CN205562928U - Lens barrel - Google Patents
Lens barrel Download PDFInfo
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- CN205562928U CN205562928U CN201620123798.3U CN201620123798U CN205562928U CN 205562928 U CN205562928 U CN 205562928U CN 201620123798 U CN201620123798 U CN 201620123798U CN 205562928 U CN205562928 U CN 205562928U
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Abstract
The utility model provides a lens barrel, makes slider keep parts remove to the 2nd position that the state was received and kept in the conduct from the 1st position as photographic state in the optical axis direction through slider keep parts moving mechanism through the disconnection main switch. Under slider keep parts removal to the state of the 2nd position, messenger VCM moves, makes the slider remove to the removal limit of passing through the removal and restricting the hole and remove the block production of banking pin. The block portion butt that can make shake correction lens keep parts can make shake correction lens keep parts follow the optical axis in -position and move smoothly to retreating position on keeping out of the way an allocation that acts on parts.
Description
Technical field
This utility model relates to the shake correction lens back-off method of lens barrel and lens barrel.
Background technology
In the Optical devices of digital camera or binoculars etc., more use variable focal length lens.Especially because the requirement of densification, there is the harvesting state possessed in lens barrel is stored in the body of camera body etc. and between the prominent photography state of body, change the form of variable focal length lens of tube length.
Among such variable focal length lens, have and make the shake in imaging len revise the structure (for example, referring to Japanese Unexamined Patent Publication 2011-170262 publication, Japanese Unexamined Patent Publication 2014-174491 publication) that the lens midway of movement on from photography state to the optical axis direction of harvesting state is kept out of the way from optical axis, received and kept the other lenses of imaging len in space after keeping out of the way.Hereby it is achieved that the slimming of the optical axis direction of lens barrel under harvesting state, improve portability.
Such as in the lens barrel using the Japanese Unexamined Patent Publication 2011-170262 publication of the slide block being made up of the 1st slide block with guide rod and the 2nd slide block to record, the guide rod using in the horizontal direction and arranging in vertical direction makes shake correction lens move in optical axis normal surface.Owing to having 1 pair of guide rod and the maintaining part guided by this guide rod, so correspondingly structure complicates.Additionally, due to be the structure making guide rod slide, so the resistance that shake is revised when lens move increases, correspondingly voice coil motor becomes big, it is impossible to realize densification.
Relative to this, in the vibration proof mechanism of the optical device described in Japanese Unexamined Patent Publication 2014-174491 publication, via the spherical rotor being made up of multiple guide ball, parts are moved in vibrationproof and can support movably along the face orthogonal with the optical axis of photographic optical system relative to base component.Guiding is moved relative to base component, it is not required that with guide rod such described in Japanese Unexamined Patent Publication 2011-170262 publication, structure correspondingly can be made to become simple owing to parts being moved in vibrationproof by guide ball.
But, in Japanese Unexamined Patent Publication 2014-174491 publication, although using guide ball to make simple structure, but owing to making the 3rd battery of lens as vibrationproof optical element (lens are revised in shake) in-position in entering into optical axis and conjugating between the retreating position that optical axis is kept out of the way, plug off frame so using and depart from two tilting members of drive rod.Therefore, become the complicated structure rotatably kept by two tilting members and make them engage, become the obstacle of densification.
So, if it is intended to use guide ball as Japanese Unexamined Patent Publication 2014-174491 publication to realize the simplicity of structure the slide block formed by guidance axis of Japanese Unexamined Patent Publication 2011-170262 publication, then in the movement of the slide block carried out by guide ball, can also rotate in addition to the movement of horizontal direction and vertical direction, slide block rotates relative to slide block holding member.Therefore, the shake being located on slide block is revised the holding section of lens holding frames and is become big with the clamped position keeping out of the way functional component being located on pedestal corresponding to the applying rotating displacement.By the position deviation of this holding section, shake is revised the avoidance operation of lens holding frames and is no longer smoothly carried out.If additionally, to make the holding section of shake correction lens holding frames not maximized, then it also occur that the such new problem of densification no longer can be realized along with the increase of position deviation amount by the snap-latch surface keeping out of the way functional component in the way of keeping out of the way functional component disengaging.
