CN207833088U - A kind of controllable zoom lens control device - Google Patents
A kind of controllable zoom lens control device Download PDFInfo
- Publication number
- CN207833088U CN207833088U CN201721831427.1U CN201721831427U CN207833088U CN 207833088 U CN207833088 U CN 207833088U CN 201721831427 U CN201721831427 U CN 201721831427U CN 207833088 U CN207833088 U CN 207833088U
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- China
- Prior art keywords
- control device
- zoom lens
- lens control
- yawing axis
- sliding block
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Abstract
The utility model provides a kind of controllable zoom lens control device comprising：Pedestal, top are equipped with guide rail；Driving device comprising power part and transmission mechanism；Transmission mechanism includes connecting rod, sliding block and the yawing axis driven by power part；Connecting rod bottom is fixedly connected with yawing axis；Sliding block is fixedly connected at the top of connecting rod；Sliding block is slippingly set on guide rail；Yawing axis passes through pedestal；Lens are fixed on sliding block.The utility model can change the position of lens as needed, to change laser focal, realize automatic instantaneous focusing；Response quickly, it is simple in structure.
Description
Technical field
The utility model is related to a kind of controllable zoom lens control devices.
Background technology
In laser printing, often mobile focus point as needed, changes focal length, it is therefore desirable to use zoom lens control device.
In the prior art, Chinese patent 200710201153.2 discloses a kind of zoom lens control device comprising microscope base, one
A driving device, at least one first lens barrel.Driving device is arranged on the outside of microscope base, and the first lens barrel is housed in microscope base.Microscope base
Including the holding ring that a fixed plate is connect with the fixed plate, opened up in fixed plate there are one through-hole, to make light pass through.Hold
It includes a retention wall to set ring, and an opening is offered in the retention wall.First lens barrel is a hollow cylinder, the first lens barrel outer wall ring
Equipped with transmission teeth, first lens barrel by its be driven the opening of teeth and microscope base it is relatively positive in a manner of be screwed onto in microscope base.Driving
Device includes a transmission gear, and the transmission gear of driving device is via the transmission being open with the first lens barrel on the holding ring of microscope base
Teeth are meshed.
Chinese patent 201180044552.7 discloses a kind of strobe zoom device, including：Feed screw bar has and is used for
The electric feeding leading screw of stroboscopic zoom, the feed screw are attached to shell so as to around the central axis of itself rotation and along longitudinal direction
Extend, thread groove is formed on the periphery of feed screw bar；And wire rod, installation to movable body (planar lens plate or light source
Box) and wind around at least part of thread groove and engaged at least part.
Chinese patent 201210164651.5 discloses a kind of zoom lens control device of infrared high-speed ball, it includes infrared high-speed ball
Preceding face, for video camera perspective flat glass and with several infrared lamps several convex lenses correspondingly, flat glass and
Convex lens is mounted on preceding face, it further includes total zoom mechanism, motor mounting rack, transmission gear for electric motor and motor, and motor passes
One end of dynamic device is connect with motor output shaft, and the other end is connect with total zoom mechanism.
It includes a camera lens, one first setting element, one that Chinese patent 02146893.1, which discloses a kind of Automatic zoom lens focusing device,
Second setting element, a magnet and a coil.Second setting element connection lens, and engage the first setting element.Magnet connects
Connect the second setting element.Coil is set to the outer ring of magnet.When coil is passed through electric current, magnet will be by the electric current institute on coil
The magnetic force of induction and rotated, be further driven to the second setting element rotation.
The defect of aforesaid way is：Response is slower, complicated.
Therefore, a kind of response quickly how is provided, zoom lens control device simple in structure becomes industry problem to be solved.
Invention content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of controllable zoom lens control device, and response is fast
Speed, it is simple in structure.
To achieve the goals above, the utility model provides a kind of controllable zoom lens control device, and zoom lens control device includes：
Pedestal, pedestal top are equipped with guide rail；
Driving device, driving device include power part and transmission mechanism；Transmission mechanism includes connecting rod, sliding block and by power
The yawing axis of component driving；Connecting rod bottom is fixedly connected with yawing axis；Sliding block is fixedly connected at the top of connecting rod；Sliding block is slippingly set
In on guide rail；Yawing axis passes through pedestal；
Lens, lens are fixed on sliding block.
In the utility model, power part drives yawing axis to rotate about the axis thereof.
In the utility model, yawing axis rotation drives connecting rod, connecting rod band movable slider to be slid on guide rail.
In the utility model, laser beam passes through lens；Lens are moved with sliding block, and focal length also changes correspondingly.
The utility model can change the position of lens as needed, to change laser focal, realize automatic instantaneous focusing；
Response quickly, it is simple in structure.
According to another specific implementation mode of the utility model, power part includes the deflection electricity for driving yawing axis to rotate
Machine；Deflection motor output end is fixedly connected with yawing axis.
According to another specific implementation mode of the utility model, connecting rod is located at pedestal both sides with deflection motor.
According to another specific implementation mode of the utility model, power part further comprises the drive for driving deflection motor
Movable plate card, Driver Card are connected with deflection motor.
According to another specific implementation mode of the utility model, lens include eyeglass and mirror holder, and eyeglass is fixed on mirror holder；Swash
Light beam passes through eyeglass axle center.
