CN109445059A - A kind of lens position adjustment mechanism for optical system - Google Patents
A kind of lens position adjustment mechanism for optical system Download PDFInfo
- Publication number
- CN109445059A CN109445059A CN201811474208.1A CN201811474208A CN109445059A CN 109445059 A CN109445059 A CN 109445059A CN 201811474208 A CN201811474208 A CN 201811474208A CN 109445059 A CN109445059 A CN 109445059A
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- CN
- China
- Prior art keywords
- lens
- sleeve
- fixing seat
- axicon
- plano
- 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.)
- Granted
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Classifications
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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
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
Abstract
The invention discloses a kind of lens position adjustment mechanisms for optical system.It includes object lens, plano lens fixing seat, axicon lens fixing seat, outer sleeve and axicon lens adjust sleeve, described outer sleeve one end is connect with object lens end axial limiting, outer sleeve inner wall is connect with plano lens fixing seat outer wall thread, the plano lens fixing seat other end adjusts sleeve one end with axicon lens and is fixedly connected, the axicon lens adjusts sleeve lining and connect with axicon lens fixing seat outer wall thread, the first flat key structure is equipped between the outer sleeve and plano lens fixing seat, the axicon lens, which is adjusted, is equipped with the second flat key structure between sleeve and axicon lens fixing seat, the object lens end is fixedly connected with first flat key structure one end, the axicon lens adjusts the sleeve other end and connect with the second flat key structure axial limiting.Structure of the invention is compact, need to only adjust outer sleeve and the relative position of internal optics lens can be realized in rotation of adjustment knob, adjust easy to operate, easy.
Description
Technical field
The invention belongs to laser machine the adjustment technology field of industry precision optical system, and in particular to one kind is used for optics
The lens position adjustment mechanism of system, it can be achieved that eyeglass and the eyeglass relative distance in closed environment any adjusting.
Background technique
Index path as shown in Figure 1 is light path design common in optical system, includes that a cone is saturating in the index path
Mirror, two plano lens and a set of object lens need to guarantee axicon lens and plano lens as a whole opposite object lens in practice
Distance it is adjustable, secondly, axicon lens and plano lens also need to reach between the two apart from adjustable purpose.In the index path
In, it is still sensitivity that the distance between object lens and plano lens, which adjust the influence to optically focused, and spot diameter is onlyIt is saturating compared to cone
The distance between mirror and plano lens adjust sensitivity requirement will be lower, as long as the center of circle of laser slightly deviation will lead to laser energy
The a large amount of losses of amount.
It is existing to realize the purpose of precisely processing cutting to reach preferable focusing purpose, by cage system structure (by
The structures such as guide rod, mirror holder are composed) realize the adjusting of distance between lens, but there are certain drawbacks for this method: the first,
Cage system belongs to Open architecture, extraneous dust optical system easy to damage, it is difficult to clean, be unfavorable for the dimension of optical system
Shield；The second, there is no benchmark when cage system is assembled, be even more that can not accomplish accurate, continuous adjusting lens and lens in debugging
Between, the relative position between lens and object lens.Existing cage system structure has been difficult to meet [dustless] and [precisely, continuous
Adjusting] require.
Summary of the invention
It is a kind of for optical system the object of the invention is to provide to solve deficiency existing for above-mentioned background technique
Lens position adjustment mechanism.
The technical solution adopted by the present invention is that: a kind of lens position adjustment mechanism for optical system, including it is object lens, solid
Axicon lens fixing seat, outer sleeve and the axicon lens of the plano lens fixing seat, fixed axicon lens that allocate lens adjust sleeve, the object
Mirror, plano lens and axicon lens are sequentially coaxially arranged；Described outer sleeve one end is connect with object lens end axial limiting, outer sleeve inner wall
It is connect with plano lens fixing seat outer wall thread, the first cavity is equipped between plano lens fixing seat one end and object lens, it is described flat
The lens fixing seat other end adjusts sleeve one end with axicon lens and is fixedly connected, and the axicon lens adjusts sleeve lining and axicon lens is solid
The connection of reservation outer wall thread, is equipped with the second cavity between the axicon lens fixing seat and plano lens fixing seat；The outer sleeve with
The first flat key structure of limitation plano lens rotation is equipped between plano lens fixing seat, the axicon lens adjusts sleeve and axicon lens is solid
The second flat key structure of limitation axicon lens rotation is equipped between reservation, the object lens end and first flat key structure one end, which are fixed, to be connected
It connects, the axicon lens adjusts the sleeve other end and connect with the second flat key structure axial limiting.
Further, locking lantern ring, the object lens end and locking lantern ring one end are equipped between the object lens and outer sleeve
It is fixedly connected, the locking lantern ring other end is fixedly connected with the first flat key structure, locking lantern ring other end and outer sleeve one
Axial limiting connection is held, along outer sleeve rotation reference line is axially arranged with, the outer sleeve end face is equipped with the locking collar face
Rotating scale line.
Further, the objective lens surface is cased with front cover, and the front cover end is fixedly connected with locking collar face.
Further, described outer sleeve the other end axially extend to be placed on axicon lens adjust sleeve surface, outer sleeve
Upper and axicon lens adjusts sleeve corresponding position and is provided with adjustment hole, and the outer sleeve other end is additionally provided with to be consolidated for what is connect with optical device
Determine sleeve.
Further, the fixes sleeve includes outer connector sleeve, interior connector sleeve and rear cover, the outer sleeve other end and outer
Connector sleeve one end is fixedly connected, and the interior connector sleeve is fixed on inside rear cover, the outer surface of interior connector sleeve and the inner surface of rear cover
Between be equipped with third axial limiting groove, the outer connector sleeve other end is located at third axial limiting inside grooves.
Further, it includes rotation of adjustment knob and connection sleeve that the axicon lens, which adjusts sleeve, the connection sleeve and
Plano lens fixing seat end is fixedly connected, and the connection sleeve outer surface is circumferentially equipped with a circle V-groove, and the rotation adjusts rotation
Button end is located in V-groove by the first ripple pearl screw with sleeve outer surface connection, the ball of the first ripple pearl screw is connect, and is rotated
Adjusting knob end face is fitted and connected the confined planes of sleeve.
Further, the axicon lens adjusts sleeve surface and is equipped with reference graduation line, and the outer sleeve surface is equipped with adjustment
Reference line.
Further, gland nut is equipped between the outer sleeve and plano lens fixing seat, first flat key structure is another
One end face paste closes gland nut end face, is equipped with the second ripple pearl screw in the gland nut, the second ripple pearl screw both ends are supported respectively
Firmly outer sleeve inner wall and plano lens fixing seat outer surface.
Further, first flat key structure includes the first flat key of built-in clamp sleeve and strip, the built-in pressure
Tight sleeve outer surface is bonded outer sleeve inner wall, and built-in clamp sleeve inner wall is bonded plano lens fixing seat outer surface, built-in clamping sleeve
Cylinder end is fixedly connected with object lens end, and circumferential first axis limit is equipped between built-in clamp sleeve end face and object lens end face
Groove, the outer sleeve end are located in first axis limiting groove, and the built-in clamp sleeve inner wall is equipped with the first of strip
The second limiting slot of limiting slot, the plano lens fixing seat outer wall and the first limiting slot corresponding position equipped with strip, described first
Flat key is located at the cavity inside that the first limiting slot and the second limiting slot are formed.
