfer path between two actuated elements by the clutch operation of clutch part 50, from
And it can either guarantee the stable delivery of driving force under normal drive condition, while can also make two transmissions when external impact occurs
Power transfer path between element disconnects.
Construction and operation below with reference to Fig. 6 and Fig. 7 detailed description clutch part 50.
As an example, clutch part 50 may be provided between the first transmission gear 31 and the second transmission gear 32, pass through clutch
The operation in portion 50, so that the first transmission gear 31 and the second transmission gear 32 are axially combined or axially spaced, thus control first
The on-off of power transfer path between transmission gear 31 and the second transmission gear 32.
Clutch part 50 may include being located at the surface facing with each other of the first transmission gear 31 and the second transmission gear 32
On the first clutch component 51 and the second clutch component 52.In addition, in the second transmission gear 32 and the second clutch component 52 phase
Pair another surface on may be provided with elastic component 36, with to the second transmission gear 32 provide elastic pressure so that the first clutch
Component 51 and the second clutch component 52 are fitted close.As an example, elastic component 36 can be compressed spring.
First clutch component 51 and the second clutch component 52 can have respectively from the first transmission gear 31 and the second driving cog
At least one the axially projecting protrusion of the front faces facing each other of wheel 32 along gear.Preferably, protrusion can be trapezoidal, has and inclines
Oblique side surface.
On each gear in the first transmission gear 31 and the second transmission gear 32, multiple protrusions can be with scheduled
Every being arranged as annular, to be formed between located adjacent one another two protrusion of same annular corresponding with the shape of trapezoidal protrusion
Inverted trapezoidal groove.
When the first transmission gear 31 is rotated forward according to the driving force from driving unit 40, mentioned by elastic component 36
The elastic pressure F3 of confession is acted on, and the top surface and inclined side surfaces of the trapezoidal protrusion of the second transmission gear 32 can be passed with first respectively
The bottom surface and inclined side surfaces of the inverted trapezoidal groove of moving gear 31 are tightly coupled to each other, so that the second transmission gear 32 can be with
One transmission gear 31 rotates synchronously and driving force is transmitted to rack gear push rod 35, to be pushed outwardly camera module 20.
When the camera module 20 of release is by external impact, the rack gear push rod 35 connecting with camera module 20 can have
Have the tendency that being pushed into camera module 20 and there is the internal motion towards electronic device 10, so that the second transmission
Gear 32 has counter-rotational trend.That is, in this case, external impact force F2 (abbreviation external force) can be successively
The first transmission gear 31 and the second transmission gear are transmitted to by camera module 20, rack gear push rod 35, the second transmission gear 32
Inclined surface between 32 generates thrust F1 on the inclined surface of the protrusion of the first transmission gear 31.
Referring to Fig. 6 to Fig. 8, when point to the right for the thrust F1 that the second transmission gear 32 applies the first transmission gear 31
When power F1X is greater than elastic pressure F3, the first transmission gear 31 can be pushed to along the direction deviated from the second transmission gear 32
Move simultaneously compressed spring.In this case, the protrusion of the first transmission gear 31 can take off from the groove of the second transmission gear 32
Out, so that the drive path between the first transmission gear 31 and the second transmission gear 32 disconnects.Therefore, the second transmission gear 32 can
It is not influenced to rotate along with driving force opposite direction by the first transmission gear 31, rack gear push rod 35 is enabled to carry camera mould
Group 20 is mobile towards the inside of electronic device 10 together.Therefore, the driving that camera module 20 can not be transmitted by transmission component
Power or the self-locking power limit of driving unit 40 and return to inside electronic device 10, thus avoid release outside camera
Mould group 20 and internal transmission mechanism are damaged.The size of the elastic pressure F3 of elastic component 36 can be set as needed, thus
So that clutch occurs for clutch part 50 when the external force F2 that camera module is subject to is greater than predetermined value.
In addition, being also provided with limit component 37 (for example, limited roller), limit component in the other side of rack gear push rod 35
37 is separated by a predetermined distance with the second transmission gear 32, and the rack gear to guarantee rack gear push rod 35 and the second transmission gear 32 are each other
Engagement, to guarantee the linear motion of rack gear push rod 35.As an example, working as the center of limit component 37 and the second transmission gear 32
When line is located at horizontal direction, rack gear push rod 35 can be limited to move along a straight line in vertical direction.In addition, limit component 37 may be used also
The lower position retracted for limiting rack gear push rod 35, while guaranteeing that camera module 20 returns to position appropriate.
In addition, as an example, the first clutch component 51 and the second clutch component 52 may also include it is prominent from the side surface of gear
Pedestal or boss out, pedestal or boss can be between protrusion and gears, to increase structural strength.
But the form of the first clutch component 51 and the second clutch component 52 is not limited to from being as described above protrusion
One in first clutch component 51 and the second clutch component 52 also only can be formed as protrusion, another is formed as by form
To the groove of the end face internal recess of gear.
In addition, the quantity of the actuated element in transmission component is not limited to quantity shown in Fig. 1-7, it can be according to rack gear push rod
35 length and mobile phone space and appropriate adjustment.As an example, transmission component may include a worm gear and three transmission gear (ginsengs
According to Fig. 8), it might even be possible to it is reserved only to that a worm gear 34 of clutch part 50 and a gear is arranged and saves other intermediate transmissions
Gear (referring to Fig. 9).
In conclusion webcam driver mechanism according to the present utility model and the electronics dress with the webcam driver mechanism
It sets, camera module can be made easily to retract when camera module is by external impacts, to prevent camera module from being damaged
It is bad.In addition, the clutch transmission structure is simple, manufacture difficulty is low, also, relative to the existing radial clutch for making gear
Clutch, it is therefore prevented that maloperation phenomenon caused by covibration etc. improves the use reliability of electronic device.
Specific embodiment of the present utility model is described in detail above, although having show and described some realities
Apply example, it will be understood by those skilled in the art that do not depart from defined by the claims and their equivalents it is practical
In the case where novel principle and spirit, it can modify to these embodiments and perfect, these modifications and improve also should be
In the protection scope of the utility model.
Claims (10)
1. a kind of webcam driver mechanism, the camera for being mounted in electronic device (10), in drive electronics (10)
The stretching or retraction of mould group (20), which is characterized in that the webcam driver mechanism includes at least the first actuated element and second
Actuated element is provided with clutch part (50) between first actuated element and the second actuated element, clutch part (50) control
The on-off of power transfer path between first actuated element and the second actuated element is subject to when camera module (20)
When external force is greater than predetermined value, clutch part (50) makes the power transfer path between first actuated element and the second actuated element
It disconnects.
2. webcam driver mechanism as described in claim 1, which is characterized in that first actuated element is the first driving cog
It takes turns (31), second actuated element is the second transmission gear (32), the first transmission gear (31) and the second transmission gear (32)
Coaxial arrangement, the clutch part (50) include being separately positioned on the first transmission gear (31) and the second transmission gear (32) is facing
Surface on the first clutch component (51) and the second clutch component (52), the first clutch component (51) and the second clutch component
(52) it is axially be combined with each other with inclined surface, when the external force that camera module (20) is subject to is greater than predetermined value, institute
State the first clutch component (51) and the second clutch component (52) in axial direction mutually stagger so that the first transmission gear (31) and
Power transfer path between second transmission gear (32) disconnects.
3. webcam driver mechanism as claimed in claim 2, which is characterized in that the webcam driver mechanism further includes elasticity
Component (36), the elastic component (36) setting is axially external the first transmission gear (31) or the second transmission gear (32),
By applying elastic force the first clutch component (51) and the second clutch component (52) are be combined with each other.
4. webcam driver mechanism as claimed in claim 3, which is characterized in that the webcam driver mechanism further includes rack gear
Push rod (35), worm screw (33) and driving unit (40), the rack gear push rod (35) include rack gear and push rod, the camera module
(20) it is fixedly connected with the push rod, the output axis connection of the worm screw (33) and driving unit (40) transmits drive force to
First transmission gear (31) then passes to rack gear push rod (35) by the second transmission gear (32), to drive camera shooting
Head mould group (20) moves along a straight line.
5. webcam driver mechanism as claimed in claim 2, which is characterized in that first clutch component (51) and described
One in two clutch components (52) includes towards in first clutch component (51) and second clutch component (52)
Another at least one protrusion outstanding, another in first clutch component (51) and second clutch component (52)
With groove corresponding at least one described protrusion, combined between the protrusion and the groove with inclined surface.
6. webcam driver mechanism as claimed in claim 5, which is characterized in that the protrusion is trapezoidal, has inclined side
Surface, the groove are in inverted trapezoidal, have inclined surface corresponding with the inclined surface of the protrusion.
7. webcam driver mechanism as claimed in claim 6, which is characterized in that in the first clutch component (51) and described second
Each of clutch component (52) has been respectively formed on protrusion, groove is formed between adjacent protrusion, the protrusion is according to annulus
Shape is evenly arranged, and is coaxially disposed with the first transmission gear (31) and the second transmission gear (32).
8. webcam driver mechanism as claimed in claim 4, which is characterized in that the webcam driver mechanism further includes limit
Component (37), limit component (37) setting is on the outside of rack gear push rod (35), for limiting the fortune of the rack gear push rod (35)
Dynamic path.
9. such as webcam driver mechanism of any of claims 1-8, which is characterized in that
First actuated element and second actuated element are respectively worm gear and roller gear,
Alternatively, the first actuated element and second actuated element are roller gear.
10. a kind of electronic device, which is characterized in that the electronic device includes camera module (20) and such as claim 1-
Webcam driver mechanism described in any one of 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742420.0U CN208432840U (en) | 2018-05-17 | 2018-05-17 | Camera driving mechanism and electronic device having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820742420.0U CN208432840U (en) | 2018-05-17 | 2018-05-17 | Camera driving mechanism and electronic device having the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208432840U true CN208432840U (en) | 2019-01-25 |
Family
ID=65103313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820742420.0U Expired - Fee Related CN208432840U (en) | 2018-05-17 | 2018-05-17 | Camera driving mechanism and electronic device having the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208432840U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995915A (en) * | 2019-03-27 | 2019-07-09 | 歌尔科技有限公司 | A kind of electronic product and its camera sharing structure |
| CN110753174A (en) * | 2019-11-01 | 2020-02-04 | 联想(北京)有限公司 | Electronic equipment |
| CN113485056A (en) * | 2021-07-02 | 2021-10-08 | 中山联合光电研究院有限公司 | Retractable zoom lens capable of being pressed and retracted |
| US11432414B2 (en) | 2020-04-16 | 2022-08-30 | Chiun Mai Communication Systems, Inc. | Back cover ejection structure |
-
2018
- 2018-05-17 CN CN201820742420.0U patent/CN208432840U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995915A (en) * | 2019-03-27 | 2019-07-09 | 歌尔科技有限公司 | A kind of electronic product and its camera sharing structure |
| CN110753174A (en) * | 2019-11-01 | 2020-02-04 | 联想(北京)有限公司 | Electronic equipment |
| US11432414B2 (en) | 2020-04-16 | 2022-08-30 | Chiun Mai Communication Systems, Inc. | Back cover ejection structure |
| CN113485056A (en) * | 2021-07-02 | 2021-10-08 | 中山联合光电研究院有限公司 | Retractable zoom lens capable of being pressed and retracted |
| CN113485056B (en) * | 2021-07-02 | 2023-08-25 | 中山联合光电研究院有限公司 | Retractable zoom lens capable of being pressed and retracted |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |