CN201237663Y - Automatic zooming mechanism of optical zooming drawtube - Google Patents
Automatic zooming mechanism of optical zooming drawtube Download PDFInfo
- Publication number
- CN201237663Y CN201237663Y CNU2008201255154U CN200820125515U CN201237663Y CN 201237663 Y CN201237663 Y CN 201237663Y CN U2008201255154 U CNU2008201255154 U CN U2008201255154U CN 200820125515 U CN200820125515 U CN 200820125515U CN 201237663 Y CN201237663 Y CN 201237663Y
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- China
- Prior art keywords
- lens barrel
- zoom lens
- optical zoom
- extension board
- motor
- 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
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Abstract
The utility model relates to an automatic zooming mechanism of an optical zooming lens cone, comprising a fixed base seat, a motor, a transmission component and a detector. The fixed base seat fixes the motor on the optical zooming lens cone; the transmission component is provided with a timing driving wheel, a timing belt and a timing driven wheel; the motor is used for driving the timing driving wheel to rotate; the timing driving wheel drives the timing driven wheel to rotate by the timing belt; the timing driven wheel is arranged in the optical zooming lens cone so as to adjust a magnification adjusting component in the optical zooming lens cone; and detector detects the rotation of the timing driving wheel so as to generate signals and feedback and control the motor. By the means, the operating convenience, detecting efficiency and detecting accuracy of the optical zooming lens cone are improved.
Description
[technical field]
The utility model relates to a kind of autozoom mechanism of optical zoom lens barrel, particularly a kind of by motor and the inner multiplying power adjustment assembly of the electronic adjustment optical zoom of transmission component lens barrel (zoom), to improve the autozoom mechanism of operation ease and detection efficiency.
[background technology]
Traditionally, the product of many industrial volume production manufacturings is possible have various detection demands in each stage of its procedure for producing, whether the contraposition crystalline phase section whether consistent, that whether each size of component meets predetermined tolerance standard, alloy that for example may need to detect between each part meets required structure, or whether chemical reaction has formed required constituent or the like.Moreover also there are similar various detection demand in laboratory, institutions for academic research or check appraisal company.Usually need be assisted by means of optical detection apparatus (as interior zoom lens barrel) or microscope such as above-mentioned various detections, so that absorb image and it is amplified to the cognizable multiplying power of naked eyes.Therefore, for volume production product, experiment or evaluation, the detection quality that optical detection apparatus or microscope provide is real to be one of success or failure key of decision yield or accuracy rate.
Yet commercial now each of buying optical detection apparatus or microscope only possess the mechanism of hand adjustment zoom mostly, so between detection period, adjustment focal length and enlargement ratio that the operator only can be rough manually.In order to be adjusted to suitable focal length and multiplying power, the operator is essential constantly back and forth to be adjusted, in the hope of arriving pinpointed focus and multiplying power.But, at accurate day by day article to be measured such as electronic product, the operator is difficult to manually once adjust to the pinpointed focus of detection and the numerical range of multiplying power, its result wastes time and energy mostly, can't rapid adjustment to predetermined value or optimum value, not only reduce detection efficiency, and reduced the detection accuracy rate.Simultaneously, too much invalid manual adjustment number of times also increases the rate of wear of the multiplying power adjustment assembly of optical detection apparatus or microscope inside easily, and influence detects quality and accuracy rate, even reduces relatively its serviceable life.
Therefore, be necessary to provide a kind of autozoom mechanism of optical zoom lens barrel, to solve the existing in prior technology defective.
[utility model content]
Fundamental purpose of the present utility model provides a kind of autozoom mechanism of optical zoom lens barrel, and its multiplying power of utilizing motor to adjust optical zoom lens barrel inside by transmission component in electronic mode is adjusted assembly, and then improves operation ease and detection efficiency.
Another purpose of the present utility model provides a kind of autozoom mechanism of optical zoom lens barrel, its utilize detector detecting transmission component the time rule driving wheels rotating disk so that produce signal feedback control motor, and then improve detection accuracy.