Further, second flat key structure includes that axicon lens clamp sleeve, knob lock press circle and the second flat key, institute
It states knob lock and presses circle outer surface fitting axicon lens adjusting sleeve lining, knob lock presses circle inner surface fitting axicon lens fixing seat
Outer surface, knob lock press circle end and are fixedly connected with axicon lens clamp sleeve end, and the knob lock presses circle end face and cone
The second circumferential axial limiting groove is equipped between lens clamp sleeve end face, the axicon lens adjusts sleeve ends and is located at second
In axial limiting groove, the knob lock presses the third limiting slot that circle inner wall is equipped with strip, the axicon lens fixing seat outer wall
The 4th limiting slot of strip is equipped with third limiting slot corresponding position, second flat key is located at third limiting slot and the 4th limit
The cavity inside that slot is formed.
Further, the plano lens is fixed on inside plano lens fixing seat by the first snap ring, and plano lens includes first
The saturating face of planar lens and the second planar lens, first planar lens and the second planar lens is positioned opposite, the first plane
It is separated between lens and the second planar lens by the first washer, the plane of first planar lens is bonded plano lens fixing seat
Axial limiting face, the plane of second planar lens is bonded the first snap ring.
Further, the axicon lens is fixed on inside axicon lens fixing seat by the second snap ring, the axicon lens
Plane is bonded the confined planes of axicon lens fixing seat, and second packing ring is equipped between the conical surface of axicon lens and the second snap ring.
The beneficial effects of the present invention are:
1, optical device is in a kind of full closeding state, between the lens for needing to adjust apart from when, it is only necessary to outside into
Row is adjusted, and when adjusting, does not interfere with the clean level of interior optics.
2, compact-sized, adjusting is easy to operate, easy, only need to adjust outer sleeve and inside can be realized in rotation of adjustment knob
The relative position of optical lens, to control laser energy size.
3, lens relative position can be achieved precisely, continuously to adjust, degree of regulation can reach ± 0.025mm.
4, graduation mark is set on outer sleeve, rotation of adjustment knob, adjustment process is made to have benchmark reference, convenient for accurately sentencing
The disconnected position adjusted and distance.
5, the function that the 2 fragment positions distance of multiple lens is adjusted is realized, lens are only moved forward and backward without rotation when adjusting
Turn, ensure that the stability of lens light gathering function.
Detailed description of the invention
Fig. 1 is the light path principle figure of optical system eyeglass.
Fig. 2 is perspective view of the invention.
Fig. 3 is main view of the invention.
Fig. 4 is sectional view of the invention.
Fig. 5 is the sectional view that axicon lens of the present invention adjusts part.
In figure: 1- object lens；2- locks lantern ring；2.1- rotation reference line；3- outer sleeve；3.1- rotating scale line；3.2- adjusting
Integral basis directrix；3.3- adjustment hole；4- plano lens fixing seat；5- axicon lens adjusts sleeve；5.1- reference graduation line；6- axicon lens is solid
Reservation；7- plano lens；The first planar lens of 7.1-；7.2 second planar lens；8- axicon lens；The first flat key structure of 9-；10-
Two flat key structures；11- rotation of adjustment knob；12- connection sleeve；13-V type groove；The first ripple pearl screw of 14-；15- gland nut；
The second ripple pearl screw of 16-；17- front cover；Clamp sleeve built in 18-；The first flat key of 19-；20- first axis limiting groove；21-
One limiting slot；The second limiting slot of 22-；23- axicon lens clamp sleeve；24- knob lock presses circle；The second flat key of 25-；26- second
Axial limiting groove；27- third limiting slot；The 4th limiting slot of 28-；The first snap ring of 29-；The first washer of 30-；The second snap ring of 32-；
33- second packing ring；34- fixes sleeve；The outer connector sleeve of 35-；Connector sleeve in 36-；37- rear cover；38- third axial limiting groove；
The first cavity of 39-；The second cavity of 40-.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
As shown in Figure 2-5, the present invention includes object lens 1, the plano lens fixing seat 4 of fixed plano lens 7, fixed axicon lens 8
Axicon lens fixing seat 6, outer sleeve 3 and axicon lens adjust sleeve 5, the object lens 1, plano lens 7 and the sequentially coaxially cloth of axicon lens 8
It sets；Described 3 one end of outer sleeve is connect with 1 end axial limiting of object lens, 3 inner wall of outer sleeve and 4 outer wall thread of plano lens fixing seat
Connection, between described 4 one end of plano lens fixing seat and object lens 1 be equipped with the first cavity 39,4 other end of plano lens fixing seat with
Axicon lens adjusts 5 one end of sleeve and is fixedly connected, and the axicon lens adjusts 5 inner wall of sleeve and 6 outer wall thread of axicon lens fixing seat connects
It connects, the second cavity 40 is equipped between the axicon lens fixing seat 6 and plano lens fixing seat 4；The outer sleeve 3 is fixed with plano lens
The first flat key structure 9 that limitation plano lens 7 rotates is equipped between seat 4, the axicon lens adjusts sleeve 5 and axicon lens fixing seat 6
Between be equipped with limitation axicon lens 8 rotate the second flat key structure 10,1 end of object lens is fixed with 9 one end of the first flat key structure
Connection, the axicon lens adjust 5 other end of sleeve and connect with 10 axial limiting of the second flat key structure.
Locking lantern ring 2,1 end of object lens and locking lantern ring 2 one are equipped in above scheme, between object lens 1 and outer sleeve 3
End is fixedly connected, and 2 other end of locking lantern ring is fixedly connected with the first flat key structure 9, locks 2 other end of lantern ring and housing
Cylinder 3 one end axial limitings connection, 2 surface of the locking lantern ring edge are axially arranged with rotation reference line 2.1,3 end face of outer sleeve
3.5 are circumferentially uniformly provided with rotating scale line 3.1.1 surface of object lens is cased with front cover 17,17 end of front cover and locking lantern ring 2
Surface is fixedly connected.
In above scheme, 3 the other end of outer sleeve axially extend to be placed on axicon lens adjust 5 surface of sleeve, outer sleeve 3
Upper and axicon lens adjusts 5 corresponding position of sleeve and is provided with adjustment hole 3.3, and 3 other end of outer sleeve is additionally provided with for connecting with optical device
The fixes sleeve 34 connect.Fixes sleeve 34 includes outer connector sleeve 35, interior connector sleeve 36 and rear cover 37,3 other end of outer sleeve
Be fixedly connected with outer 35 one end of connector sleeve, the interior connector sleeve 36 is fixed on inside rear cover 37, the outer surface of interior connector sleeve 36 with
Third axial limiting groove 38 is equipped between the inner surface of rear cover 37, outer 35 other end of connector sleeve is located at third axial limiting
Axial limiting connection is formed inside groove 38.
Axicon lens of the invention adjusts sleeve 5 to be fixedly connected with the screw that plano lens fixing seat 4 divides equally 3-M3 by 120 °,
It constitutes one and adjusts whole, the adjusting connection of formation screw thread, 3 left end of outer sleeve and fixing sleeve between plano lens fixing seat 4 and outer sleeve 3
Cylinder 34 is threadedly coupled, and fixes sleeve 34 can be connected with external optical devices, and 3 right end of outer sleeve is through locking lantern ring 2 and 1 spiral shell of front cover
Line links together, and entire adjustment mechanism forms the cavity of internal totally-enclosed, when adjusting, does not interfere with internal optics system
The clean level of system.
Plano lens fixing seat 4 of the present invention adjusts sleeve 5 with axicon lens and is assembled integrally by screw thread, plano lens fixing seat 4
It is connected through a screw thread between outer sleeve 3, the first cavity for adjusting stroke is equipped between plano lens fixing seat 4 and object lens
39, when rotation is moved back or when precession outer sleeve, plano lens fixing seat 4 and axicon lens adjust sleeve 5 and elastic can move together, reach
The purpose that distance changes between the lens in plano lens 7 and object lens 1 is arrived, plano lens 7 and then revolves in rotary course in order to prevent
Turn, therefore be provided with the first flat key structure 9 between outer sleeve 3 and plano lens fixing seat 4, guarantees plano lens fixing seat 4 outside
Sleeve inner is only moved forward and backward when adjusting without rotating, to reach when lens light gathering optical center regardless of dissipating.
