CN108802950A - A kind of focusing locking mechanism on precision optical instrument - Google Patents
A kind of focusing locking mechanism on precision optical instrument Download PDFInfo
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- CN108802950A CN108802950A CN201810424295.3A CN201810424295A CN108802950A CN 108802950 A CN108802950 A CN 108802950A CN 201810424295 A CN201810424295 A CN 201810424295A CN 108802950 A CN108802950 A CN 108802950A
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- fixed ring
- check lock
- lock lever
- ring
- wall
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
- Telescopes (AREA)
Abstract
The invention discloses the focusing locking mechanism on a kind of precision optical instrument, including optical tubes, optical tubes upper sleeve has interior fixed ring and outer fixed ring, and several studs are bolted on the outer wall of interior fixed ring, and the outer end of stud, which is spirally connected, to be fixed in outer fixed ring；Several check lock levers are plugged in interior fixed ring, check lock lever annular is uniformly distributed in interior fixed ring, the inner end of check lock lever is fixed with arc-shaped latch segment, the outer end of check lock lever forms recess connector across interior fixed ring, ball is equipped in recess connector, grooving is formed on the interior fixed ring outer wall of check lock lever surrounding, the axle sleeve opposite with check lock lever is formed on the bottom surface of grooving, the check lock lever upper sleeve has tension spring, one end of tension spring, which is spirally connected, to be fixed on axle sleeve, the other end of tension spring, which is spirally connected, to be fixed on fixing sleeve, and fixing sleeve sleeve is fixed on check lock lever.The phenomenon that walking the invention can avoid the fine motion occurred when such as unilateral clamping screw locking.
Description
Technical field：
The present invention relates to the technical fields of optical instrument, more specifically to the focusing lock on a kind of precision optical instrument
Locking structure.
Background technology：
In the imaging process of optical system, the relative distance of target object and optical system is always varied from, to make
Target object can on the image device of focal plane blur-free imaging, must chin to focus to optical system, that is, be adjusted to
As device is at a distance from optical system, image device is made to be located on focal plane.It is necessarily locked with locking device after focusing, otherwise
The factors such as vibration be easy to cause shaking or dislocation, and the relative position of image device and focal plane is made to change, and lead to imaging not
Clearly.A few days ago, the locking device of optical instrument is to squeeze to hold out against by locking member from side by lock-screw mostly, is often made in this way
At by the offset of locking member axis, and then offset, image device and the focal plane of focal position is caused to generate angle or opposite position
It moves, causes to be imaged the problems such as partly or wholly unintelligible target object deviates the center of image.
Invention content：
The purpose of the present invention and provides the focusing lock on a kind of precision optical instrument aiming at the deficiency of the prior art
Locking structure can realize that locking member uniformly realizes the locking to optical tubes, be avoided that as occurred when unilateral clamping screw is locked
Fine motion the phenomenon that walking.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of focusing locking mechanism on precision optical instrument, including optical tubes, optical tubes upper sleeve have interior fixation
Ring, interior fixed ring upper sleeve have outer fixed ring, and several studs are bolted on the outer wall of interior fixed ring, and the outer end of stud is spirally connected admittedly
It is scheduled in outer fixed ring；Several check lock levers are plugged in the interior fixed ring, check lock lever annular is uniformly distributed in interior fixed ring
On, the inner end of check lock lever is fixed with arc-shaped latch segment, rubber pad is fixed on the inner wall of latch segment, rubber pad is resisted against light
On the outer wall for learning lens barrel, the outer end of check lock lever forms recess connector across interior fixed ring, and rolling is equipped in recess connector
Pearl forms grooving on the interior fixed ring outer wall of the check lock lever surrounding, is formed on the bottom surface of grooving opposite with check lock lever
Axle sleeve, the check lock lever upper sleeve have tension spring, and one end of tension spring, which is spirally connected, to be fixed on axle sleeve, and the other end of tension spring is spirally connected fixation
On fixing sleeve, fixing sleeve sleeve is fixed on check lock lever；
Retaining ring is inserted between the outer fixed ring and interior fixed ring, the outer wall of retaining ring is resisted against outer fixed ring
On inner wall, the locked groove opposite with check lock lever is formed on the inner wall of retaining ring, locked groove is by deep card slot, shallow card slot and the deep card of connection
Arc-shaped transition slot between slot, shallow card slot forms, and the ball on check lock lever is resisted against on the bottom surface of check lock lever locked groove, and described is outer
Arc-shaped guide groove is formed in fixed ring, clamping screw is plugged in guide groove, and clamping screw is screwed onto in retaining ring.
Preferably, the center of circle of the optical tubes, interior fixed ring, outer fixed ring and retaining ring is respectively positioned on same straight line.
Preferably, at least provided with three, the stud is distributed between check lock lever the check lock lever, and stud is around outer solid
The center for determining ring is uniformly distributed in a ring.
Preferably, the arc escape groove opposite with stud is formed in the retaining ring, stud is plugged on retaining ring
In arc escape groove.
Preferably, the arc escape groove circular arc radian in the retaining ring is equal to the circular arc arc of guide groove in outer fixed ring
Degree.
Preferably, the arc radius of the latch segment inner wall is equal to the radius of optical tubes outer wall.
The beneficial effects of the present invention are：It can realize that locking member uniformly realizes locking to optical tubes, be avoided that as
The phenomenon that fine motion occurred when unilateral clamping screw locking walks.
Description of the drawings：
Fig. 1 is the structural diagram of the present invention.
In figure：1, optical tubes；2, interior fixed ring；21, grooving；22, axle sleeve；3, outer fixed ring；31, guide groove；4, spiral shell
Column；5, check lock lever；51, recess connector；6, ball；7, retaining ring；71, locked groove；711, deep card slot；712, shallow card slot；713,
Arc-shaped transition slot；72, arc escape groove；8, tension spring；9, fixing sleeve；10, clamping screw；11, latch segment；12, rubber pad.
Specific implementation mode：
Embodiment：As shown in Figure 1, the focusing locking mechanism on a kind of precision optical instrument, including optical tubes 1, optics
1 upper sleeve of lens barrel has interior fixed ring 2,2 upper sleeve of interior fixed ring to have outer fixed ring 3, be bolted on the outer wall of interior fixed ring 2 several
Root stud 4, the outer end of stud 4, which is spirally connected, to be fixed in outer fixed ring 3；Several check lock levers 5 are plugged in the interior fixed ring 2,
5 annular of check lock lever is uniformly distributed in interior fixed ring 2, and the inner end of check lock lever 5 is fixed with arc-shaped latch segment 11, latch segment 11
Inner wall on be fixed with rubber pad 12, rubber pad 12 is resisted against on the outer wall of optical tubes 1, and the outer end of check lock lever 5 passes through interior solid
Determine ring 2 and form recess connector 51, ball 6, the interior fixed ring 2 of 5 surrounding of the check lock lever are equipped in recess connector 51
Grooving 21 is formed on outer wall, forms the axle sleeve 22 opposite with check lock lever 5 on the bottom surface of grooving 21, on the check lock lever 5
It is inserted with tension spring 8, one end of tension spring 8, which is spirally connected, to be fixed on axle sleeve 22, and the other end of tension spring 8, which is spirally connected, to be fixed on fixing sleeve 9, Gu
Surely 9 sleeves are covered to be fixed on check lock lever 5；
Retaining ring 7 is inserted between the outer fixed ring 3 and interior fixed ring 2, the outer wall of retaining ring 7 is resisted against outer fixation
On the inner wall of ring 3, the locked groove 71 opposite with check lock lever 5 is formed on the inner wall of retaining ring 7, locked groove 71 is by deep card slot 711, shallow card
Arc-shaped transition slot 713 between slot 712 and the deep card slot 711 of connection, shallow card slot 712 forms, and the ball 6 on check lock lever 5 is resisted against
On the bottom surface of 5 locked groove 71 of check lock lever, arc-shaped guide groove 31 is formed in the outer fixed ring 3, grafting in guide groove 31
There are clamping screw 10, clamping screw 10 to be screwed onto in retaining ring 7.
Preferably, the center of circle of the optical tubes 1, interior fixed ring 2, outer fixed ring 3 and retaining ring 7 is respectively positioned on same straight line
On.
Preferably, at least provided with three, the stud 4 is distributed between check lock lever 5 check lock lever 5, stud 4 around
The center of outer fixed ring 3 is uniformly distributed in a ring.
Preferably, the arc escape groove 72 opposite with stud 4 is formed in the retaining ring 7, stud 4 is plugged on locking
In the arc escape groove 72 of ring 7.
