CN106772913B - A kind of fixation device and method of cube prism - Google Patents
A kind of fixation device and method of cube prism Download PDFInfo
- Publication number
- CN106772913B CN106772913B CN201611125034.9A CN201611125034A CN106772913B CN 106772913 B CN106772913 B CN 106772913B CN 201611125034 A CN201611125034 A CN 201611125034A CN 106772913 B CN106772913 B CN 106772913B
- Authority
- CN
- China
- Prior art keywords
- prism
- lens barrel
- fixed
- fixinig plate
- hole
- 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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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
Abstract
A kind of fixation device and method of cube prism belongs to optical system art field, it is therefore intended that solves seat fixed form in the prior art there are rectangle outer profile difficulty of processing lens barrel outer profile mismatch big, at high cost and round and be inconvenient to fix the problems in lens barrel again.A kind of fixation device of cube prism of the invention includes the identical circular prism fixinig plate of two structures；The centre of one end face of prism fixinig plate is provided with rectangular channel, and the bottom surface of the rectangular channel is provided with rectangle light hole, and the light hole, rectangular channel and prism fixinig plate are coaxial；The side wall of the rectangular channel of two prism fixinig plates two face clearance fits opposite with Amici prism to be fixed respectively.Cube Amici prism becomes it one " ordinary lens " by mechanical structure by the present invention, i.e., outer profile is circular lens, reaches accurate positionin, while easy to disassemble, the structure of entire lens barrel is made to become compact and beautiful.
Description
Technical field
The invention belongs to technical field of optical, and in particular to a kind of fixation device and method of cube prism.
Background technique
The effect of cube Amici prism is that light beam is divided into two-beam, is widely applied in optical-mechanical system.By
Lens outer profile in optical-mechanical system is all often round, and the outer profile of cube Amici prism is rectangle, is in this way whole
The design of a optical-mechanical system brings many inconveniences.
The fixed form of cube Amici prism mainly has stickup and the fixed two ways of microscope base at present.Paste fixed form
The shortcomings that be detrimental to the disassembly of eyeglass, stickup can not reach high-precision positioning requirements, at the same glue paste it is uneven
Also imaging can be impacted, the excessive of glue can also pollute eyeglass and camera lens.The fixed form of microscope base is by vertical
Mirror body is fixed in cube microscope base, then cube microscope base and mirror body are integrally put into lens barrel, although this kind of fixing means can
It is accurately positioned with realizing, but due to the limitation of microscope base outer profile, Yao Duli member, then be connected with cylindrical lens, not only
Cause shape unsightly, while the limitation being machined brings more difficulty of processing and processing cost, it is not square in lens barrel
Just it fixes.
Summary of the invention
It is an object of the invention to propose a kind of fixation device and method of cube prism, microscope base in the prior art is solved
There are rectangle outer profile difficulty of processing that lens barrel outer profile big, at high cost and round mismatches and is inconvenient to fix for fixed form
The problems in lens barrel again.
To achieve the above object, a kind of fixation device of cube prism of the invention includes the identical circle of two structures
Prism fixinig plate；
The centre of one end face of prism fixinig plate is provided with rectangular channel, and the bottom surface of the rectangular channel is provided with rectangle light hole,
The light hole, rectangular channel and prism fixinig plate are coaxial；The side wall of the rectangular channel of two prism fixinig plates respectively with it is to be fixed
Two opposite face clearance fits of Amici prism.
Through-hole is provided at least one in two prism fixinig plates.
The quantity of the through-hole is at least one.
The light passing pore size that the size of the light hole is greater than Amici prism to be fixed is less than Amici prism to be fixed
Outer dimension.
A kind of fixing means of cube prism the following steps are included:
Step 1: drilling out threaded hole on the inner wall of lens barrel, and the through-hole on the threaded hole and the prism fixinig plate exists
On same circumference；
Step 2: the prism fixinig plate with through-hole is axially put into lens barrel, and the threaded hole on through-hole and lens barrel is opposite,
Screw passes through the threaded hole cooperation on through-hole and lens barrel on prism fixinig plate, by prism fixinig plate axial restraint；
Step 3: Amici prism to be fixed is pushed into lens barrel, between the rectangular channel for the prism fixinig plate fixed
Gap cooperation；
Step 4: another prism fixinig plate is put into lens barrel, passes through rectangular channel and Amici prism gap to be fixed
Cooperation；
Step 5: the entirety of two prism fixinig plates and Amici prism composition to be fixed is pressed on by lens barrel by pressing ring
It is interior.