Utility model content
The purpose of this utility model is to provide lens barrel and the shake correction lens backoff mechanism of lens barrel that one can make shake correction lens smoothly keep out of the way with the structure of simple and compact (small-sized) from optical axis in-position.
In order to achieve the above object, lens barrel of the present utility model possesses the shake correction lens the shake of shot object image revised, lens holder, slide block, slide block holding member, voice coil motor, slide block holding member travel mechanism are revised in shake, keep out of the way functional component and slide block initial position travel mechanism.Shake is revised lens holder and is kept shake to revise lens.Shake correction lens holder is rotatably kept by slide block, makes shake correction lens enter into the in-position of optical axis and conjugate between the retreating position that optical axis is kept out of the way, and exerts a force towards in-position, makes shake correction lens be positioned at in-position.Slide block is movably kept in face orthogonal with the optical axis by slide block holding member.Slide block is moved up in face orthogonal with the optical axis by voice coil motor in the 1st direction and the 2nd side orthogonal with the 1st direction.Slide block holding member travel mechanism makes slide block holding member move to the 1st position and the 2nd position in the direction of the optical axis.Keeping out of the way functional component when slide block holding member moves to the 2nd position from the 1st position in the direction of the optical axis, the holding section revising lens holder with shake contacts, and makes shake correction lens be indexed to retreating position from in-position.Slide block initial position travel mechanism when being made slide block move to the Limitation Of Movement relative to slide block holding member by voice coil motor, slide block holding member is when moving to the 2nd position from the 1st position, makes the holding section of shake correction lens holder be connected to keep out of the way on the certain position of functional component.
It is further preferred, that have: at least 3 rotating guide ball, it is located in the opposed faces of slide block and slide block holding member, configures away from each other；And force application part, via guide ball, slide block is pushed to the opposed faces of slide block holding member.Preferably, keep out of the way functional component and have: keep out of the way acting surface, shake revise lens holder install axle be formed around helical form；And stowed position keeps face, it is continuously formed in the direction of the optical axis with keeping out of the way acting surface.Moreover it is preferred that slide block holding member is moved to the 2nd position from the 1st position by slide block holding member travel mechanism and tube length shortens, be stored to shake revise revising the different lens of lens from shake lens holder space after optical axis is kept out of the way.
Preferably, keep out of the way functional component prominent in the direction of the optical axis and be formed on fixed pedestal；Fixed pedestal have from keep out of the way functional component arrange with leaving, the prominent in the direction of the optical axis and guide rod that formed；Slide block has the guide hole inserting for guide rod, the most movably being guided by slide block.Moreover it is preferred that the edge part of the guide hole inserted in the leading section of guide rod and leading section, it is formed with the guiding face of taper.
The shake correction lens back-off method of lens barrel of the present utility model, slide block holding member is made to move to the 2nd position from the 1st position in the direction of the optical axis by slide block holding member travel mechanism, make the shake correction lens holder being rotatably arranged on slide block be engaged to keep out of the way in functional component, make shake correction lens conjugate from optical axis in-position to retreating position；When slide block holding member moves to the 2nd position from the 1st position, make slide block move to the Limitation Of Movement relative to above-mentioned slide block holding member by voice coil motor, make above-mentioned shake correction lens holder and the above-mentioned engaging starting position keeping out of the way functional component become certain position.
The effect of utility model
According to this utility model, when making slide block always remain at certain position relative to slide block holding member, the holding section of lens holding frames and the engaging keeping out of the way functional component are revised in the shake starting to be arranged on slide block, it is possible to always make both engage at certain clamped position, it is possible to obtain stable shake and revise the avoidance operation of lens holding frames.Furthermore it is possible to the combination using shake to revise such a bar of lens holding frames and guide ball realizes the simplicity of structure, densification.