Preferably, the 72 circular arc radian of arc escape groove in the retaining ring 7 is equal to the circle of guide groove 31 in outer fixed ring 3
Arc radian.
Preferably, the arc radius of 11 inner wall of the latch segment is equal to the radius of 1 outer wall of optical tubes.
Operation principle：The present invention is the focusing locking mechanism on precision optical instrument, by unclamping clamping screw 10, is led to
It crosses and stirs clamping screw 10, realize that retaining ring 71 rotates, as shown in fig. 1, the rolling in the rotation of retaining ring 71, check lock lever 5
Pearl 6 is then moved to from deep card slot 711 in shallow card slot 712, then the latch segment 11 on check lock lever 5 is driven to lock optical tubes 11.
The embodiment is to be illustrated the present invention, and is not intended to limit the present invention.Any those skilled in the art
It can modify without violating the spirit and scope of the present invention to the embodiment, therefore the rights protection model of the present invention
It encloses, it should be as listed by the claim of the present invention.
Claims (6)
1. the focusing locking mechanism on a kind of precision optical instrument, including optical tubes (1), it is characterised in that：Optical tubes (1)
Upper sleeve has interior fixed ring (2), interior fixed ring (2) upper sleeve to have outer fixed ring (3), be bolted on the outer wall of interior fixed ring (2)
Several studs (4), the outer end of stud (4), which is spirally connected, to be fixed in outer fixed ring (3)；It is plugged in the interior fixed ring (2)
Several check lock levers (5), check lock lever (5) annular are uniformly distributed in interior fixed ring (2), and the inner end of check lock lever (5) is fixed with circular arc
The latch segment (11) of shape is fixed with rubber pad (12) on the inner wall of latch segment (11), and rubber pad (12) is resisted against optical tubes (1)
Outer wall on, the outer end of check lock lever (5) forms recess connector (51) across interior fixed ring (2), in recess connector (51)
Equipped with ball (6), grooving (21), the bottom of grooving (21) are formed on interior fixed ring (2) outer wall of check lock lever (5) surrounding
Formed on face has tension spring (8) with the opposite axle sleeve (22) of check lock lever (5), the check lock lever (5) upper sleeve, tension spring (8)
One end, which is spirally connected, to be fixed on axle sleeve (22), and the other end of tension spring (8), which is spirally connected, to be fixed on fixing sleeve (9), and fixing sleeve (9) sleeve is solid
It is scheduled on check lock lever (5)；
Retaining ring (7) is inserted between the outer fixed ring (3) and interior fixed ring (2), the outer wall of retaining ring (7) is resisted against outside
On the inner wall of fixed ring (3), formed on the inner wall of retaining ring (7) with the opposite locked groove (71) of check lock lever (5), locked groove (71) by
Arc-shaped transition slot (713) group between deep card slot (711), shallow card slot (712) and the deep card slot (711) of connection, shallow card slot (712)
At, the ball (6) on check lock lever (5) is resisted against on the bottom surface of check lock lever (5) locked groove (71), in the outer fixed ring (3) at
Type has arc-shaped guide groove (31), is plugged with clamping screw (10) in guide groove (31), clamping screw (10) is screwed onto locking
On ring (7).
2. the focusing locking mechanism on a kind of precision optical instrument according to claim 1, it is characterised in that：The optics
Lens barrel (1), interior fixed ring (2), outer fixed ring (3) and retaining ring (7) the center of circle be respectively positioned on same straight line.
3. the focusing locking mechanism on a kind of precision optical instrument according to claim 1, it is characterised in that：The lock
Tight bar (5) is at least provided with three, and the stud (4) is distributed between check lock lever (5), and stud (4) is in outer fixed ring (3)
The heart is uniformly distributed in a ring.
4. the focusing locking mechanism on a kind of precision optical instrument according to claim 1, it is characterised in that：The lock
It is formed on tight ring (7) and is plugged on the arc evacuation of retaining ring (7) with the opposite arc escape groove (72) of stud (4), stud (4)
In slot (72).
5. the focusing locking mechanism on a kind of precision optical instrument according to claim 4, it is characterised in that：The locking
Arc escape groove (72) circular arc radian on ring (7) is equal to the circular arc radian of guide groove (31) in outer fixed ring (3).