The detailed process described in step 1 that threaded hole is drilled out on lens barrel inner wall are as follows: obtained by light path design to solid
The placement angle of fixed Amici prism obtains the position of Amici prism to be fixed in lens barrel by the placement angle and projects,
The position of threaded hole punching is exactly the symmetrical centre and side midpoint line of the Amici prism placement position projection to be fixed
On extended line.
The invention has the benefit that cube is divided by a kind of fixation device and method of cube prism of the invention
Prism becomes it one " ordinary lens " by mechanical structure, i.e., outer profile be circular lens, thus can cube
The fixation and installation of body Amici prism are fixed in lens barrel according to the fixed form of existing perfect round lens, reach accurate
Positioning, while easy to disassemble, makes the structure of entire lens barrel become compact and beautiful.Realize that cube Amici prism is accurately fixed
Position, and can easily dismantle.It avoids to need individually to process caused by the fixing means taken because of rectangle outer profile and fix
Structure, fixed difficulty, machining is difficult, and increased costs and other eyeglasses install fixed disunity, and shape unsightly waits true
It is fixed, it allows cube Amici prism to become a common eyeglass, the fixed form of typical circular eyeglass classics can be used in this way.
Detailed description of the invention
Fig. 1 is a kind of fixture structure schematic diagram of cube prism of the invention；
Fig. 2 is prism fixinig plate structural schematic diagram in a kind of fixation device of cube prism of the invention；
Fig. 3 is prism fixinig plate structure sectional view in a kind of fixation device of cube prism of the invention；
Fig. 4 is a kind of fixation device installation process schematic diagram of cube prism of the invention；
Fig. 5 is that a kind of fixation device of cube Amici prism of the invention applies the structural schematic diagram in lens barrel；
Wherein: 1, prism fixinig plate, 101, rectangular channel, 102, light hole, 103, through-hole, 2, Amici prism to be fixed,
3, lens barrel, 4, pressing ring.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
Referring to attached drawing 1- attached drawing 3, a kind of fixation device of cube prism of the invention includes the identical circle of two structures
The prism fixinig plate 1 of shape；
The centre of 1 one end face of prism fixinig plate is provided with rectangular channel 101, and the bottom surface of the rectangular channel 101 is provided with rectangle
Light hole 102, the light hole 102, rectangular channel 101 and prism fixinig plate 1 are coaxial；The rectangular channel 101 of two prism fixinig plates 1
Side wall two face clearance fits opposite with Amici prism 2 to be fixed respectively.
Through-hole 103 is provided at least one in two prism fixinig plates 1.Through-hole 103 is for Amici prism 2 to be fixed
The position of radial positioning in corresponding lens barrel 3, through-hole 103 is determined by the screw thread hole site in corresponding lens barrel 3, in lens barrel 3
Screw thread hole site determined by the placement angle of Amici prism 2 to be fixed in light path design.
The quantity of the through-hole 103 is at least one.
The light passing pore size that the size of the light hole 102 is greater than Amici prism 2 to be fixed is less than light splitting to be fixed
The outer dimension of prism 2.
The prism fixinig plate 1 matched with cube Amici prism exterior contour is a cylindrical steel part, and prism is fixed
Piece 1 mills out rectangle light hole 102 on one side, and the size of the light hole 102 is greater than the logical of cube Amici prism requirement
Light size, less than the outer profile size of cube Amici prism, the center of the light hole 102 and the center of circle weight of prism fixinig plate 1
It closes.The another side of prism fixinig plate 1 mills out rectangular channel 101 identical with cube Amici prism outer profile size, and the square
The center of shape slot 101 and 102 center of light hole at the back side are overlapped, and are cubes by the tighter clearance fit requirement of dimensional fits
Amici prism can be embedded into the rectangular channel 101 but cannot move freely.In order to allow entire cube Amici prism embedded groove
It is interior, mill through the rectangle square edge of rectangular channel 101.It is different with circular eyeglass, since radial position of the prism in lens barrel 3 cannot
It arbitrarily changes, so the radial position of cube Amici prism must be fixed, so in one end holes drilled through of prism fixinig plate 1
103, it is fixed for radial position of the prism fixinig plate 1 in lens barrel 3.In order to guarantee going on smoothly and cooperating for process
Two side millings of precision, rectangular channel 101 cut the outer rim for being machined to prism fixinig plate 1.