Axicon lens of the present invention is adjusted between sleeve 5 and axicon lens fixing seat 6 apart from motor adjustment using the side being threadedly engaged
Formula is equipped with the second cavity 40 for adjusting stroke between axicon lens fixing seat 6 and plano lens fixing seat 4, when rotation is moved back or precession
When axicon lens adjusts the rotation of adjustment knob 11 in sleeve 5, axicon lens fixing seat 6 can stretch before and after opposite axicon lens adjusting sleeve 5
Contracting movement, realizes the adjusting of distance between axicon lens 8 and plano lens 7.Axicon lens adjust sleeve 5 and axicon lens fixing seat 6 it
Between the second flat key structure 10 is set, guarantee that axicon lens fixing seat 6 is only moved forward and backward in 11 internal regulation of rotation of adjustment knob
Without rotating, to achieve the purpose that optical center is regardless of scattered when lens light gathering.
In above scheme, it includes rotation of adjustment knob 11 and connection sleeve 12, the connection sleeve that axicon lens, which adjusts sleeve 5,
12 are fixedly connected with 4 end of plano lens fixing seat, and 12 outer surface of connection sleeve is circumferentially equipped with a circle V-groove 13, described
11 end of rotation of adjustment knob is connected by the first ripple pearl screw 14 with 12 outer surface of sleeve is connect, the rolling of the first ripple pearl screw 14
Pearl is located in V-groove 13, and the confined planes that 11 end face of rotation of adjustment knob is fitted and connected sleeve 12 form axial limiting connection.Cone is saturating
Mirror adjusts 5 surface of sleeve and is equipped with reference graduation line 5.1, and 3 surface of outer sleeve and reference graduation line corresponding position are equipped with adjustment
Reference line 3.2.
In above scheme, gland nut 15, first flat key structure 9 are equipped between outer sleeve 3 and plano lens fixing seat 4
Other end is bonded 15 end face of gland nut, is equipped with the second ripple pearl screw 16, the second ripple pearl screw 16 in the gland nut 15
Both ends are respectively held against 3 inner wall of outer sleeve and 4 outer surface of plano lens fixing seat.Setting gland nut 15 is to adjust outer sleeve
There is certain damping action when 3, is unlikely to loosen very much when allowing outer sleeve to turn round.
In above scheme, the first flat key structure 9 includes the first flat key 19 of built-in clamp sleeve 18 and strip, described built-in
18 outer surface of clamp sleeve is bonded 3 inner wall of outer sleeve, and built-in 18 inner wall of clamp sleeve is bonded 4 outer surface of plano lens fixing seat, interior
It sets 18 end of clamp sleeve to be fixedly connected with locking 2 end of lantern ring, between built-in 18 end face of clamp sleeve and locking 2 end face of lantern ring
Equipped with circumferential first axis limiting groove 20,3 end 3.4 of outer sleeve is located in first axis limiting groove 20, described
Built-in 18 inner wall of clamp sleeve is equipped with the first limiting slot 21 of strip, 4 outer wall of plano lens fixing seat and the first limiting slot 21
Corresponding position is equipped with the second limiting slot 22 of strip, and first flat key 19 is located at 22 shape of the first limiting slot 21 and the second limiting slot
At cavity inside, wherein 19 length of the first flat key be equal to the first limiting slot 21 length, 19 length of the first flat key is less than second
The length of limiting slot 22, the difference between 22 length of 19 length of the first flat key and the second limiting slot is plano lens fixing seat 4
Maximal regulated line.
In above scheme, plano lens 7 is fixed on inside plano lens fixing seat 4 by the first snap ring 29, and plano lens 7 includes the
One planar lens 7.1 and the second planar lens 7.2, first planar lens 7.1 are opposite with the saturating face of the second planar lens 7.2
Arrangement is separated between the first planar lens 7.1 and the second planar lens 7.2 by the first washer 30, first planar lens
7.1 plane 7.11 is bonded the axial limiting face 4.1 inside plano lens fixing seat 4, the plane patch of second planar lens 7.2
Close the first snap ring 29.First washer 30 includes two brass optics pads thicker than relatively thin plastic optics washer 30.2 and one
Circle 30.1, two plastic optics washers 30.2 are bonded the saturating face of the first planar lens 7.1 and the second planar lens 7.2 respectively, yellow
Copper optical spacer 30.1 is located between two plastic optics washers 30.2.
In above scheme, the second flat key structure 10 includes that press circle 24 and second flat for axicon lens clamp sleeve 23, knob lock
Key 25, the knob lock press 24 outer surfaces of circle fitting axicon lens and adjust 5 inner wall of sleeve, and knob lock presses circle 24 inner surfaces fitting
6 outer surface of axicon lens fixing seat, knob lock press 24 ends of circle and are fixedly connected with 23 end of axicon lens clamp sleeve, the knob
It locks and is equipped with the second circumferential axial limiting groove 26 between 24 end face of pressing ring and 23 end face of axicon lens clamp sleeve, the cone is saturating
Mirror adjusts 5 end of sleeve and is located at the interior formation axial limiting connection of the second axial limiting groove 26, and the knob lock presses in circle 23
Wall is equipped with the third limiting slot 27 of strip, and 6 outer wall of axicon lens fixing seat and 27 corresponding position of third limiting slot are equipped with strip
The 4th limiting slot 28, second flat key 25 is located at the cavity inside that third limiting slot 27 and the 4th limiting slot 28 are formed,
In 25 length of the second flat key be equal to third limiting slot 27 length, 25 length of the second flat key less than the 4th limiting slot 28 length,
Difference between second flat key, 25 length and 28 length of the 4th limiting slot is the maximal regulated line of axicon lens fixing seat 6.
In above scheme, axicon lens 8 is fixed on inside axicon lens fixing seat 6 by the second snap ring 32, the axicon lens 8
Plane 8.1 is bonded the confined planes 6.1 of axicon lens fixing seat 6, and second is equipped between the conical surface 8.2 of axicon lens 8 and the second snap ring 32
Washer 33, second packing ring 33 are plastic optics washer.
When needing to adjust the distance between the lens in plano lens 7 and object lens 1, first adjusting outer sleeve makes on outer sleeve
Adjustment reference line is just aligned with the reference graduation line on rotation of adjustment knob, this constantly shows the lens in plano lens and object lens
The distance between be theory focal dimension distance 27.18mm (distance is decided according to the actual requirements).Then proceed to rotary sleeve
Cylinder 3 is locked the rotation reference line on lantern ring 2 as origin benchmark line position is adjusted and is fixed, and 60 lattice are divided equally on 3 circumference of outer sleeve
Rotating scale line 3.1, the lead of internal rotating screw thread are 1.5mm, thus show when rotate a lattice scale lens advance or after
0.025mm is moved back, then the actual range between the lens in plano lens and object lens is exactly that theoretical burnt size distance subtracts advance
Distance or theoretical burnt size distance are plus the distance retreated.The adjustment process be continuous, controllable adjusting, degree of regulation compared with
It is high.
When needing to adjust the distance between axicon lens 8 and plano lens 7, axicon lens adjusts sleeve 5 as a independent
Unit, using being threadedly coupled between axicon lens fixing seat 6 and rotation of adjustment knob 11, when rotation of adjustment knob 11 is moved back in precession or rotation
When, the adjusting of distance can be realized in the axicon lens 8 in axicon lens fixing seat 6.
The entire optical element of the present invention is in a closed inner cavity, needs to do the element of distance adjustment, such as: flat
The adjustment of its relative position distance of lens, axicon lens is outside respectively by adjusting outer sleeve and rotation of adjustment knob come real
Existing, it will not influence the concentricity of laser beam axis, the airtight performance of internal optical path will not be influenced, to ensure that optical system
The clean level of system.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (12)
1. a kind of lens position adjustment mechanism for optical system, it is characterised in that: including object lens (1), fix plano lens
Plano lens fixing seat (4), the axicon lens fixing seat (6) of fixed axicon lens, outer sleeve (3) and axicon lens adjusting sleeve (5), it is described
Object lens (1), plano lens (7) and axicon lens (8) are sequentially coaxially arranged；Described outer sleeve (3) one end and object lens (1) end axially limit
Position connection, outer sleeve (3) inner wall are connect with plano lens fixing seat (4) outer wall thread, described plano lens fixing seat (4) one end and object
The first cavity is equipped between mirror (1), plano lens fixing seat (4) other end and axicon lens adjust the fixed company in sleeve (5) one end
It connects, the axicon lens adjusts sleeve (5) inner wall and connect with axicon lens fixing seat (6) outer wall thread, the axicon lens fixing seat (6)
The second cavity is equipped between plano lens fixing seat (4)；Limitation is equipped between the outer sleeve (3) and plano lens fixing seat (4)
The first flat key structure (9) of plano lens rotation, the axicon lens, which is adjusted, is equipped with limit between sleeve (5) and axicon lens fixing seat (6)
The second flat key structure (10) of axicon lens rotation processed, object lens (1) end are fixedly connected with the first flat key structure (9) one end,
The axicon lens adjusts sleeve (5) other end and connect with the second flat key structure (10) axial limiting.
2. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: the object lens
(1) locking lantern ring (2) is equipped between outer sleeve (3), the object lens end (1) is fixedly connected with locking lantern ring (2) one end, institute
It states locking lantern ring (2) other end to be fixedly connected with the first flat key structure (9), locking lantern ring (2) other end and outer sleeve (3) one
Axial limiting connection is held, locking lantern ring (2) the surface edge is axially arranged with outer sleeve rotation reference line (2.1), the outer sleeve
(3) end face is equipped with rotating scale line (3.1).
3. the lens position adjustment mechanism according to claim 2 for optical system, it is characterised in that: the object lens
(1) surface is cased with front cover (17), and front cover (17) end is fixedly connected with locking lantern ring (2) surface.
4. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: the outer sleeve
(3) the other end axially extends to being placed on axicon lens and adjusts sleeve (5) surface, adjusts sleeve with axicon lens on outer sleeve (3)
Corresponding position is provided with adjustment hole (3.3), and outer sleeve (3) other end is additionally provided with the fixes sleeve for connecting with optical device
(34)。
5. the lens position adjustment mechanism according to claim 4 for optical system, it is characterised in that: the fixing sleeve
Cylinder (34) includes outer connector sleeve (35), interior connector sleeve (36) and rear cover (37), outer sleeve (3) other end and outer connector sleeve
(35) one end is fixedly connected, and the interior connector sleeve (36) is fixed on rear cover (37) inside, and the outer surface of interior connector sleeve (36) is with after
It covers and is equipped with third axial limiting groove (38) between the inner surface of (37), outer connector sleeve (35) other end is located at third axial direction
Limiting groove (38) is internal.
6. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: the axicon lens
It adjusts sleeve (5) to include rotation of adjustment knob (11) and connect sleeve (12), the connection sleeve (12) and plano lens fixing seat
End is fixedly connected, and connection sleeve (12) outer surface is circumferentially equipped with a circle V-groove (13), the rotation of adjustment knob
(11) end is connected by the first ripple pearl screw (14) with sleeve (12) outer surface is connect, the ball position of the first ripple pearl screw (14)
In V-groove (13), rotation of adjustment knob (11) end face is fitted and connected the confined planes of sleeve (12).
7. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: the axicon lens
It adjusts sleeve (5) surface and is equipped with reference graduation line (5.1), outer sleeve (3) surface is equipped with reference graduation line corresponding position
It adjusts reference line (3.2).
8. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: the outer sleeve
(3) gland nut (15) are equipped between plano lens fixing seat (4), the first flat key structure (9) other end fitting compresses
Swivel nut (15) end face, the gland nut (15) is interior to be equipped with the second ripple pearl screw (16), the second ripple pearl screw (16) both ends difference
Resist outer sleeve (3) inner wall and plano lens fixing seat (4) outer surface.
9. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: described first is flat
Bond structure (9) includes the first flat key (19) of built-in clamp sleeve (18) and strip, described built-in clamp sleeve (18) outer surface
It is bonded outer sleeve inner wall, built-in clamp sleeve (18) inner wall is bonded plano lens fixing seat (4) outer surface, built-in clamp sleeve (18)
End is fixedly connected with object lens (1) end, and circumferential first is equipped between built-in clamp sleeve (18) end face and object lens (1) end face
Axial limiting groove (20), outer sleeve (3) end are located in first axis limiting groove (20), the built-in clamp sleeve
(18) inner wall is equipped with the first limiting slot (21) of strip, plano lens fixing seat (4) outer wall and the first limiting slot corresponding position
The second limiting slot (22) equipped with strip, first flat key (19) are located at the first limiting slot (21) and the second limiting slot (22) shape
At cavity inside.
10. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: described second
Flat key structure (10) includes that axicon lens clamp sleeve (23), knob lock press circle (24) and the second flat key (25), the knob lock
Press circle (24) outer surface fitting axicon lens and adjust sleeve (5) inner wall, it is solid that knob lock presses circle (24) inner surface fitting axicon lens
Reservation (6) outer surface, knob lock press circle (24) end and are fixedly connected with axicon lens clamp sleeve (23) end, the knob lock
Press and is equipped with the second circumferential axial limiting groove (26) between circle (24) end face and axicon lens clamp sleeve (23) end face, it is described
Axicon lens adjusts sleeve (5) end and is located in the second axial limiting groove (26), and the knob lock presses circle (24) inner wall and is equipped with
The third limiting slot (27) of strip, axicon lens fixing seat (6) outer wall and third limiting slot (27) corresponding position are equipped with strip
The 4th limiting slot (28), second flat key (25) is located at the cavity that third limiting slot (27) and the 4th limiting slot (28) are formed
It is internal.
11. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: described flat saturating
Mirror (7) is fixed on plano lens fixing seat (4) inside by the first snap ring (29), and plano lens (7) includes the first planar lens (7.1)
With the second planar lens (7.2), first planar lens (7.1) and the saturating face of the second planar lens (7.2) are positioned opposite, the
It is separated between one planar lens (7.1) and the second planar lens (7.2) by the first washer (30), first planar lens
(7.1) the axial limiting face of plane fitting plano lens fixing seat (4), the plane fitting the of second planar lens (7.2)
One snap ring (29).
12. the lens position adjustment mechanism according to claim 1 for optical system, it is characterised in that: the cone is saturating
Mirror (8) is fixed on axicon lens fixing seat (6) inside by the second snap ring (32), and the plane of the axicon lens (8) is bonded axicon lens
The confined planes of fixing seat (6) are equipped with second packing ring (33) between the conical surface and the second snap ring (32) of axicon lens (8).
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| CN201811474208.1A CN109445059B (en) | 2018-12-04 | 2018-12-04 | Lens position adjusting mechanism for optical system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811474208.1A CN109445059B (en) | 2018-12-04 | 2018-12-04 | Lens position adjusting mechanism for optical system |
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| CN109445059B CN109445059B (en) | 2021-05-28 |
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| CN110928113A (en) * | 2019-12-03 | 2020-03-27 | 西北工业大学 | Light field acquisition device with variable spatial resolution |
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| CN109445059B (en) | 2021-05-28 |
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