6. the focusing locking mechanism on a kind of precision optical instrument according to claim 1, it is characterised in that：The locking
The arc radius of block (11) inner wall is equal to the radius of optical tubes (1) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424295.3A CN108802950B (en) | 2018-05-07 | 2018-05-07 | Focusing locking structure on precision optical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424295.3A CN108802950B (en) | 2018-05-07 | 2018-05-07 | Focusing locking structure on precision optical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108802950A true CN108802950A (en) | 2018-11-13 |
| CN108802950B CN108802950B (en) | 2021-06-29 |
Family
ID=64091009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424295.3A Active CN108802950B (en) | 2018-05-07 | 2018-05-07 | Focusing locking structure on precision optical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108802950B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082887A (en) * | 2019-05-08 | 2019-08-02 | 中国工程物理研究院激光聚变研究中心 | A kind of precise clamping device and pre-tension method of large-caliber laser transmission reflecting mirror |
| CN113085034A (en) * | 2021-04-12 | 2021-07-09 | 浙江乔老爷铝业有限公司 | Clamping device for preparing superfine crystal pipe and clamping method thereof |
| CN114935807A (en) * | 2022-06-01 | 2022-08-23 | 西安应用光学研究所 | Optical focusing locking mechanism capable of resisting load impact |
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| US20100214672A1 (en) * | 2004-01-30 | 2010-08-26 | Panasonic Corporation | Lens barrel and imaging device provided with lens barrel, and assembly method of lens barrel |
| CN103091814A (en) * | 2013-01-30 | 2013-05-08 | 深圳市金凯进光电仪器有限公司 | Improved sighting telescope side focusing structure |
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| CN203465507U (en) * | 2013-09-10 | 2014-03-05 | 杭州荣耀科技有限公司 | Lens rotatablely-fixing device |
| CN105402216A (en) * | 2015-12-29 | 2016-03-16 | 中科院南京天文仪器有限公司 | Locking device for precise optical instrument |
| CN205691855U (en) * | 2016-06-13 | 2016-11-16 | 重庆梦赛力士光电股份有限公司 | A kind of telescope focal length fine tuning structure |
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|---|---|---|---|---|
| JPS62184422A (en) * | 1986-02-10 | 1987-08-12 | Matsushita Electric Ind Co Ltd | Zoom lens barrel |
| US20100214672A1 (en) * | 2004-01-30 | 2010-08-26 | Panasonic Corporation | Lens barrel and imaging device provided with lens barrel, and assembly method of lens barrel |
| CN101655595A (en) * | 2008-08-20 | 2010-02-24 | 武汉楚天激光（集团）股份有限公司 | Light split apparatus |
| CN201309094Y (en) * | 2008-10-30 | 2009-09-16 | 天津市隆海力精密仪器技术开发有限公司 | Focusing barrel processing clamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082887A (en) * | 2019-05-08 | 2019-08-02 | 中国工程物理研究院激光聚变研究中心 | A kind of precise clamping device and pre-tension method of large-caliber laser transmission reflecting mirror |
| CN113085034A (en) * | 2021-04-12 | 2021-07-09 | 浙江乔老爷铝业有限公司 | Clamping device for preparing superfine crystal pipe and clamping method thereof |
| CN114935807A (en) * | 2022-06-01 | 2022-08-23 | 西安应用光学研究所 | Optical focusing locking mechanism capable of resisting load impact |
| CN114935807B (en) * | 2022-06-01 | 2023-11-24 | 西安应用光学研究所 | Optical focusing locking mechanism capable of resisting load impact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108802950B (en) | 2021-06-29 |
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Effective date of registration: 20191028 Address after: 523000 room 06, Room 203, building 1, No. 5, Songshan Lake section, Songshan Lake Avenue, Songshan Lake Park, Dongguan City, Guangdong Province Applicant after: Dongguan Jinyue Information Technology Co., Ltd. Address before: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Zone Building 406 industrial development productivity Applicant before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
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Effective date of registration: 20210531 Address after: No.26, Kaiyuan Road, Datang Industrial Park, Sanshui District, Foshan City, Guangdong Province 528100 Applicant after: Foshan Sanshui Lida precision metal products Co.,Ltd. Address before: Room 203, building 1, No. 5, Songshanhu section, Songshanhu Avenue, Songshanhu Park, Dongguan City, Guangdong Province Applicant before: Dongguan Jinyue Information Technology Co.,Ltd. |
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