According to another specific implementation mode of the utility model, mirror holder is fixed on sliding block.
According to another specific implementation mode of the utility model, the rotating range of yawing axis is ± 15 degree.
According to another specific implementation mode of the utility model, guide rail is located above yawing axis；Guide rail hangs down mutually with yawing axis
Directly.
The operating principle of the utility model is as follows：
1, Driver Card drives deflection motor, deflection motor to drive yawing axis to do circumference within the scope of ± 15 degree and back and forth transport
It is dynamic；
2, yawing axis drives connecting rod, connecting rod band movable slider to do straight reciprocating motion on guide rail；
3, lens are fixed on sliding block, and eyeglass axle center penetrates laser beam；
4, lens are changed with sliding block along light path, and laser focal also changes therewith, to realize focal length transient change；
5, Driver Card is controlled by software, to realize auto-focusing.
Compared with prior art, the utility model has following advantageous effect：
The utility model can change the position of lens as needed, to change laser focal, realize automatic instantaneous focusing；
Response quickly, it is simple in structure.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the explosive view of the zoom lens control device of embodiment 1；
Fig. 2 is the external structure schematic diagram of the zoom lens control device of embodiment 1.
Specific implementation mode
Embodiment 1
Present embodiments provide a kind of controllable zoom lens control device, as illustrated in fig. 1 and 2 comprising pedestal 1, driving device 2,
Transmission mechanism 3, power part 4 and lens 5.
Wherein, 1 top of pedestal is equipped with guide rail 101.
Driving device 2 includes transmission mechanism 3 and power part 4.
Transmission mechanism 3 includes connecting rod 301, sliding block 302 and the yawing axis 303 driven by power part 4；301 bottom of connecting rod
It is fixedly connected with yawing axis 303；Sliding block 302 is fixedly connected with 301 top of connecting rod；Sliding block 302 is slippingly set on guide rail 101；
Yawing axis 303 passes through pedestal 1；The rotation of yawing axis 303 drives connecting rod 301, connecting rod 301 sliding on guide rail 101 with movable slider 302
It moves；The rotating range of yawing axis 303 is ± 15 degree；Guide rail 101 is located at 303 top of yawing axis；Guide rail 101 is mutual with yawing axis 303
It is perpendicular.
Power part 4 drives yawing axis 303 to rotate about the axis thereof；Power part 4 includes for driving yawing axis 303 to rotate
Deflection motor 401 and Driver Card 402 for driving deflection motor 401；401 output end of deflection motor and yawing axis 303
It is fixedly connected；Driver Card 402 is connected with deflection motor 401；Connecting rod 301 is located at 1 both sides of pedestal with deflection motor 401.
Lens 5 are fixed on sliding block 302；Lens 5 include eyeglass 501 and mirror holder 502, and eyeglass 501 is fixed on mirror holder 502
On；Mirror holder 502 is fixed on sliding block 302；501 axle center of eyeglass penetrates laser beam 11.
Although the utility model is disclosed above with preferred embodiment, it is not limited to the model of the utility model implementation
It encloses.Any those skilled in the art improve in the invention scope for not departing from the utility model when can make a little,
I.e. every same improvement done according to the utility model, should be the scope of the utility model and is covered.
Claims (8)
1. a kind of controllable zoom lens control device, which is characterized in that the zoom lens control device includes：
Pedestal, the pedestal top are equipped with guide rail；
Driving device, the driving device include power part and transmission mechanism；The transmission mechanism include connecting rod, sliding block and by
The yawing axis of the power part driving；The connecting rod bottom is fixedly connected with the yawing axis；The sliding block is fixedly connected with institute
It states at the top of connecting rod；The sliding block is slippingly set on the guide rail；The yawing axis passes through the pedestal；
Lens, the lens are fixed on the sliding block.
2. zoom lens control device as described in claim 1, which is characterized in that the power part includes for driving the yawing axis
The deflection motor of rotation；The deflection motor output end is fixedly connected with the yawing axis.
3. zoom lens control device as claimed in claim 2, which is characterized in that the connecting rod is located at described with the deflection motor
Pedestal both sides.
4. zoom lens control device as claimed in claim 3, which is characterized in that the power part further comprises described for driving
The Driver Card of deflection motor, the Driver Card are connected with the deflection motor.
5. zoom lens control device as described in claim 1, which is characterized in that the lens include eyeglass and mirror holder, and the eyeglass is solid
Due on the mirror holder.
6. zoom lens control device as claimed in claim 5, which is characterized in that the mirror holder is fixed on the sliding block.
7. zoom lens control device as described in claim 1, which is characterized in that the rotating range of the yawing axis is ± 15 degree.
8. zoom lens control device as described in claim 1, which is characterized in that the guide rail is located above the yawing axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831427.1U CN207833088U (en) | 2017-12-22 | 2017-12-22 | A kind of controllable zoom lens control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831427.1U CN207833088U (en) | 2017-12-22 | 2017-12-22 | A kind of controllable zoom lens control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207833088U true CN207833088U (en) | 2018-09-07 |
Family
ID=63388927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721831427.1U Active CN207833088U (en) | 2017-12-22 | 2017-12-22 | A kind of controllable zoom lens control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207833088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-12-22 CN CN201721831427.1U patent/CN207833088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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