CN207516621U - The linear guide zoom lens control device and optical lens - Google Patents
The linear guide zoom lens control device and optical lens Download PDFInfo
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- CN207516621U CN207516621U CN201721649549.9U CN201721649549U CN207516621U CN 207516621 U CN207516621 U CN 207516621U CN 201721649549 U CN201721649549 U CN 201721649549U CN 207516621 U CN207516621 U CN 207516621U
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- cylinder
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- zoom lens
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Abstract
The utility model provides a kind of the linear guide zoom lens control device and optical lens, is related to optical imagery instrument field.The linear guide zoom lens control device includes fixed outer cylinder, mobile inner cylinder, variable focus package and driving mechanism, variable focus package includes guide rail and sliding block, sliding block is connect with driving mechanism, guide rail is installed on the outside of fixed outer cylinder, sliding block is slidably mounted on guide rail, sliding block is connect with mobile inner cylinder, in mobile inner tube installation and fixed outer cylinder.The linear guide zoom lens control device provided by the utility model is slidably matched by the use of guide rail and sliding block as variable focus package, mobile inner cylinder is connected to sliding block, so as to be moved on guide rail using driving mechanism band movable slider and then mobile inner cylinder is driven to move, realize the zooming adjustment to mobile inner cylinder, pass through guide rail and the linear reciprocating motion of sliding block, it realizes and adjusts, degree of regulation is high, more convenient operation.In addition, the optical lens includes above-mentioned the linear guide zoom lens control device.Its zoom accuracy is high, reliability more preferably, longer life expectancy.
Description
Technical field
The utility model is related to optical imagery instrument field, in particular to a kind of the linear guide zoom lens control device and
Optical lens.
Background technology
Zoom lens in traditional camera includes zoom in a manual manner and mechanically autozoom.Manually
Zoom can be manually rotated camera lens, makes the mode that camera lens is forward extended out or shunk back backward focus.And autozoom is generally then in mirror
Head is other to add a driving device, such as motor, and driving device driving camera lens is utilized to move.
Optical zoom apparatus of the prior art is by the way of gear and rack and using own tolerances cooperation slip
Realize zoom, higher to 2 part tolerances requirements, tolerance clearance too small may slide has some setbacks or stuck, tolerance clearance
It is too big, optical deviation is increased, influences imaging effect.Everyone feels different, different to elastic feeling, debugging difficulty
Greatly.
Utility model content
The purpose of this utility model is to provide a kind of the linear guide zoom lens control devices, can with better kinematic accuracy
By property more preferably, longer life expectancy.
The another object of the utility model is to provide a kind of optical lens, and zoom accuracy is high, reliability more preferably, the service life
It is longer.
What the embodiment of the utility model was realized in:
A kind of the linear guide zoom lens control device, including fixed outer cylinder, mobile inner cylinder, variable focus package and driving mechanism, zoom
Component includes guide rail and sliding block, and sliding block is connect with driving mechanism, and guide rail is installed on the outside of fixed outer cylinder, and sliding block is slidably mounted on
Guide rail, sliding block are connect with mobile inner cylinder, in mobile inner tube installation and fixed outer cylinder.
Optionally, in the preferred embodiment of the utility model, the mobile inner cylinder of above-mentioned the linear guide zoom lens control device includes
The connecting portion of radial direction extension of the zoom canister portion with zoom canister portion lateral surface is connected to and along zoom canister portion, fixed outer cylinder
Side wall has notch, and zoom canister portion is located in fixed outer cylinder, and connecting portion is stretched out from notch to be connect with sliding block.
Optionally, in the preferred embodiment of the utility model, the fixed outer cylinder of above-mentioned the linear guide zoom lens control device includes
First cylinder, the second cylinder and cover board, the second barrel jacket are set on the outside of the first cylinder and connect to form platform with the first cylinder
Scalariform, cover board are connected to end face of first cylinder far from the second cylinder, and notch is opened in the first cylinder.
Optionally, in the preferred embodiment of the utility model, the first cylinder of above-mentioned the linear guide zoom lens control device is located at
The position of notch has been extended installing plate along the radial direction of the first cylinder, and guide rail is installed on installing plate.
