CN208399785U - A kind of lens focusing driving mechanism and projector - Google Patents
A kind of lens focusing driving mechanism and projector Download PDFInfo
- Publication number
- CN208399785U CN208399785U CN201821117448.1U CN201821117448U CN208399785U CN 208399785 U CN208399785 U CN 208399785U CN 201821117448 U CN201821117448 U CN 201821117448U CN 208399785 U CN208399785 U CN 208399785U
- Authority
- CN
- China
- Prior art keywords
- driving mechanism
- camera lens
- lens
- lens focusing
- focusing driving
- 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.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000008450 motivation Effects 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
Landscapes
- Lens Barrels (AREA)
Abstract
The utility model provides a kind of lens focusing driving mechanism and projector, belongs to liquid crystal projection apparatus technical field.It includes camera lens, positioning component, guidance set and driving assembly；Camera lens is connect with positioning component, and positioning component is movably mounted on guidance set；Driving assembly and camera lens are sequentially connected, and driving assembly can drive camera lens to move in a straight line along the axial direction of guidance set.The projector has above-mentioned lens focusing driving mechanism, and structure is simple and easy to use.
Description
Technical field
The utility model relates to liquid crystal projection apparatus technical field more particularly to a kind of lens focusing driving mechanism and projections
Instrument.
Background technique
Currently, one chip liquid crystal projection apparatus product in the market, is all made of the focusing that conventional spiral way realizes camera lens
Adjustment.Which technology maturation, structure are simple, but this single focusing adjustment driving method also limits product machine shape
Creative design, the case where causing the product of each producer in the market similar in shape, thousand hole one sides.
Utility model content
One of the purpose of this utility model is to provide a kind of lens focusing driving mechanism, this lens focusing driving mechanism purport
Solve the problems, such as in the prior art as lens focusing mode is single and caused by its shape it is single；
The another object of the utility model is to provide a kind of projector, this projector aim to solve the problem that in the prior art due to
Lens focusing mode it is single and caused by the single problem of its shape.
To achieve the above object, the technical solution of the utility model is:
A kind of lens focusing driving mechanism, the lens focusing driving mechanism include camera lens, positioning component, guidance set with
And driving assembly；
The camera lens is connect with the positioning component, and the positioning component is movably mounted on the guidance set；
The driving component and the camera lens are sequentially connected, and the driving component can drive the camera lens along the guiding
It is moved in a straight line on the axial direction of component.
As a kind of optimal technical scheme of the utility model, the camera lens has opposite the first side wall and second side
Wall, the driving component include driver, shaft and driving gear, are provided with and the driving gear on the first side wall
One end of the sequential like rack gear of engagement, the driver and the shaft is rotatablely connected, and the driving geared sleeve is located at described turn
Outside axis, the driving gear is engaged by the rack gear with the camera lens.
As a kind of optimal technical scheme of the utility model, the driver includes motor.
As a kind of optimal technical scheme of the utility model, the sequential like rack gear prolongs along the axial direction of the first side wall
Stretch direction extension.
As a kind of optimal technical scheme of the utility model, the guidance set includes guiding bottom plate, the guiding bottom
Guide groove is offered on plate, the guide groove is arranged along the axially extending direction of the guiding bottom plate；The positioning component includes
Positioning plate is equipped with locating piece on the positioning plate, and the locating piece is movably connected in the guide groove.
As a kind of optimal technical scheme of the utility model, the cross section of the guide groove is in inverted T font, the positioning
The cross section of block is in T font.
As a kind of optimal technical scheme of the utility model, the positioning component includes multiple connecting rods, multiple described
One end of connecting rod is connected to the camera lens, and the other end is connected to the positioning plate, and the connecting rod is in the locating piece
On the apparent surface of the positioning plate.
As a kind of optimal technical scheme of the utility model, the connecting rod is four.
As a kind of optimal technical scheme of the utility model, multiple connecting rods are connected to the first side wall
In second sidewall, the quantity of the connecting rod connected on the first side wall and the second sidewall is identical, and adjacent institute
The spacing stated between connecting rod is identical.
A kind of projector, the projector include above-described lens focusing driving mechanism.The utility model it is beneficial
Effect is:
The utility model provides a kind of lens focusing driving mechanism by above-mentioned design, the lens focusing driving mechanism due to
With camera lens, positioning component, guidance set and driving assembly；Wherein, camera lens has opposite the first side wall and second sidewall,
Driving assembly includes driver, shaft and driving gear, is provided with the sequential like tooth engaged with driving gear on the first side wall
One end of item, driver and shaft is rotatablely connected, and driving geared sleeve is located at outside shaft, and driving gear is nibbled by rack gear and camera lens
It closes；Guide groove, axially extending direction setting of the guide groove along guiding bottom plate are offered on guiding bottom plate；Positioning component includes positioning
Plate is equipped with locating piece on positioning plate, and locating piece is movably connected in guide groove；Therefore, when starting motor, driving
The rotation of sliding tooth wheel, driving gear just drives camera lens to move along a straight line along the extending direction of guide groove, to realize camera lens
Imaging focusing adjustment at different conditions.It follows that the lens focusing mode is different from conventional spiral way, it can
Realize the automation focusing of camera lens, and camera lens can carry out configuration design according to different design requirements, it is not limited to single
One configuration design.
The utility model provides a kind of projector by above-mentioned design, which is driven due to the lens focusing more than having
Therefore motivation structure has the characteristics that structure is simple and easy to use.
Detailed description of the invention
It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is lens focusing driving mechanism structure schematic diagram provided by the embodiment of the utility model；
Fig. 2 is the first angle structural schematic diagram of lens focusing driving mechanism provided by the embodiment of the utility model；
Fig. 3 is the second angle structural schematic diagram of lens focusing driving mechanism provided by the embodiment of the utility model；
Fig. 4 is the third angle structural schematic diagram of lens focusing driving mechanism provided by the embodiment of the utility model；
Fig. 5 is positioning component structural schematic diagram provided by the embodiment of the utility model；
Fig. 6 is guidance set structural schematic diagram provided by the embodiment of the utility model；
Fig. 7 is positioning component provided by the embodiment of the utility model and guidance set mating connection structural schematic diagram.
Icon: 1- lens focusing driving mechanism；2- camera lens；3- positioning component；4- guidance set；5- driving assembly；6-
One side wall；7- second sidewall；8- shaft；9- drives gear；10- is oriented to bottom plate；11- guide groove；12- positioning plate；13- positioning
Block；14- connecting rod.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, in the present invention unless specifically defined or limited otherwise, fisrt feature on second feature or
Under may include that the first and second features directly contact, may include the first and second features be not direct contact but logical yet
Cross the other characterisation contact between them.Moreover, fisrt feature is on second feature, top and above include fisrt feature
Right above second feature and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is
Under two features, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature
Level height is less than second feature.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment:
The present embodiment provides a kind of projectors comprising lens focusing driving mechanism 1, the lens focusing driving mechanism 1 are used
In the auto-focusing driving of the camera lens 2 of single chip type liquid crystal projector.
Fig. 1 is please referred to, referring to Figure 2 to Figure 4, lens focusing driving mechanism 1 includes camera lens 2, positioning component 3, guiding for cooperation
Component 4 and driving assembly 5；Camera lens 2 is connect with positioning component 3, and positioning component 3 is movably mounted on guidance set 4；It drives
Dynamic component 5 is sequentially connected with camera lens 2, and driving assembly 5 can drive camera lens 2 to do straight line fortune along the axial direction of guidance set 4
It is dynamic.
Fig. 1 is please referred to, camera lens 2 has opposite the first side wall 6 and second sidewall 7, and driving assembly 5 includes driver, turns
Axis 8 and driving gear 9, are provided with the sequential like rack gear engaged with driving gear 9 on the first side wall 6, driver and shaft 8
One end rotation connection, driving gear 9 are set in outside shaft 8, and driving gear 9 is engaged by rack gear with camera lens 2.
It should be noted that in the present embodiment, the effect of shaft 8 is that gear 9 can be driven under the effect of external force
Do stable circular motion.
It should be noted that in the present embodiment, driver is using driving motor；And in other examples,
Driver can also be using manually controlling or other drive connection mode.
It should be noted that in the present embodiment, sequential like rack gear extends along the axially extending direction of the first side wall 6,
Extend antiparallel setting with the width of driving gear 9.
Fig. 1 is please referred to, referring to figure 6 and figure 7, guidance set 4 includes guiding bottom plate 10 for cooperation, is oriented on bottom plate 10 and offers
Guide groove 11, guide groove 11 are arranged along the axially extending direction of guiding bottom plate 10；Positioning component 3 includes positioning plate 12, positioning plate
Locating piece 13 is installed, locating piece 13 is movably connected in guide groove 11 on 12.
It should be noted that in the present embodiment, the cross section of guide groove 11 is in inverted T font, i.e. guide groove 11 has phase
Logical card slot and link slot, wherein link slot is set to the top of card slot, and the width of link slot is greater than the width of link slot, and two
The rectangular structure in the cross section of person, the two intersect at straight line, which extends in the width of guiding bottom plate 10
Direction；The cross section of locating piece 13 is in T font, and with clamping block and link block, clamping block is connected to positioning by link block
Plate 12, the width of clamping block is greater than the width of link block, and clamping block is connected in card slot, and link block is connected in link slot,
Clamping block and the equal rectangular-blocklike of link block.
It should be noted that in other examples, the structure and shape of guide groove 11 and locating piece 13 can also adopt
With other forms, the structure and shape being not limited only in the present embodiment.
Please referring to Fig. 1, referring to Fig. 5 and Fig. 7, positioning component 3 includes multiple connecting rods 14 for cooperation, and the one of multiple connecting rods 14
End is connected to camera lens 2, and the other end is connected to positioning plate 12, and connecting rod 14 and locating piece 13 are in the apparent surface of positioning plate 12
On.Wherein, connecting rod 14 is at the position of portrait attachment 2, and at position of the locating piece 13 then in separate camera lens 2.
It should be noted that in the present embodiment, locating piece 13 is set to positioning plate using integrally formed mode
On 12；In other examples, it can also be connect, be not limited only to positioning plate 12 using other connection types
Mounting means in the present embodiment.
It should be noted that in the present embodiment, connecting rod 14 is four.Meanwhile one end of connecting rod 14 can use
Bolted mode is connected to positioning plate 12, in other examples, can also be connected to by the way of being threadedly coupled
Positioning plate 12, the connection type being not limited only in the present embodiment.
It should be noted that in the present embodiment, one end of connecting rod 14 can both use and the integrally formed knot of camera lens 2
Structure mode is connected on camera lens 2, can also be connected on camera lens 2 by way of being fixedly connected or being detachably connected；At it
In his embodiment, connecting rod 14 is not limited only to the connection type in the present embodiment.
It should be noted that in the present embodiment, multiple connecting rods 14 are connected to the first side wall 6 and second sidewall 7
On, the quantity of the connecting rod 14 connected on the first side wall 6 and second sidewall 7 is identical, and is in the adjacent connecting rod of same side wall
Spacing between 14 is identical.
The working principle of the lens focusing driving mechanism 1 is as hereinbefore set forth:
When starting motor, driving driving gear 9 is rotated, and driving gear 9 just drives the prolonging along guide groove 11 of camera lens 2
Direction is stretched to move along a straight line；When the rotation amplitude for adjusting driving gear 9, camera lens 2 may be implemented at different conditions
Imaging focusing adjustment.
In conclusion the lens focusing driving mechanism 1 is due to camera lens 2, positioning component 3, guidance set 4 and driving
Component 5；Wherein, camera lens 2 have opposite the first side wall 6 and second sidewall 7, driving assembly 5 include driver, shaft 8 and
Gear 9 is driven, the sequential like rack gear engaged with driving gear 9, one end turn of driver and shaft 8 are provided on the first side wall 6
Dynamic connection, driving gear 9 are set in outside shaft 8, and driving gear 9 is engaged by rack gear with camera lens 2；It is offered on guiding bottom plate 10
Guide groove 11, guide groove 11 are arranged along the axially extending direction of guiding bottom plate 10；Positioning component 3 includes positioning plate 12, positioning plate
Locating piece 13 is installed, locating piece 13 is movably connected in guide groove 11 on 12；Therefore, when starting motor, driving
Gear 9 is driven to rotate, driving gear 9 just drives camera lens 2 to move along a straight line along the extending direction of guide groove 11, to realize
The imaging focusing adjustment of camera lens 2 at different conditions.It follows that the camera lens 2 is focused, mode is different from conventional spiral way,
Its automation focusing that can be realized camera lens 2, and camera lens 2 can carry out configuration design according to different design requirements, not
It is confined to single configuration design.The projector due to the lens focusing driving mechanism 1 more than having, with structure
Simple and easy to use feature.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of lens focusing driving mechanism, it is characterised in that: the lens focusing driving mechanism include camera lens, positioning component,
Guidance set and driving assembly；
The camera lens is connect with the positioning component, and the positioning component is movably mounted on the guidance set；
The driving component and the camera lens are sequentially connected, and the driving component can drive the camera lens along the guidance set
Axial direction on move in a straight line.
2. lens focusing driving mechanism according to claim 1, it is characterised in that: the camera lens has the first opposite side
Wall and second sidewall, the driving component include driver, shaft and driving gear, are provided on the first side wall and institute
State the sequential like rack gear of driving gear engagement, one end rotation connection of the driver and the shaft, the driving geared sleeve
It is located at outside the shaft, the driving gear is engaged by the rack gear with the camera lens.
3. lens focusing driving mechanism according to claim 2, it is characterised in that: the driver includes motor.
4. lens focusing driving mechanism according to claim 2, it is characterised in that: the sequential like rack gear is along described first
The axially extending direction of side wall extends.
5. lens focusing driving mechanism according to claim 1, it is characterised in that: the guidance set includes guiding bottom
Plate, guide groove is offered on the guiding bottom plate, and the guide groove is arranged along the axially extending direction of the guiding bottom plate；It is described
Positioning component includes positioning plate, and locating piece is equipped on the positioning plate, and the locating piece is movably connected to the guiding
In slot.
6. lens focusing driving mechanism according to claim 5, it is characterised in that: the cross section of the guide groove is in T
Font, the cross section of the locating piece are in T font.
7. lens focusing driving mechanism according to claim 2, it is characterised in that: the positioning component includes multiple connections
Bar, one end of multiple connecting rods are connected to the camera lens, and the other end is connected to the positioning plate, the connecting rod with it is described
Locating piece is on the apparent surface of the positioning plate.
8. lens focusing driving mechanism according to claim 7, it is characterised in that: the connecting rod is four.
9. lens focusing driving mechanism according to claim 7, it is characterised in that: multiple connecting rods are connected to
On the first side wall and second sidewall, the quantity phase of the connecting rod connected on the first side wall and the second sidewall
Together, the spacing and between the adjacent connecting rod is identical.
10. a kind of projector, it is characterised in that: the projector includes that the described in any item lens focusings of claim 1 to 9 drive
Motivation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821117448.1U CN208399785U (en) | 2018-07-13 | 2018-07-13 | A kind of lens focusing driving mechanism and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821117448.1U CN208399785U (en) | 2018-07-13 | 2018-07-13 | A kind of lens focusing driving mechanism and projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208399785U true CN208399785U (en) | 2019-01-18 |
Family
ID=65131663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821117448.1U Expired - Fee Related CN208399785U (en) | 2018-07-13 | 2018-07-13 | A kind of lens focusing driving mechanism and projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208399785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114545719A (en) * | 2022-02-22 | 2022-05-27 | 深圳市火乐科技发展有限公司 | Automatic focusing device, projection equipment and automatic focusing method |
-
2018
- 2018-07-13 CN CN201821117448.1U patent/CN208399785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114545719A (en) * | 2022-02-22 | 2022-05-27 | 深圳市火乐科技发展有限公司 | Automatic focusing device, projection equipment and automatic focusing method |
| CN114545719B (en) * | 2022-02-22 | 2024-02-09 | 深圳市火乐科技发展有限公司 | Automatic focusing device, projection equipment and automatic focusing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7457131B2 (en) | Flat display driving apparatus | |
| CN208737077U (en) | Power zoom device | |
| CN207516621U (en) | The linear guide zoom lens control device and optical lens | |
| CN204374072U (en) | A kind of atomic absorption spectrophotometer (AAS) auto injection equipment | |
| CN208399785U (en) | A kind of lens focusing driving mechanism and projector | |
| CN207850379U (en) | A kind of plumb aligner laser target micro actuator | |
| CN110253610A (en) | It is posted suction nozzle | |
| CN111841391A (en) | Automatic lift mixing device | |
| CN207483262U (en) | A kind of intelligence electric business access stations lifting structure and intelligent electric business access stations | |
| CN202159178U (en) | Microscope | |
| CN108063896A (en) | A kind of focus control | |
| CN110047333A (en) | A kind of device suitable for multimedia mathematical education | |
| CN110132165A (en) | Spatial digitizer in the caliberating device and mouth of spatial digitizer | |
| CN108957677A (en) | Power zoom device | |
| CN207850938U (en) | Zoom device and digital pathological section scanner | |
| CN207744051U (en) | A kind of focus control | |
| CN209725659U (en) | A kind of CIS camera adjustments device | |
| CN209450702U (en) | Dental appliance box | |
| CN208166025U (en) | Medicine extractor tool hand and medicine taking device | |
| CN210800625U (en) | Fixing support for optical instrument | |
| CN105824112A (en) | Adjusting support and travelling microscope | |
| CN208477197U (en) | A kind of three-axis moving mechanism and the micro- scanning means comprising it | |
| CN208871262U (en) | A kind of high stable bracket | |
| CN109253369A (en) | A kind of bracket and projector | |
| CN110888362A (en) | Visual alignment precision machining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |