CN107608068A - Automatically opening up and pack up lens cap device for photo-electric telescope - Google Patents
Automatically opening up and pack up lens cap device for photo-electric telescope Download PDFInfo
- Publication number
- CN107608068A CN107608068A CN201710997011.5A CN201710997011A CN107608068A CN 107608068 A CN107608068 A CN 107608068A CN 201710997011 A CN201710997011 A CN 201710997011A CN 107608068 A CN107608068 A CN 107608068A
- Authority
- CN
- China
- Prior art keywords
- lens cap
- lens
- chute
- cap
- lens barrel
- 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.)
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Abstract
Automatically opening up and pack up lens cap device for photo-electric telescope, belongs to photoelectric detection equipment technical field, solves the deficiency of the lens cap that 90 ° of upsets are opened in the prior art, and the device lens cap is arranged on lens barrel front end；Cap-opening mechanism is fixed on lens barrel, and is connected with lens cap；The cover inner surface of lens cap offers chute radially, and one end of chute is extended to outside lens cap；Lens cap lower end is fixed with magnet A；The end that chute is extended to outside lens cap has baffle plate；Chute end nearby sets hinged A；Guide rod is additionally provided with chute；The cylinder of cap-opening mechanism is fixed on lens barrel outer surface, and stretches push rod coordinates with cylinder, the stretches push rod direction of motion and lens barrel diameter parallel；Sliding block is located in chute, and can be slided in chute；There is a through hole coordinated with guide rod on sliding block；Baffle plate is used for the extreme sport position for limiting sliding block, prevents lens cap from continuing to overturn；Lens cap is hinged by cutting with scissors A with stretches push rod.
Description
Technical field
The present invention relates to a kind of automatically opening up and pack up lens cap device for photo-electric telescope, belong to photodetection and set
Standby technical field.
Background technology
Photo-electric telescope is the visual plant for carrying out astronomical observation, for the photo-electric telescope of 200-600mm bores, generally
Including a cylindric lens barrel, optical element is co-axially mounted in lens barrel.Lens barrel is long-term to be exposed in external environment condition, is held
Accumulated dust on optical element easily in lens barrel, and then influence the observing capacity of telescope.This just needs to set in front of lens barrel
A lens cap is put, in observation front opening lens cap every time, lens cap is closed after the completion of observation.Simplest mode is that setting can
The lens cap of manual teardown, lens cap by screw thread or are clasped with lens barrel, pull down or install manually by operating personnel.This
Kind lens hood structure is simple, convenient disassembly, good seal performance, but its application has significant limitation, when telescope is pacified
Mounted in higher position, hand switch lens cap is inconvenient for operation and abnormally dangerous.Automatic lens cover can pass through electric and pneumatic reality
The opening and closing of existing lens cap, according to the difference of structure type, existing lens hood structure form mainly have it is convertible, it is plug-type, it is more
Flap-type etc..
Authorization Notice No. discloses " a kind of electric turnover formula lens cap " for the utility model patent of " CN2629055Y ", its
90 ° are rotated around camera lens by motor driven lens cap, realizes the opening of lens cap, in this technical scheme, mirror under open mode
Skull is a cantilever position, poor rigidity, bears easily to cause lens barrel to vibrate during wind load, influences pointing accuracy；In addition, for big visual field
Camera lens, lens cap are easily produced to visual field and blocked.Certainly, it is also improvable to continue to turn by lens cap in order to overcome drawbacks described above
It is dynamic 180 °, it is attached to lens barrel side；But in this case, when lens cap is opened, camera lens exterior surface is attached to lens barrel
On, outwardly, dust easily gathers inner surface in internal surface area, and when camera lens is closed, the dust of inner surface accumulation is with lens cap
Pour into lens barrel；Moreover, lens cap opening procedure needs to rotate 270 ° altogether, type of drive can be relative complex.
The content of the invention
The present invention proposes that a kind of photoelectricity that is used for is hoped to solve the deficiency of the lens cap that 90 ° of upsets are opened in the prior art
Remote mirror automatically opens up and packs up lens cap device.Lens cap is overturn 90 ° first, then make lens cap towards holding level with both hands after lens barrel
Move, so that lens cap abuts in lens barrel side, and camera lens interior surface avoids inner surface from depositing ash towards lens barrel.
The present invention solves the technical scheme of technical problem：
Automatically opening up and pack up lens cap device for photo-electric telescope, it is characterized in that, it include lens cap, lens barrel and
Cap-opening mechanism；Lens cap is arranged on lens barrel front end, plays sealing process；Cap-opening mechanism is fixed on lens barrel, and is connected with lens cap
Connect, play a part of switching lens cap.
The lens cap includes cover plate, chute, guide rod, baffle plate, hinged A and magnet A；Cover inner surface is offered along footpath
To chute, one end of chute is extended to outside lens cap；Lens cap lower end is fixed with magnet A；The chute extends to camera lens
End outside lid has baffle plate；Chute end nearby sets hinged A；Guide rod is additionally provided with chute.
The cap-opening mechanism includes cylinder, stretches push rod, bellows and sliding block；The cylinder is fixed on lens barrel outer surface；
The stretches push rod coordinates with cylinder, the stretches push rod direction of motion and lens barrel diameter parallel；The bellows-sheathed is in stretches push rod
On, prevent external dust from entering cylinder with push rod；The sliding block is located in chute, and can be slided in chute；Have on sliding block
One through hole coordinated with guide rod；The baffle plate is used for the extreme sport position for limiting sliding block, prevents lens cap from continuing to overturn,
Realize switching of the flip-flop movement to translational motion；Lens cap is hinged by cutting with scissors A with stretches push rod.
Along a hinge B is set on lens barrel, cut with scissors B and be hinged with the one end of sliding block away from chute；Lens barrel lower edge is provided with magnet B,
When the magnet A on lens cap is close to magnet B, both can be adsorbed on together.
Lens cap and lens barrel are all aluminum alloy materials.
Camera lens interior surface is provided with sealing ring with lens barrel along the position contacted.
The position of the magnet A and magnet B replaces with clamp button of the spring, so that tight close when lens cap is closed.
The drive device of the cylinder and stretches push rod replaces with the silk of its linear electric motors or motor driven nut rotation
Thick stick nut body.
The present invention is beneficial to be had the technical effect that：The device only needs the single drive form of single direction, and camera lens can be achieved
Progress, the drive form successively for two motions that lid upset is opened and translation is packed up are simple.Lens cap abuts in lens barrel after packing up
Side, lens cap are connected by 2 points of the pin joint and sliding block with push rod with lens barrel, and the rigidity of structure is high, and can pass through push rod
Continue to shrink, to apply certain pretightning force, further to increase the rigidity of structure.
Brief description of the drawings
Fig. 1 is the structural representation for automatically opening up and packing up lens cap device that the present invention is used for photo-electric telescope.
Fig. 2 is the inner surface structure for automatically opening up and the packing up lens cap device signal that the present invention is used for photo-electric telescope
Figure.
Fig. 3 a are the sectional view under lens cap completely closed state of the present invention in Fig. 3, and Fig. 3 b are Fig. 3 a upper left corners
Partial enlarged drawing.
Fig. 4 a are the sectional view of lens cap opening procedure of the present invention in Fig. 4, and Fig. 4 b are that Fig. 4 a upper left corners are locally put
Big figure.
Fig. 5 a are sectional view when lens cap of the present invention is opened completely in Fig. 5, and Fig. 5 b are that Fig. 5 a upper left corners are locally put
Big figure.
Fig. 6 a are the sectional view that lens cap of the present invention is retracted into lens barrel back process in Fig. 6, and Fig. 6 b are Fig. 6 a left
Upper angle partial enlarged drawing.
The lens cap that a, b, c are respectively the present invention in Fig. 7 completely closes, opens completely and is retracted into lens barrel back state
Kinematic sketch of mechanism.
In figure：1st, lens cap, 12, chute, 13, guide rod, 14, baffle plate, 15, hinge A, 16, magnet A, 2, lens barrel, 21, hinge
B, 22, magnet B, 3, cap-opening mechanism, 31, cylinder, 32, stretches push rod, 33, bellows, 34, sliding block.
Embodiment
As shown in figure 1, automatically opening up and pack up lens cap device for photo-electric telescope, including lens cap 1, lens barrel 2
With cap-opening mechanism 3, lens cap 1 is arranged on the front end of lens barrel 2, plays sealing process, and cap-opening mechanism 3 is fixed on lens barrel 2, and and mirror
Skull 1 connects, and plays a part of switching lens cap 1.
As shown in Fig. 2 lens cap 1 includes cover plate 11, chute 12, guide rod 13, baffle plate 14, hinged A15 and magnet A 16,
The inner surface of cover plate 11 offers chute 12 radially, and one end of chute 12 is extended to outside lens cap 1；The chute 12 extends
End outside to lens cap 1 has baffle plate 14；The end of chute 12 nearby sets hinged A15；Guide rod is additionally provided with chute 12
13.The lower end of lens cap 1 is fixed with magnet A 16.
As shown in figure 3, the cap-opening mechanism 3 includes：Cylinder 31, stretches push rod 32, bellows 33, sliding block 34；The gas
Cylinder 31 is fixed on the outer surface of lens barrel 2, and stretches push rod 32 coordinates with cylinder 31, and the direction of motion of stretches push rod 32 is put down with the axis of lens barrel 2
OK, bellows 33 is enclosed in stretches push rod 32, prevents external dust from entering cylinder 31 with push rod.Sliding block 34 is located in chute 12,
And can be slided in chute 12, baffle plate 14 is used for the extreme sport position for limiting sliding block 34, prevents lens cap 1 from continuing to overturn, real
Switching of the existing flip-flop movement to translational motion.There is a through hole coordinated with guide rod 13 on sliding block 34；Lens cap 1 passes through hinge
A15 is be hinged with stretches push rod 32.
Along a hinge B21 is set on lens barrel 2, cut with scissors B21 and be hinged with the one end of sliding block 34 away from chute 12.
The lower edge of lens barrel 2 is provided with magnet B 22, and 1 corresponding position of lens cap is also equipped with magnet A 16, when magnet A 16 is close
During magnet B 22, both can be adsorbed on together.Lens barrel 2 and lens cap 1 are all aluminum alloy materials.When lens cap 1 is closed, two magnetic
The suction of iron can ensure that lens cap 1 closely closes.The inner surface of lens cap 1 is provided with sealing ring with lens barrel 2 along the position of contact.
It is complicated in view of pneumatic means, it is necessary to often safeguard, the drive device of the cylinder 31 and stretches push rod 32
The drive device of other energy linear movement outputs, such as linear electric motors, or motor driven nut rotation can also be replaced with
Screw-nut body etc..
The course of work of the present invention that automatically open up and pack up lens cap for photo-electric telescope is as follows：
As seen in figures 3-6, when lens cap 1 is opened, cylinder 31 is worked, and stretches push rod 32 is shunk, and stretches push rod 32 pulls
Hinge B21 of the lens cap 1 on lens barrel 2 is rotated clockwise, and lens cap 1 is opened；At the same time, along chute while sliding block 34 rotates
12 to moving outside lens cap 1；When lens cap 1 rotates 90 °, sliding block 34 just runs into the baffle plate 14 of outside chute end and stopped
Stop；Baffle plate 14 is used to prevent lens cap 1 from continuing to overturn, and realizes switching of the flip-flop movement to translational motion.Stretches push rod 32 continues
Shrink, sliding block 34 is back towards 12 another end motion of chute, and now, sliding block 34 is static with respect to lens barrel 2, the opposing slider 34 of lens cap 1
Translated with lens barrel 2, be retracted into the side of lens barrel 2, when sliding block 34 runs into the end of the other end of chute 12, the translation fortune of lens cap 1
Dynamic to stop, cylinder 31 is stopped.
The closing process of lens cap 1 is with said process completely on the contrary, realizing lens cap 1 by the stretching of stretches push rod 32
Stretch out successively with rotary movement to close lens barrel 2.
In order that during lens cap is packed up, lens cap 1 is parallel with lens barrel 2, and hinge A15 centers to the baseplane of chute 12 are hung down
Directly distance l1, hinge B21 centers to the baseplane of chute 12 vertical range l2And hinge A15 centers to the axis of cylinder 31 it is vertical away from
From l3Relation l should be met1–l2=l3, as shown in Fig. 7 a, 7b and 7c.
Claims (8)
1. automatically opening up and packing up lens cap device for photo-electric telescope, it is characterized in that, it includes lens cap (1), lens barrel
And cap-opening mechanism (3) (2)；
Lens cap (1) is arranged on lens barrel (2) front end, plays sealing process；
Cap-opening mechanism (3) is fixed on lens barrel (2), and is connected with lens cap (1), plays a part of switching lens cap (1).
2. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 1, it is characterised in that
The lens cap (1) includes cover plate (11), chute (12), guide rod (13), baffle plate (14), hinged A (15) and magnet A (16)；
Cover plate (11) inner surface offers chute (12) radially, and one end of chute (12) extends to lens cap (1) outside；Mirror
Skull (1) lower end is fixed with magnet A (16)；
The chute (12), which extends to the outside end of lens cap (1), has baffle plate (14)；Chute (12) end is nearby provided with
Cut with scissors A (15)；Guide rod (13) is additionally provided with chute (12).
3. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 2, it is characterised in that
The cap-opening mechanism (3) includes cylinder (31), stretches push rod (32), bellows (33) and sliding block (34)；
The cylinder (31) is fixed on lens barrel (2) outer surface；
The stretches push rod (32) coordinates with cylinder (31), stretches push rod (32) direction of motion and lens barrel (2) diameter parallel；
The bellows (33) is enclosed in stretches push rod (32), prevents external dust from entering cylinder (31) with push rod；
The sliding block (34) is located in chute (12), and can be slided in chute (12)；There is one with being oriented on sliding block (34)
The through hole that bar (13) coordinates；
The baffle plate (14) is used for the extreme sport position for limiting sliding block (34), prevents lens cap (1) from continuing to overturn, realizes upset
Move to the switching of translational motion；
Lens cap (1) is be hinged with stretches push rod (32) by cutting with scissors A (15).
4. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 3, it is characterised in that
Along a hinge B (21) is set on lens barrel (2), hinge B (21) is hinged with the one end of sliding block (34) away from chute (12)；
Lens barrel (2) lower edge is provided with magnet B (22), when the magnet A (16) on lens cap (1) is close to magnet B (22), Liang Zheke
It is attached together.
5. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 1, it is characterised in that
Lens cap (1) and lens barrel (2) are all aluminum alloy materials.
6. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 1, it is characterised in that
Lens cap (1) inner surface is provided with sealing ring with lens barrel (2) along the position contacted.
7. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 3, it is characterised in that
The position of the magnet A (16) and magnet B (22) replaces with clamp button of the spring, so that tight close when lens cap is closed.
8. automatically opening up and packing up lens cap device for photo-electric telescope according to claim 3, it is characterised in that
The drive device of the cylinder (31) and stretches push rod (32) replaces with the silk of its linear electric motors or motor driven nut rotation
Thick stick nut body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997011.5A CN107608068A (en) | 2017-10-20 | 2017-10-20 | Automatically opening up and pack up lens cap device for photo-electric telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710997011.5A CN107608068A (en) | 2017-10-20 | 2017-10-20 | Automatically opening up and pack up lens cap device for photo-electric telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107608068A true CN107608068A (en) | 2018-01-19 |
Family
ID=61080528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710997011.5A Pending CN107608068A (en) | 2017-10-20 | 2017-10-20 | Automatically opening up and pack up lens cap device for photo-electric telescope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107608068A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505788A (en) * | 2020-04-17 | 2020-08-07 | 中国电子科技集团公司第五十三研究所 | Automatic lens cover |
| CN112171717A (en) * | 2019-07-04 | 2021-01-05 | 陕西丝路机器人智能制造研究院有限公司 | Industrial robot production is supplementary to sweep a yard module with intelligence |
| CN112664775A (en) * | 2020-12-21 | 2021-04-16 | 陈文锋 | Horizontal marking device for interior decoration |
| CN113671685A (en) * | 2021-07-20 | 2021-11-19 | 国网山东省电力公司莱阳市供电公司 | Telescope for mountain area line planning |
| CN114035315A (en) * | 2021-11-29 | 2022-02-11 | 重庆禾洋光电仪器有限公司 | Iris diaphragm eyepiece system |
| CN117250814A (en) * | 2023-11-16 | 2023-12-19 | 深圳市猿人创新科技有限公司 | Motion camera with automatic cover pushing assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6033130A (en) * | 1997-10-27 | 2000-03-07 | Olympus Optical Co., Ltd. | Lens cover and a lens cover support assembly mounted external to a lens barrel |
| US6132110A (en) * | 1997-04-01 | 2000-10-17 | Olympus Optical Co., Ltd. | Pivotally mounted lens cover for a moveable lens barrel capable of being separated from the lens barrel upon the occurrence of an external force to protect the coupling mechanism from breakage |
| US20080094708A1 (en) * | 2006-10-20 | 2008-04-24 | Tzu-Tse Huang | Lens cap set and a lens device utilizing the same |
| CN207301481U (en) * | 2017-10-20 | 2018-05-01 | 长春继珩精密光学技术有限公司 | Automatically opening up and pack up lens cap device for photo-electric telescope |
-
2017
- 2017-10-20 CN CN201710997011.5A patent/CN107608068A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6132110A (en) * | 1997-04-01 | 2000-10-17 | Olympus Optical Co., Ltd. | Pivotally mounted lens cover for a moveable lens barrel capable of being separated from the lens barrel upon the occurrence of an external force to protect the coupling mechanism from breakage |
| US6033130A (en) * | 1997-10-27 | 2000-03-07 | Olympus Optical Co., Ltd. | Lens cover and a lens cover support assembly mounted external to a lens barrel |
| US20080094708A1 (en) * | 2006-10-20 | 2008-04-24 | Tzu-Tse Huang | Lens cap set and a lens device utilizing the same |
| CN207301481U (en) * | 2017-10-20 | 2018-05-01 | 长春继珩精密光学技术有限公司 | Automatically opening up and pack up lens cap device for photo-electric telescope |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171717A (en) * | 2019-07-04 | 2021-01-05 | 陕西丝路机器人智能制造研究院有限公司 | Industrial robot production is supplementary to sweep a yard module with intelligence |
| CN111505788A (en) * | 2020-04-17 | 2020-08-07 | 中国电子科技集团公司第五十三研究所 | Automatic lens cover |
| CN112664775A (en) * | 2020-12-21 | 2021-04-16 | 陈文锋 | Horizontal marking device for interior decoration |
| CN113671685A (en) * | 2021-07-20 | 2021-11-19 | 国网山东省电力公司莱阳市供电公司 | Telescope for mountain area line planning |
| CN113671685B (en) * | 2021-07-20 | 2024-03-12 | 国网山东省电力公司莱阳市供电公司 | Telescope for mountain area route planning |
| CN114035315A (en) * | 2021-11-29 | 2022-02-11 | 重庆禾洋光电仪器有限公司 | Iris diaphragm eyepiece system |
| CN114035315B (en) * | 2021-11-29 | 2024-03-12 | 重庆禾洋光电仪器有限公司 | Iris diaphragm eyepiece system |
| CN117250814A (en) * | 2023-11-16 | 2023-12-19 | 深圳市猿人创新科技有限公司 | Motion camera with automatic cover pushing assembly |
| CN117250814B (en) * | 2023-11-16 | 2024-02-13 | 深圳市猿人创新科技有限公司 | Motion camera with automatic cover pushing assembly |
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