Optionally, in the preferred embodiment of the utility model, the variable focus package of above-mentioned the linear guide zoom lens control device also wraps
The leading screw and nut of mutual cooperation are included, driving mechanism is motor, and the both ends of leading screw are connect respectively with cover board and the second cylinder, even
Socket part is connect simultaneously with nut and sliding block, and sliding block is connect with driving mechanism by leading screw.
Optionally, in the preferred embodiment of the utility model, above-mentioned the linear guide zoom lens control device further includes transmission component,
Transmission component is connected between driving mechanism and leading screw.
Optionally, in the preferred embodiment of the utility model, the transmission component of above-mentioned the linear guide zoom lens control device includes
Intermeshing driving gear and driven gear, driving gear are connect with driving mechanism, and driven gear is connect with leading screw.
Optionally, in the preferred embodiment of the utility model, the variable focus package of above-mentioned the linear guide zoom lens control device also wraps
Include spring guiding axis, connecting portion is provided with mounting hole, spring guiding axis pass through mounting hole and both ends respectively with cover board and second
Cylinder connects.
Optionally, in the preferred embodiment of the utility model, the driving mechanism of above-mentioned the linear guide zoom lens control device is gas
Cylinder, the piston rod of cylinder are connect with sliding block.
A kind of optical lens, including above-mentioned the linear guide zoom lens control device.
The advantageous effect of the utility model embodiment for example including:
The linear guide zoom lens control device provided by the utility model is slidably matched by the use of guide rail and sliding block as variable focus package,
Mobile inner cylinder is connected to sliding block, so as to be moved on guide rail using driving mechanism band movable slider and then mobile inner cylinder is driven to transport
It is dynamic, it realizes the zooming adjustment to mobile inner cylinder, in the present embodiment, by guide rail and the linear reciprocating motion of sliding block, realizes and adjust,
Degree of regulation is high, more convenient operation.
In addition, optical lens provided in this embodiment, including above-mentioned the linear guide zoom lens control device.Its zoom accuracy is high,
Reliability more preferably, longer life expectancy.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is structure diagram of the linear guide zoom lens control device that provides of the utility model embodiment under the first visual angle;
Fig. 2 is the structure diagram of the fixed outer cylinder of the linear guide zoom lens control device that the utility model embodiment provides;
Fig. 3 is the structure diagram of the mobile inner cylinder of the linear guide zoom lens control device that the utility model embodiment provides;
Fig. 4 is structure diagram of the linear guide zoom lens control device that provides of the utility model embodiment under the second visual angle.
Icon:100- the linear guide zoom lens control devices;110- fixed outer cylinders;The first cylinders of 111-;The second cylinders of 112-;113-
Cover board;114- notches;115- installing plates;120- moves inner cylinder;121- zoom canister portions;122- connecting portions;123- mounting holes;130-
Variable focus package;131- guide rails;132- sliding blocks;133- leading screws;134- nuts;135- spring guiding axis;140- driving mechanisms;150-
Transmission component;151- driving gears;152- driven gears.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
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 part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model 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, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or
The utility model product using when the orientation usually put or position relationship or those skilled in the art usually understand
Orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified dress
It puts or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and it is not intended that instruction or hint phase
To importance.
In addition, the terms such as term " level ", " vertical ", " pendency " are not offered as requiring component abswolute level or pendency, and
It is that can be slightly tilted.It is not to represent the structure if " level " only refers to that its direction is more horizontal with respect to for " vertical "
It has to fully horizontally, 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
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected;Can be mechanical connection or electrical connection;It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Embodiment
Fig. 1 is please referred to, the present embodiment provides a kind of the linear guide zoom lens control device 100, including fixed outer cylinder 110, movement
Inner cylinder 120, variable focus package 130, driving mechanism 140 and transmission component 150.
The structure of fixed outer cylinder 110 please refers to Fig. 2.