Another purpose of the present utility model provides a kind of autozoom mechanism of optical zoom lens barrel, it is provided with several retaining elements, for adjusting motor position, contraposition axle center of motor, reach adjustment detector detecting position, and then improve and detect stable and the adjustment convenience.
In order to achieve the above object, the utility model provides a kind of autozoom mechanism of optical zoom lens barrel, and it comprises: a fixed pedestal, a motor, a transmission component and a detector.Described fixed pedestal is provided with a location-plate and an extension board, and described location-plate is fixed on the optical zoom lens barrel, and described extension board is incorporated into described location-plate.Described motor is fixed on the described extension board.Described transmission component is provided with and advises driving wheel for the moment, advises belt for the moment and advises engaged wheel for the moment, the rule driving wheel is subjected to the drive of described motor and rotates when described, and the rule driving wheel drives by described time rule belt that the rule engaged wheel rotates when described when described, the rule engaged wheel is located in the described optical zoom lens barrel when described, adjusts assembly with a multiplying power of adjusting described optical zoom lens barrel inside.Described detector is used for detecting the rotation of rule driving wheel when described, so that produce signal, described motor is controlled in feedback.
Compared to prior art, the autozoom mechanism of the utility model optical zoom lens barrel is by being provided with motor, transmission component and detector, multiplying power with automatic adjustment optical zoom lens barrel inside is adjusted assembly, make it can be adjusted to focal length or the multiplying power that sets, and can improve operation ease, detection efficiency and detection accuracy relatively.Because the utility model has reduced relatively and operated the required adjustment number of times of described optical zoom lens barrel, therefore also can reduce the rate of wear that described multiplying power is adjusted assembly, and prolong the serviceable life of described optical zoom lens barrel.In addition, described fixed pedestal also can utilize described first retaining element, second retaining element and the 3rd retaining element, with the relative position of adjusting described motor, the axle center of the described motor of contraposition, and the detecting position of the through hole of the described relatively rotating disk of the described detector of adjustment, detect stability and adjust convenience so can improve.
[description of drawings]
Fig. 1 is the combination stereogram of autozoom mechanism of the optical zoom lens barrel of the utility model preferred embodiment.
Fig. 2 is the combination front elevation of autozoom mechanism of the optical zoom lens barrel of the utility model preferred embodiment.
Fig. 3 is the partial enlarged drawing of autozoom mechanism of the optical zoom lens barrel of the utility model preferred embodiment.
[embodiment]
For allowing the utility model above-mentioned purpose, feature and advantage become apparent, the utility model preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Please refer to Fig. 1, Fig. 2 and shown in Figure 3, the autozoom mechanism of the optical zoom lens barrel of the utility model preferred embodiment mainly comprises a fixed pedestal 1, a motor 2, a transmission component 3 and a detector 4, autozoom mechanism is fixed on the optical zoom lens barrel 5, adjusts assembly 6 for a multiplying power of adjusting described optical zoom lens barrel 5 inside.Described optical zoom lens barrel 5 and multiplying power are adjusted assembly 6 and are belonged to existing structure, so the utility model will omit its detailed description.
Please refer to Fig. 1 to shown in Figure 3, the fixed pedestal 1 of the utility model preferred embodiment is in order to described motor 2, transmission component 3 and detector 4 are fixed on the described optical zoom lens barrel 5.Described fixed pedestal 1 is provided with a location-plate 11 and an extension board 12.Described location-plate 11 has an opening 111, a crack mouth 112, at least two pilot holes 113 and at least two adjustment holes 114.Described opening 111 is opened in the nearly central part of described location-plate 11, and it is in order on the outer peripheral face that is sheathed on described optical zoom lens barrel 5.Described crack mouth 112 is communicated in described opening 111, so that the nargin of locking to be provided.Two sides of the crack mouth 12 that is opened in described location-plate 11 of described pilot hole 113 correspondences, at least one of described pilot hole 113 is screw, so that make at least two setting elements 13 can be locked in it, dwindling the internal diameter of described opening 111, and then described location-plate 11 is locked on the described optical zoom lens barrel 5.Described setting element 13 is screw rod or other equivalence element preferably.Described adjustment hole 114 is preferably long slot bore, and its correspondence is opened in the side of described location-plate 11 in the face of described extension board 12.
Please refer to Fig. 1 to shown in Figure 3, the extension board 12 of the utility model preferred embodiment has an opening 121, at least two first fixed orifices 122, at least two second fixed orifice 123 and at least two the 3rd fixed orifices 124.Described opening 121 is opened in the nearly central part of described extension board 12, its can for an axostylus axostyle of described motor 2 (indicating) wear by.Described first fixed orifice 122 is preferably and is selected from screw, and its correspondence is opened in the side of described extension board 12 in the face of described location-plate 11, and to being positioned at described adjustment hole 114.In this way, at least two first retaining elements 14 are to pass the described adjustment hole 114 and first fixed orifice 122, so that adjustable locking is in conjunction with described location-plate 11 and extension board 12.Described second fixed orifice 123 is to offer and be surrounded on around the opening 121 of described extension board 12, its be can be conducted to few 2 second binding members 15 wear by so that described motor 2 is locked on the described extension board 12.Described the 3rd fixed orifice 124 is lateral borders that are opened in described extension board 12, its be can be conducted to few 2 the 3rd binding members 16 wear by so that described detector 4 is locked on the described extension board 12.Above-mentioned first to the 3rd retaining element, 14,15,16 preferable screw rod or other equivalence elements of being selected from.
Please refer to Fig. 1 to shown in Figure 3, the motor 2 of the utility model preferred embodiment is to be locked on the described extension board 12, and described motor 2 has an axostylus axostyle, can pass the opening 121 of described extension board 12.Moreover the transmission component 3 of the utility model preferred embodiment is provided with and advises driving wheel 31 for the moment, advises belt 32 for the moment and advises engaged wheel 33 for the moment.Rule driving wheel 31 is in time advised the engaged wheel 33 preferable gears that are selected from when described, and both number of teeth ratios are to adjust according to actual user demand.Rule driving wheel 31 is the axostylus axostyles that are incorporated into described motor 2 when described, and is subjected to the drive of described axostylus axostyle and rotates.Rule driving wheel 31 can drive described time rule belt 32 when described.Rule belt 32 extends into its inside by a breach 51 of described optical zoom lens barrel 5 when described.Rule engaged wheel 33 is located in the described optical zoom lens barrel 5 when described, and is incorporated into described multiplying power adjustment assembly 6.Rule engaged wheel 33 can be subjected to the drive of described time rule belt 32 and rotates when described, adjusts assembly 6 for the multiplying power of adjusting described optical zoom lens barrel 5 inside.In addition, rule driving wheel 31 is provided with a rotating disk 311 in addition when described, preferablely it on offers at least one through hole 312, so that arrange in pairs or groups described detector 4 uses.Described transmission component 3 also can be provided with at least one idle pulley 34 in addition, and it is rotating being located on the described extension board 12, and described idle pulley 34 is connected to a side of described time rule belt 32, so that adjust the elasticity of rule belt 32 when described.
Please refer to Fig. 1 to shown in Figure 3, the detector 4 of the utility model preferred embodiment is a lateral border that is locked in described extension board 12, and is preferably photo-coupler (optical coupler), and it comprises a photocell 41 and a light receiving element 42.Described photocell 41 and light receiving element 42 lay respectively at two sides of described time rule driving wheel 31.The through hole 312 of rule driving wheel 31 turns to a precalculated position when described, the light of described photocell 41 emissions can pass through described through hole 312, and by described light receiving element 42 receptions, the rotating speed of described time rule driving wheel 31 and rotate the number of turns to detect, so that produce a signal, be reported to a remote control (a for example computing machine), control described motor 2 in order to further feedback and whether remain in operation or stop.
Extremely shown in Figure 3 referring again to Fig. 1, when the autozoom mechanism of the optical zoom lens barrel of the utility model preferred embodiment is applied to an optical zoom lens barrel 5, one operator is the described remote control of may command (a for example computing machine), the focal length of its desire adjustment or the numerical value of multiplying power are inputed to described remote control, and described remote control sends described motor 2 runnings of signal enabling immediately.In this way, described motor 2 drive in regular turn described transmission component 3 time rule driving wheel 31, the time rule belt 32 timely rule engaged wheels 33, then the multiplying power that rule engaged wheel 33 is adjusted described optical zoom lens barrel 5 inside when described is again adjusted assembly 6, to reach the purpose of automatic adjustment focal length and multiplying power.During operation, the photocell 41 of described detector 4 and light receiving element 42 are advised the rotating speed and the rotation number of turns of the rotating disk 311 of driving wheel 31 when constantly detecting is described, and produce signal response to described remote control, control described motor 2 in order to further feedback and whether remain in operation or stop.After being adjusted to the focal length or multiplying power that the operator sets automatically, whether the images of the described optical zoom lens barrel of operator's may observe 5 output itself are adjusted with decision again.
As mentioned above, manual zoom system, pancreatic system compared to existing optical zoom lens barrel is wasted time and energy in operation, can't rapid adjustment to predetermined value or optimum value, not only reduced detection efficiency, and shortcomings such as detection accuracy rate have been reduced, therefore the autozoom of the present utility model mechanism of Fig. 1 can improve operation ease, detection efficiency and detection accuracy relatively by being adjusted to focal length or the multiplying power that sets automatically.Moreover, operate the required adjustment number of times of described optical zoom lens barrel 5 owing to reduced relatively, therefore also can reduce the rate of wear that described multiplying power is adjusted assembly 6, and prolong the serviceable life of described optical zoom lens barrel 5.In addition, described fixed pedestal 1 also can utilize described first retaining element 14, second retaining element 15 and the 3rd retaining element 16, axle center with the described motor 2 of relative position, contraposition of adjusting described motor 2, and the detecting position of the through hole 312 of the described relatively rotating disk 311 of the described detector 4 of adjustment, detect stability and adjust convenience so also can improve relatively.
Claims (10)
1. the autozoom mechanism of an optical zoom lens barrel, it is characterized in that: the autozoom mechanism of described optical zoom lens barrel comprises: a fixed pedestal, a motor, a transmission component and a detector, wherein said fixed pedestal is provided with a location-plate and an extension board, described location-plate is fixed on the optical zoom lens barrel, and described extension board is incorporated into described location-plate; Described motor is fixed on the described extension board; Described transmission component is provided with and advises driving wheel for the moment, advises belt for the moment and advises engaged wheel for the moment, the rule driving wheel is subjected to the drive of described motor and rotates when described, and the rule driving wheel drives by described time rule belt that the rule engaged wheel rotates when described when described, the rule engaged wheel is located in the described optical zoom lens barrel when described, adjusts assembly with a multiplying power of adjusting described optical zoom lens barrel inside; And described detector is used for detecting the rotation of rule driving wheel when described, so that produce signal, described motor is controlled in feedback.
2. the autozoom mechanism of optical zoom lens barrel as claimed in claim 1 is characterized in that: described location-plate has an opening and a crack mouth, and described opening is incorporated into described optical zoom lens barrel; Described crack mouth is communicated in described opening.
3. the autozoom mechanism of optical zoom lens barrel as claimed in claim 2, it is characterized in that: described location-plate has at least two pilot holes and at least two setting elements, two sides of the crack mouth that is opened in described location-plate of described pilot hole correspondence, described setting element is locked in it.
4. the autozoom mechanism of optical zoom lens barrel as claimed in claim 1 is characterized in that: described location-plate has at least two and adjusts the hole, and its correspondence is opened in the side of described location-plate in the face of described extension board, and described adjustment hole is a long slot bore.
5. the autozoom mechanism of optical zoom lens barrel as claimed in claim 4, it is characterized in that: described extension board has at least two first fixed orifices, and comprise at least two first retaining elements in addition, described first retaining element passes the described adjustment hole and first fixed orifice, to lock in conjunction with described location-plate and extension board.
6. the autozoom mechanism of optical zoom lens barrel as claimed in claim 1 is characterized in that: described extension board has an opening, for an axostylus axostyle of described motor wear by; Described extension board has at least two second fixed orifices, and it is surrounded on the around openings of described extension board, and comprises at least two second binding members in addition and wear by described second fixed orifice, to lock described motor on described extension board.
7. the autozoom mechanism of optical zoom lens barrel as claimed in claim 1, it is characterized in that: described extension board has at least two the 3rd fixed orifices, it is opened in a lateral border of described extension board, and comprise at least two the 3rd binding members in addition and wear, to lock described detector on described extension board by described the 3rd fixed orifice.
8. the autozoom mechanism of optical zoom lens barrel as claimed in claim 1 is characterized in that: described detector is a photo-coupler, and it comprises a photocell and a light receiving element.
9. the autozoom mechanism of optical zoom lens barrel as claimed in claim 8 is characterized in that: the rule driving wheel is provided with a rotating disk in addition when described, offers at least one through hole on it; Described light by the photocell emission passes through described through hole, is received by described light receiving element, and produces signal by described light receiving element.
10. the autozoom mechanism of optical zoom lens barrel as claimed in claim 1 is characterized in that: described transmission component is provided with at least one idle pulley in addition, its rotating being arranged on the described extension board, and described idle pulley is connected to a side of described time rule belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201255154U CN201237663Y (en) | 2008-06-30 | 2008-06-30 | Automatic zooming mechanism of optical zooming drawtube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201255154U CN201237663Y (en) | 2008-06-30 | 2008-06-30 | Automatic zooming mechanism of optical zooming drawtube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201237663Y true CN201237663Y (en) | 2009-05-13 |
Family
ID=40650396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201255154U Expired - Fee Related CN201237663Y (en) | 2008-06-30 | 2008-06-30 | Automatic zooming mechanism of optical zooming drawtube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201237663Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393557A (en) * | 2011-10-28 | 2012-03-28 | 东莞市普密斯精密仪器有限公司 | Manual zoom-stereo lens capable of automatically detecting fixed zoom ratio |
| CN102789039A (en) * | 2012-08-29 | 2012-11-21 | 苏州天准精密技术有限公司 | Continuous zoom lens with magnification adjustment indicating device |
| CN106657727A (en) * | 2016-11-02 | 2017-05-10 | 深圳市维海德技术股份有限公司 | Camera varifocal sensing mechanism and camera assembly |
| CN109613675A (en) * | 2019-01-30 | 2019-04-12 | 珠海卡菲信息技术有限公司 | The zoom focusing controller of separate men from machines |
| CN113180575A (en) * | 2021-04-29 | 2021-07-30 | 深圳英美达医疗技术有限公司 | Optical zoom device using torque transmission and endoscope |
| CN113960856A (en) * | 2021-12-23 | 2022-01-21 | 广州成至智能机器科技有限公司 | Optical axis adjusting device, optical equipment, shooting device and unmanned aerial vehicle |
-
2008
- 2008-06-30 CN CNU2008201255154U patent/CN201237663Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393557A (en) * | 2011-10-28 | 2012-03-28 | 东莞市普密斯精密仪器有限公司 | Manual zoom-stereo lens capable of automatically detecting fixed zoom ratio |
| CN102393557B (en) * | 2011-10-28 | 2013-07-03 | 东莞市普密斯精密仪器有限公司 | Manual zoom-stereo lens capable of automatically detecting fixed zoom ratio |
| CN102789039A (en) * | 2012-08-29 | 2012-11-21 | 苏州天准精密技术有限公司 | Continuous zoom lens with magnification adjustment indicating device |
| CN106657727A (en) * | 2016-11-02 | 2017-05-10 | 深圳市维海德技术股份有限公司 | Camera varifocal sensing mechanism and camera assembly |
| CN109613675A (en) * | 2019-01-30 | 2019-04-12 | 珠海卡菲信息技术有限公司 | The zoom focusing controller of separate men from machines |
| CN113180575A (en) * | 2021-04-29 | 2021-07-30 | 深圳英美达医疗技术有限公司 | Optical zoom device using torque transmission and endoscope |
| CN113960856A (en) * | 2021-12-23 | 2022-01-21 | 广州成至智能机器科技有限公司 | Optical axis adjusting device, optical equipment, shooting device and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 |