Referring to attached drawing 4, a kind of fixing means of cube prism the following steps are included:
Step 1: threaded hole, the through-hole on the threaded hole and the prism fixinig plate 1 are drilled out on the inner wall of lens barrel 3
103 on the same circumference；
Step 2: the prism fixinig plate 1 with through-hole 103 is axially put into lens barrel 3, the spiral shell on through-hole 103 and lens barrel 3
Pit is opposite, and screw passes through the threaded hole cooperation on through-hole 103 and lens barrel 3 on prism fixinig plate 1, by 1 axis of prism fixinig plate
To fixation；
Step 3: Amici prism 2 to be fixed is pushed into lens barrel 3, and the rectangle for the prism fixinig plate 1 fixed
101 clearance fit of slot；
Step 4: another prism fixinig plate 1 is put into lens barrel 3, rectangular channel 101 and Amici prism to be fixed are passed through
2 clearance fits；
Step 5: the entirety that two prism fixinig plates 1 and Amici prism 2 to be fixed form is pressed on by pressing ring 4
In lens barrel 3.
The detailed process described in step 1 that threaded hole is drilled out on 3 inner wall of lens barrel are as follows: by light path design obtain to
The placement angle of fixed Amici prism 2 obtains the position of Amici prism 2 to be fixed in lens barrel 3 by the placement angle
Projection, the position of threaded hole punching are exactly in the symmetrical centre and a side of 2 placement position of the Amici prism projection to be fixed
On point line extended line.
It is the mechanical mechanism design drawing of the physical identification camera body tube 3 of a identification security code referring to attached drawing 5.The mirror
There is a piece of cube Amici prism that light beam is divided into vertical two parts in the optical design of cylinder 3.The mechanical structure of the lens barrel 3 is set
The fixed form of cube Amici prism just uses fixing means proposed by the present invention in meter.When assembly, before lens barrel 3 first is installed
Then first prism fixinig plate 1 is installed in lens barrel 3 by several lens, keep a prism solid by radial screw positioning
1 radial position of stator is fixed.Then cube Amici prism is fixed in the rectangular channel 101 of prism fixinig plate 1 matched,
It is installed to the rectangular channel 101 of second prism fixinig plate 1 is inward-facing in lens barrel 3 again, compresses cube light splitting rib to cooperate
Mirror.The whole compression for finally being formed prism fixinig plate 1 and cube Amici prism with pressing ring 4, is axially fixed in lens barrel 3.
After fixing means proposed by the present invention, entire 3 exterior contour of lens barrel is a cylindrical body, the unified beauty of shape
It sees.The difficult point for processing 101 this machining of rectangular channel in cylindrical lens barrel 3 is avoided, while also avoiding separate structure
Unsightly, improve processing efficiency reduces processing cost to the machine error and shape disunity of generation.
Claims (6)
1. a kind of fixation device of cube prism, which is characterized in that including the identical circular prism fixinig plate of two structures
(1)；
The centre of (1) one end face of prism fixinig plate is provided with rectangular channel (101), and the bottom surface of the rectangular channel (101) is provided with square
Shape light hole (102), the light hole (102), rectangular channel (101) and prism fixinig plate (1) are coaxial；Two prism fixinig plates
(1) side wall of rectangular channel (101) two face clearance fits opposite with Amici prism (2) to be fixed respectively.
2. a kind of fixation device of cube prism according to claim 1, which is characterized in that two prism fixinig plates
(1) through-hole (103) are provided at least one in.
3. a kind of fixation device of cube prism according to claim 2, which is characterized in that the through-hole (103)
Quantity is at least one.
4. a kind of fixation device of cube prism according to claim 1 or 2, which is characterized in that the light hole
(102) the light passing pore size that size is greater than Amici prism (2) to be fixed is less than the shape ruler of Amici prism (2) to be fixed
It is very little.
5. based on a kind of fixing means of the fixation device of cube prism described in claim 1, which is characterized in that including with
Lower step:
Step 1: threaded hole, the through-hole on the threaded hole and the prism fixinig plate (1) are drilled out on the inner wall of lens barrel (3)
(103) on the same circumference；
Step 2: the prism fixinig plate (1) with through-hole (103) is axially put into lens barrel (3), through-hole (103) and lens barrel (3)
On threaded hole it is opposite, screw pass through prism fixinig plate (1) on through-hole (103) and lens barrel (3) on threaded hole cooperate, by rib
Mirror fixinig plate (1) axial restraint；
Step 3: Amici prism (2) to be fixed is pushed into lens barrel (3), and the rectangle for the prism fixinig plate (1) fixed
Slot (101) clearance fit；
Step 4: another prism fixinig plate (1) is put into lens barrel (3), rectangular channel (101) and light splitting rib to be fixed are passed through
Mirror (2) clearance fit；
Step 5: the whole compression for being made up of two prism fixinig plates (1) and Amici prism to be fixed (2) pressing ring (4)
In lens barrel (3).
6. fixing means according to claim 5, which is characterized in that described in step 1 to be bored on lens barrel (3) inner wall
The detailed process of threaded hole out are as follows: the placement angle of Amici prism to be fixed (2) is obtained by light path design, is put by this
Angle obtains position projection of the Amici prism to be fixed (2) in lens barrel (3), and the position of threaded hole punching is exactly that this is to be fixed
Amici prism (2) placement position projection symmetrical centre and side midpoint line extended line on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125034.9A CN106772913B (en) | 2016-12-08 | 2016-12-08 | A kind of fixation device and method of cube prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611125034.9A CN106772913B (en) | 2016-12-08 | 2016-12-08 | A kind of fixation device and method of cube prism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106772913A CN106772913A (en) | 2017-05-31 |
| CN106772913B true CN106772913B (en) | 2019-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611125034.9A Expired - Fee Related CN106772913B (en) | 2016-12-08 | 2016-12-08 | A kind of fixation device and method of cube prism |
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| CN (1) | CN106772913B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688221A (en) * | 2017-09-30 | 2018-02-13 | 中山市弗图艾力克光电科技有限公司 | A kind of prism structure of full shot |
| CN109991713A (en) * | 2019-04-05 | 2019-07-09 | 马浩鑫 | Split type Three Degree Of Freedom microlens array bracket |
| CN110487147B (en) * | 2019-08-26 | 2021-10-01 | 株洲时代瑞唯减振装备有限公司 | Axle box spring mounting hole position degree quantitative detection method and detection tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432840A (en) * | 2002-01-18 | 2003-07-30 | 施泰纳光学有限公司 | Telescope |
| CN101261352A (en) * | 2007-12-28 | 2008-09-10 | 上海微电子装备有限公司 | Optical element immobilizing structure |
| CN204009189U (en) * | 2014-09-05 | 2014-12-10 | 桐庐优视医疗器械有限公司 | Rib object lens integrated seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6361177B2 (en) * | 1999-11-02 | 2002-03-26 | Fujitsu Denso Ltd. | Optical device fixing device |
-
2016
- 2016-12-08 CN CN201611125034.9A patent/CN106772913B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432840A (en) * | 2002-01-18 | 2003-07-30 | 施泰纳光学有限公司 | Telescope |
| CN101261352A (en) * | 2007-12-28 | 2008-09-10 | 上海微电子装备有限公司 | Optical element immobilizing structure |
| CN204009189U (en) * | 2014-09-05 | 2014-12-10 | 桐庐优视医疗器械有限公司 | Rib object lens integrated seat |
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| Publication number | Publication date |
|---|---|
| CN106772913A (en) | 2017-05-31 |
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Granted publication date: 20190416 Termination date: 20211208 |