Fixed outer cylinder 110 realizes zoom for accommodating mobile inner cylinder 120 and being moved inside it for mobile inner cylinder 120.This
In embodiment, fixed outer cylinder 110 is hollow cylindrical, including the first cylinder 111, the second cylinder 112 and cover board 113, sheet
In embodiment, the length of the first cylinder 111 is more than the length of the second cylinder 112, and the second cylinder 112 is sheathed on the first cylinder 111
Outside and being connect with the first cylinder 111 to be formed step-like, cover board 113 is connected to the first cylinder 111 far from the second cylinder 112
The end face of one end, and the outer diameter of cover board 113 is more than the first cylinder 111, therefore, radial direction side of the cover board 113 along the first cylinder 111
To protruding from the first cylinder 111.The side wall of first cylinder 111 of fixed outer cylinder 110 has notch 114, convenient for for mobile inner cylinder
120 parts are stretched out.In the present embodiment, notch 114 is set along the axis direction of first cylinder 111.In the first cylinder 111
Installing plate 115 is extended along the radial direction of the first cylinder 111 positioned at the position of the notch 114, convenient for zoom group
Part 130 is installed.In the present embodiment, the generally rectangular platy structure of installing plate 115 is connected to the first cylinder 111
Lateral wall.
The structure of mobile inner cylinder 120 please refers to Fig. 3.
Eyeglass is provided in mobile inner cylinder 120, by the position of the mobile lens barrel of change, realizes zoom.In the present embodiment, move
Dynamic inner cylinder 120 includes zoom canister portion 121 and connecting portion 122, and connecting portion 122 is connected to 121 lateral surface of zoom canister portion and along change
Burnt cylinder extends into line direction.In the present embodiment, zoom cylinder substantially hollow cylindrical, substantially four sides of connecting portion 122
Shape platy structure, due to opening up jagged 114 on the first cylinder 111 of fixed outer cylinder 110, in the present embodiment, by zoom cylinder
Body is located in the first cylinder 111 of fixed outer cylinder 110, and connecting portion 122 is stretched out from notch 114 and connect with variable focus package 130,
The mobile zoom under the drive of variable focus package 130.
The structure of variable focus package 130 please refers to Fig. 4.
Variable focus package 130 is used to drive mobile inner cylinder 120 is mobile in fixed outer cylinder 110 to realize zoom.In the present embodiment,
Variable focus package 130 includes guide rail 131 and sliding block 132, and sliding block 132 is connect with driving mechanism 140, and guide rail 131 is installed on fixed outer
The outside of cylinder 110, specifically, guide rail 131 is installed on the installing plate 115 of the first cylinder 111, and sliding block 132 is slideably pacified
Loaded on guide rail 131, sliding block 132 is connect with the connecting portion 122 of mobile inner cylinder 120, is existed by driving mechanism 140 with movable slider 132
It is moved on guide rail 131, so as to fulfill the position of mobile inner cylinder 120 is changed, and then realize zoom.
Driving mechanism 140 can be motor, motor, cylinder, hydraulic cylinder or telescopic rod, when driving mechanism 140 is motor
Or during motor, circular motion can be switched to move along a straight line, and then realize that band movable slider 132 moves in a straight line on guide rail 131;And
It when driving mechanism 140 is cylinder, hydraulic cylinder or telescopic rod, can directly be connect with sliding block 132, so as to utilize cylinder, hydraulic pressure
Cylinder or telescopic rod band movable slider 132 move in a straight line on guide rail 131.
Preferably, driving mechanism 140 is motor in the present embodiment.And the driving mechanism 140 is pacified by motor mounting rack
The side wall of fixed outer cylinder 110 is filled to, the position of driving mechanism 140 is fixed relative to the position of fixed outer cylinder 110.
In the present embodiment, variable focus package 130 further includes leading screw 133, nut 134 and spring guiding axis 135.Wherein, silk
Thick stick 133 and nut 134 coordinate.The both ends of leading screw 133 are connect respectively with 113 and second cylinder 112 of cover board, and nut 134 is slidably
Ground is installed on leading screw 133, and the connecting portion 122 of mobile inner cylinder 120 is connect simultaneously with nut 134 and sliding block 132, and sliding block 132 is with driving
Motivation structure 140 connects, and specific in the present embodiment, sliding block 132 connect with driving mechanism 140 and realized by leading screw 133,
It is that leading screw 133 is connect with driving mechanism 140, nut 134 is installed on leading screw 133, and the connecting portion 122 of mobile inner cylinder 120 is again
It is connect simultaneously with nut 134 and sliding block 132, when driving mechanism 140 drives leading screw 133 to rotate, nut 134 is on leading screw 133
It slides, and then the connecting portion 122 of mobile inner cylinder 120 and sliding block 132 is driven to slide, so as to fulfill the zoom of mobile inner cylinder 120
Operation, the process of appraising at the current rate is easy to operate and precision is high.
Connecting portion 122 is provided with mounting hole 123, spring guiding axis 135 pass through mounting hole 123 and both ends respectively with cover board
113 and second cylinder 112 connect.Spring guiding axis 135 can play further be oriented to the slip of mobile inner cylinder 120 and make
With so that the mobile accuracy higher of mobile inner cylinder 120.In the present embodiment, connecting portion 122 respectively with nut 134, sliding block 132
And spring guiding axis 135 connects, and realizes 3 points of limitings, more preferably, mobile accuracy is also more preferably for stablizing effect.
The structure of transmission component 150 is please continue to refer to Fig. 4.
Transmission component 150 is used to the rotation of motor being transferred to leading screw 133, is driven using transmission component 150, favorably
In the space for saving integral device, specific in the present embodiment, transmission component 150 be connected to driving mechanism 140 and leading screw 133 it
Between, which includes driving gear 151 and driven gear 152, and driving gear 151 is connect with driving mechanism 140, from
Moving gear 152 is connect with leading screw 133, driving gear 151 is driven to rotate by driving mechanism 140, driving gear 151 drives and it
The driven gear 152 of engagement rotates, and then the leading screw 133 being connect with driven gear 152 is driven to be rotated, whole process precision
Height, operation are rapid.
The operation principle of the linear guide zoom lens control device 100 is:Using being slidably matched for guide rail 131 and sliding block 132, by movement
Inner cylinder 120 is connected to sliding block 132, so as to be moved on guide rail 131 with movable slider 132 using driving mechanism 140 and then be driven shifting
Dynamic inner cylinder 120 moves, and realizes the zooming adjustment to mobile inner cylinder 120, in the present embodiment, passes through the past of guide rail 131 and sliding block 132
Linear motion realizes and adjusts that degree of regulation is high, more convenient operation.Meanwhile it is realized and will driven using leading screw 133 and nut 134
The rotation of mechanism 140 is converted into linear motion, and by the connecting portion 122 of mobile inner cylinder 120 simultaneously with sliding block 132, nut 134
And spring guiding axis 135 connects, and realizes 3 points of limitings, more preferably, mobile accuracy is also more preferably for stablizing effect.
In addition, a kind of optical lens is additionally provided in the present embodiment, including above-mentioned the linear guide zoom lens control device 100.Its
Zoom accuracy is high, reliability more preferably, longer life expectancy.
In conclusion cunning of the linear guide zoom lens control device 100 provided by the utility model using guide rail 131 and sliding block 132
Mobile inner cylinder 120 is connected to sliding block 132, thus using driving mechanism 140 with movable slider by dynamic cooperation as variable focus package 130
132 move on guide rail 131 and then mobile inner cylinder 120 are driven to move, and realize the zooming adjustment to mobile inner cylinder 120, this implementation
In example, by guide rail 131 and the linear reciprocating motion of sliding block 132, realize and adjust, degree of regulation is high, more convenient operation.
In addition, optical lens provided in this embodiment, including above-mentioned the linear guide zoom lens control device 100.Its zoom accuracy
Height, reliability more preferably, longer life expectancy.
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 the linear guide zoom lens control device, which is characterized in that it includes fixed outer cylinder, mobile inner cylinder, variable focus package and driving
Mechanism, the variable focus package include guide rail and sliding block, and the sliding block is connect with the driving mechanism, and the guide rail is installed on described
The outside of fixed outer cylinder, the sliding block are slidably mounted on the guide rail, and the sliding block is connect with the mobile inner cylinder, the movement
In inner tube installation and the fixed outer cylinder.
2. the linear guide zoom lens control device according to claim 1, which is characterized in that the mobile inner cylinder includes zoom canister portion
Be connected to the zoom canister portion lateral surface and along the connecting portion that extends of radial direction of the zoom canister portion, outside the fixation
The side wall of cylinder has notch, and the zoom canister portion is located in the fixed outer cylinder, and the connecting portion is stretched out from the notch and institute
State sliding block connection.
3. the linear guide zoom lens control device according to claim 2, which is characterized in that the fixed outer cylinder includes first
Body, the second cylinder and cover board, second barrel jacket are set on the outside of first cylinder and are connect with first cylinder
Formed step-like, the cover board is connected to end face of first cylinder far from second cylinder, and the notch is opened in institute
State the first cylinder.
4. the linear guide zoom lens control device according to claim 3, which is characterized in that first cylinder is located at the notch
Position be extended installing plate along the radial direction of first cylinder, the guide rail is installed on the installing plate.
5. the linear guide zoom lens control device according to claim 3, which is characterized in that the variable focus package further includes phase interworking
The leading screw and nut of conjunction, the driving mechanism are motor, the both ends of the leading screw respectively with the cover board and second described
Body connects, and the connecting portion is connect simultaneously with the nut and the sliding block, and the sliding block passes through described with the driving mechanism
Leading screw connects.
6. the linear guide zoom lens control device according to claim 5, which is characterized in that the linear guide zoom lens control device also wraps
Transmission component is included, the transmission component is connected between the driving mechanism and the leading screw.
7. the linear guide zoom lens control device according to claim 6, which is characterized in that the transmission component includes intermeshing
Driving gear and driven gear, the driving gear connect with the driving mechanism, and the driven gear connects with the leading screw
It connects.
8. the linear guide zoom lens control device according to claim 3, which is characterized in that the variable focus package further includes spring and leads
To axis, the connecting portion is provided with mounting hole, the spring guiding axis pass through the mounting hole and both ends respectively with the cover board
And the second cylinder connection.
9. the linear guide zoom lens control device according to claim 1, which is characterized in that the driving mechanism is cylinder, described
The piston rod of cylinder is connect with the sliding block.
10. a kind of optical lens, which is characterized in that it includes claim 1-9 any one of them the linear guides zoom such as and fills
It puts.
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CN201721649549.9U CN207516621U (en) | 2017-12-01 | 2017-12-01 | The linear guide zoom lens control device and optical lens |
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CN201721649549.9U CN207516621U (en) | 2017-12-01 | 2017-12-01 | The linear guide zoom lens control device and optical lens |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108957677A (en) * | 2018-09-25 | 2018-12-07 | 舜宇光学(中山)有限公司 | Power zoom device |
CN109541776A (en) * | 2018-11-22 | 2019-03-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of mechanical cam zoom mechanism of guide rail guiding |
CN109655992A (en) * | 2019-01-23 | 2019-04-19 | 中国科学院长春光学精密机械与物理研究所 | Positioning device |
CN109991804A (en) * | 2019-05-18 | 2019-07-09 | 烟台工程职业技术学院(烟台市技师学院) | A kind of lift Projection Display all-in-one machine |
CN110119017A (en) * | 2019-05-17 | 2019-08-13 | 中国科学院上海技术物理研究所 | A kind of two grades of zoom lens control devices having focusing function and its control method |
-
2017
- 2017-12-01 CN CN201721649549.9U patent/CN207516621U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108957677A (en) * | 2018-09-25 | 2018-12-07 | 舜宇光学(中山)有限公司 | Power zoom device |
CN109541776A (en) * | 2018-11-22 | 2019-03-29 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of mechanical cam zoom mechanism of guide rail guiding |
CN109655992A (en) * | 2019-01-23 | 2019-04-19 | 中国科学院长春光学精密机械与物理研究所 | Positioning device |
CN110119017A (en) * | 2019-05-17 | 2019-08-13 | 中国科学院上海技术物理研究所 | A kind of two grades of zoom lens control devices having focusing function and its control method |
CN109991804A (en) * | 2019-05-18 | 2019-07-09 | 烟台工程职业技术学院(烟台市技师学院) | A kind of lift Projection Display all-in-one machine |
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