Accompanying drawing explanation
Fig. 1 is the longitudinal section in the direction along optical axis representing the digital camera using lens barrel of the present utility model.
Fig. 2 is the axonometric chart observed from object side that the shake of lens barrel is revised lens Withdraw and keep-off device exploded representation.
Fig. 3 is the axonometric chart observed from one-tenth image side that the shake of lens barrel is revised lens Withdraw and keep-off device exploded representation.
Fig. 4 is the axonometric chart representing slide block and guide ball.
Fig. 5 is that the axonometric chart that lens Withdraw and keep-off device is observed is revised in the shake of the lens barrel by being in photography state from object side.
Fig. 6 is that the axonometric chart that lens Withdraw and keep-off device is observed is revised in the shake of the lens barrel by being in harvesting state from object side.
Fig. 7 is that the axonometric chart that lens Withdraw and keep-off device is observed with the angle different from Fig. 6 is revised in the shake of the lens barrel by being in harvesting state from object side.
Fig. 8 is to represent the front view of the slide block of state close relative to slide block holding member for slide block with an example of the relation of mobile banking pin.
Fig. 9 is to represent the flow chart that lens back-off method is revised in the shake of lens barrel.
Figure 10 is the side view of the shake correction lens Withdraw and keep-off device of the lens barrel representing guide rod tight front state chimeric with guiding tube.
Figure 11 is the side view of the shake correction lens Withdraw and keep-off device of the lens barrel representing photography state.
Figure 12 is to represent the front view of the slide block of state close relative to slide block holding member for slide block with another example of the relation of mobile banking pin.
Detailed description of the invention
As it is shown in figure 1, the digital camera 10 as an embodiment of lens barrel of the present utility model has lens barrel 12 on the front surface of camera body 11.Lens barrel 12 allows hand over the photography state for being stretched out by lens and harvesting state when not using received and kept by lens.Hereinafter, if the optical axis direction of lens barrel 12 is Z axis, if the horizontal direction orthogonal with optical axis direction is X-axis, illustrate if the vertical direction orthogonal with optical axis direction is Y-axis.
Lens barrel 12 such as possesses fixing cylinder 13, drives cylinder 14, straight cylinder 15, rotating cylinder 16 and moving cylinder 17, is built-in with imaging len 20.Imaging len 20 have be fixed on the 1st battery of lens 21 of moving cylinder 17, lens 23 and to focus lens 24 are revised in the 2nd battery of lens 22 being maintained in straight cylinder 15, shake.
Imaging len 20 is configured to, according to shrinking, stretch out, focal length/Radix Rumicis (T/W) switching and focus adjust, some or all lens in addition to revising lens 23 except shake move in the direction of the optical axis." the 1st battery of lens the 21, the 2nd battery of lens 22 " described in the present embodiment does not refers to the battery of lens optically divided, but refers to as the battery of lens into Moving Unit.
Focus lens 24 is moved in the direction of the optical axis by not shown focusing lens driver, focuses.In the rear side to focus lens 24, the imageing sensor 19 being made up of CCD etc. is fixed on pedestal 18.
Fixing cylinder 13 is fixed on pedestal 18, and the movement of optical axis direction and the rotation around optical axis are limited.Cylinder 14 is driven to be disposed in the inner face of fixing cylinder 13.Drive cylinder 14 to accept driving force from not shown zoom driving motor, relative to fixing cylinder 13 with optical axis for rotary shaft along with rotation, move in the direction of the optical axis on one side.Zoom driving motor is corresponding to the operation forward or reverse of zoom T/W changer lever (not shown).The rotary driving force of zoom driving motor is transmitted to driving cylinder 14 via not shown driving gear.
Straight cylinder 15 is disposed in the inner face driving cylinder 14.Straight cylinder 15 along with driving the rotation of cylinder 14, be not accompanied by the most in the direction of the optical axis with drive cylinder 14 one and straight mobile.On straight cylinder 15, slide block holding member 34 is fixed on into image side (right side of optical axis direction), and the 2nd battery of lens holding frame (diagram is omitted) is maintained at compared with slide block holding member 34 by object side (left side of optical axis direction).
Rotating cylinder 16 is disposed in the inner face of straight cylinder 15.Rotating cylinder 16, along with the rotation of driving cylinder 14, rotates integratedly with driving cylinder 14 for rotary shaft with optical axis relative to fixing cylinder 13, moves in the direction of the optical axis on one side.In moving cylinder 17, in the fixed 1st battery of lens holding frame 25 of object side.1st battery of lens holding frame 25 remains the 1st battery of lens 21.Moving cylinder 17 is disposed in the inner face of rotating cylinder 16.Moving cylinder 17 its object side front surface 17a highlights than rotating cylinder 16, along with the rotation of rotating cylinder 16, is not accompanied by rotating and straightly the most mobile.
Under the harvesting state shown in Fig. 1, the retreating position that lens holder 32 turns to keep out of the way is revised in the shake keeping shake to revise lens 23 from optical axis, is positioned at the position avoided by the 2nd battery of lens 22.Therefore, the 2nd battery of lens 22 is moved to and slide block holding member 34 close proximity, it is achieved that the slimming of the optical axis direction of the lens barrel 12 under harvesting state.Additionally, the 2nd battery of lens 22 is configured to, moved in the direction of the optical axis by the 2nd not shown battery of lens driving means.
As shown in Figures 2 and 3, shake is revised lens Withdraw and keep-off device 30 and is possessed that lens 23 are revised in shake, lens holder 32 is revised in shake, slide block 33, slide block holding member 34, voice coil motor (Voice Coil Moter: following, referred to simply as VCM) 35, slide block holding member travel mechanism 36, keep out of the way functional component 37, slide block initial position travel mechanism 38 and fixed pedestal 39.
Shake correction lens 23, by the shake correction of shot object image, are revised lens holder 32 by shake and are kept.Shake is revised lens holder 32 and is had holding frame 32a, arm 32b, installation axle 32c, holding section 32d (with reference to Fig. 3) and hooking sheet 32e shake being revised lens 23 and keeping.Arm 32b one end is attached in holding frame 32a, and the other end is attached on installation axle 32c.Axle 32c is installed be arranged in the direction of the optical axis on slide block 33 via mounting bracket 33b.On axle 32c, torsion spring 41 is installed installing.One end of torsion spring 41 is locked in mounting bracket 33b, and the other end is locked on arm 32b, is exerted a force clockwise by arm 32b.
As shown in Figure 4, slide block 33 is formed as a generally rectangular tabular.On face (surface) 33a of the object side of slide block 33, in addition to mounting bracket 33b, it is also formed with the optical axis opening 33c of circle, rectangular coil installing hole 33d, 33e, foursquare mobile limiting holes 33g and guide ball harvesting hole 33h.Additionally, near optical axis opening 33c on the face 33a of object side, highlight in the direction of the optical axis and be formed with card shotpin 33f.As it is shown in figure 5, when shake correction lens 23 are arranged on optical axis, hooking sheet 32e is locked on card shotpin 33f.Thus, shake is revised lens 23 and is positioned in optical axis in-position.
As shown in Figure 4, guide ball harvesting hole 33h is equipped with 3 with leaving in the circumferential with substantially 120 ° of intervals centered by optical axis opening 33c.In this guide ball harvesting hole 33h, receive and keep the guide ball 40 that can rotate in guide ball harvesting hole 33h.
Mobile limiting holes 33g is equipped with two with leaving in the circumferential with 180 ° of intervals centered by optical axis opening 33c.The mobile banking pin 34g (with reference to Fig. 3) of slide block holding member 34 is moved limiting holes 33g to this and is entered.As shown in Figure 8, if mobile banking pin 34g hits against on the sidewall of mobile limiting holes 33g, then further move and limited, so being allowed in the range of mobile limiting holes 33g to move.
As it is shown on figure 3, on the back side 33j of slide block 33, be provided with 3 spring mounting brackets 33k in the circumferential with substantially 120 ° of intervals centered by optical axis opening 33c near the periphery of slide block 33.
As in figure 2 it is shown, slide block holding member 34 is formed as discoid, it is formed with, at central part, stage portion 34b that face (surface) 34a from object side highlights in the direction of the optical axis.In stage portion 34b, in addition to slide block 33, also it is equipped with VCM35.At the central part of stage portion 34b, it is formed with optical axis opening 34c.Additionally, be continuously formed card shotpin with optical axis opening 34c to highlight opening 34d.And then, a part for the edge, periphery of stage portion 34b is formed with breach 34e.Corner and mounting bracket 33b of slide block 33 highlight from breach 34e.In mounting bracket 33b, shake is installed and revises lens holder 32, the surface of stage portion 34b is rotatably installed with shake and revises lens holder 32.
On the outer peripheral face of slide block holding member 34,3 fixed claw 34f are protrudedly formed it with substantially 120 ° of intervals.Fixed claw 34f and the inner peripheral surface locking of straight cylinder 15, be fixed to slide block holding member 34 on straight cylinder 15.Additionally, in the position corresponding with spring mounting bracket 33k of slide block 33, be provided with spring mounting bracket 34k.These spring mounting bracket 33k, 34k hang helical spring 44.Helical spring 44 exerts a force in the way of making slide block 33 be closely contacted on slide block holding member 34.Between slide block 33 and slide block holding member 34, in guide ball harvesting hole 33h, load guide ball 40, kept abreast across guide ball 40, slide block 33 and slide block holding member 34.
As it is shown on figure 3, on the back side 34j of slide block holding member 34, in the position corresponding with mobile limiting holes 33g of slide block 33, highlight in the direction of the optical axis and be formed with mobile banking pin 34g.When slide block 33 is kept in the way of by the force of helical spring 44, sandwich guide ball 40 ground is close contact in slide block holding member 34, this leading section moving banking pin 34g enters in mobile limiting holes 33g.Thus, even if slide block 33 to move in X/Y plane orthogonal with the optical axis relative to slide block holding member 34, as shown in Figure 8, mobile banking pin 34g also hits against on the wall of mobile limiting holes 33g, and the movement of slide block 33 is limited.
As in figure 2 it is shown, VCM35 possesses 51,52, two Magnet of two coils 53,54, yoke 55,56,57 and flexible circuit board 58.Coil 51,52 is by coil installing hole 33d, 33e of being stored to slide block 33.With the opposed position of two coils 51,52, fixed two Magnet 53,54 in yoke 57.Table side yoke 55,56 is installed in the 34a side, surface of slide block holding member 34.Dorsal part yoke 57 is installed in the 34j side, the back side of slide block holding member 34.51,52 and two Magnet 53,54 of two coils are clipped by these yokes 55,56,57.By being energized by each coil 51,52 of VCM35, slide block 33 is moving as in the X-direction in the 1st direction and the Y direction as the 2nd direction in X/Y plane orthogonal with the optical axis.
Flexible circuit board 58 is constituted by by the coiled sheet with flexibility that metallic conductor is clipped by resin film.Two coils 51,52 are connected in control circuit 60 by flexible circuit board 58.Control circuit 60 is connected to not shown handshaking detection sensor.Control circuit 60, based on the signal from handshaking detection sensor, sends the signal of the shake revising shot object image to two coils 51,52.
Shake correction mechanism 50 it is made up of the slide block 33 with VCM35 and slide block holding member 34, handshaking detection sensor and control circuit 60.Shake correction mechanism 50 is as it is shown in figure 5, when lens barrel 12 is photography state and shake correction lens 23 are in optical axis in-position, corresponding to handshaking, made slide block 33 slide in X/Y plane relative to slide block holding member 34 by VCM35.Thus, the shake kept by shake correction lens holder 32 revises lens 23 by the shake correction of shot object image.
Slide block holding member travel mechanism 36 such as by driving cylinder 14, straight cylinder 15, rotating cylinder 16, moving cylinder 17 and not shown zoom driving motor to constitute, makes slide block holding member 34 move between camera positions (the 1st position) and stowed position (the 2nd position) in the direction of the optical axis.
As it is shown in figure 1, fixed pedestal 39 is fixed on pedestal 18.On fixed pedestal 39, keep out of the way functional component 37 and highlight in the direction of the optical axis from the face (surface) of the object side of fixed pedestal 39 and formed.Keep out of the way functional component 37 to be made up of a part for the cylinder of the installation axle 32c surrounding shake correction lens holder 32 when slide block holding member 34 is arranged at stowed position.Keep out of the way functional component 37 to have and keep out of the way acting surface 37a and stowed position and keep face 37b.The end face keeping out of the way the object side of functional component 37 is spirally cut away as it is shown in fig. 7, keep out of the way acting surface 37a and is formed.Stowed position keeps face 37b to be continuously formed in the direction of the optical axis on acting surface 37a keeping out of the way.
Slide block initial position travel mechanism 38 uses shake correction mechanism 50 to constitute, control circuit 60 carry out the process shown in Fig. 9.Terminate in photography, master switch for disconnecting (OFF) or in the case of the most not operating, will the VCM35 energising of shake correction mechanism 50.By this energising, as shown in Figure 8, slide block 33 moves (close) Limitation Of Movement to a side relative to slide block holding member 34.
Then, zoom driving motor is energized.By this energising, slide block holding member 34 starts mobile from camera positions to retreating position.Corresponding to the movement of this slide block holding member 34, as shown in figure 11, the front end keeping out of the way functional component 37 highlights from the breach 34e of slide block holding member 34.Finally, the prominent acting surface 37a that keeps out of the way keeping out of the way functional component 37 hits against on the holding section 32d that lens holder 32 is revised in shake.Keeping out of the way acting surface 37a and be formed as helical form, holding section 32d keeps out of the way work along this
Slide with face 37a.Thus, shake is revised lens holder 32 and is resisted the force of torsion spring 41 and rotate counterclockwise, and shake is revised lens 23 and conjugated from the optical axis in-position shown in Fig. 5 towards the retreating position shown in Fig. 6.
Slide block 33 is close relative to slide block holding member 34 as shown in Figure 8, it is possible to always make the holding section 32d of shake correction lens holder 32 be connected to keep out of the way on the certain position of acting surface 37a.Thus, at holding section 32d to the engaging starting position of the holding section 32d keeping out of the way acting surface 37a always for certain, can start shake revise lens holder 32 from in-position to the swing of retreating position, reliable and smoothly carry out shake and revise the swing of lens holder 32.In addition, do not carry out slide block 33 relative to slide block holding member 34 near in the case of, keep out of the way on acting surface 37a to reliably make holding section 32d be connected in the range of mobile limiting holes 33g of slide block 33, need to keep out of the way acting surface 37a and be correspondingly configured bigger.In the case, although be no longer able to realize the densification of lens barrel 12, but this point can be eliminated.In addition, owing to VCM35 produces the power of equalization in the universe of the length direction of coil 51,52, even if so using guide bar as Japanese Unexamined Patent Publication 2011-170262 publication, the rotation of slide block 33 is suppressed, it is also possible to by the most close relative to slide block holding member 34 for slide block 33.
On the surface of fixed pedestal 39, as in figure 2 it is shown, guide rod 62 highlights in the direction of the optical axis and is formed.Additionally, as it is shown on figure 3, in the position corresponding with guide rod 62, the back side 33j of slide block 33 is provided with guiding tube 63.Guiding tube 63 as shown in Figure 10, has guide hole 64.In guide hole 64, it is fitted together to guide rod 62, above-mentioned slide block 33 is movably guided on above-mentioned optical axis direction.At the edge part of guide hole 64, it is formed with the guiding face 65 of taper.If the front end of guide rod 62 is positioned at guiding face 65, then guide rod 62 is guided to insert guide hole 64 by this guiding face 65.By guide rod 62 being fitted together to guiding tube 63, slide block 33 is made immovably to be kept in X/Y plane by fixed pedestal 39 and slide block holding member 34.By the Qian He of this guide rod 62 with guiding tube 63, the movement of the slide block holding member 34 at stowed position is limited.
Alternatively, it is also possible to the guide rod 62 shown in change Figure 10 and the length of guiding tube 63, change guide rod 62 front end and the engaging starting position of guiding tube 63.Such as, by make the chimeric starting position of guide rod 62 and guiding tube 63 be holding section 32d start with the engaging keeping out of the way acting surface 37a tight before, thus except brought by VCM35 near in addition to, additionally it is possible to and close with by guide rod 62 and guiding tube 63.Additionally, guide rod 62 and guiding tube 63 can also omit.In the case, only carry out close by VCM35.
Then, the effect of present embodiment is described.If not shown main button is placed in unlatching (ON), being then energized by zoom driving motor, slide block holding member travel mechanism 36 makes slide block holding member 34 move to camera positions from stowed position in the direction of the optical axis.Revise lens holder 32 and conjugate as the camera positions shown in Fig. 5 from the retreating position shown in Fig. 6 from stowed position to the movement of camera positions, shake by slide block holding member 34.Shake is revised lens holder 32 and is exerted a force clockwise by the force of torsion spring 41.Keep face 37b (with reference to Fig. 7) to keep out of the way acting surface 37a change to the movement of camera positions, 32d contact site, holding section from the stowed position keeping out of the way functional component 37 from stowed position by slide block holding member 34.Further, shake is revised lens 23 and is switched to optical axis in-position from retreating position, becomes photographic state.Under photographic state, photographed by the pressing operation of shutter release button.
If partly pressed by not shown shutter release button, then carry out Focus hold, by the position of focus lens 24 is fixed on its half by the position of time point.If shutter release button is pressed entirely, then shutter is cut off and photographs.Lens 23 and object light that focus lens 24 is arrived is revised by incident to imageing sensor 19 via the 1st battery of lens the 21, the 2nd battery of lens 22, shake.Object light is transformed to the picture signal of the simulation as the signal of telecommunication by imageing sensor 19, carries out image procossing etc. by not shown electronic circuit, by Imagery Data Recording in record medium.
Under photographic state, shake correction mechanism 50, make slide block 33 slide in X/Y plane relative to slide block holding member 34 corresponding to handshaking by VCM35.Thus, by being revised, by shake, the shake correction lens 23 that lens holder 32 is kept, the shake of shot object image is corrected.
Terminate in photography, master switch is to disconnect (OFF) or in the case of certain time does not the most operate, as it is shown in figure 9, VCM35 is energized and makes slide block 33 close.Then, being energized by zoom driving motor, slide block holding member 34 moves towards stowed position from camera positions.In this moves way, the holding section 32d of shake correction lens holder 32 hits against and is keeping out of the way keeping out of the way on acting surface 37a and engaging of functional component 37.By this engaging, shake is revised lens holder 32 and is resisted the force of torsion spring 41 and rotate counterclockwise, and shake is revised lens 23 and moved to retreating position from optical axis in-position.At retreating position, holding section 32d hits against and keeps, on the 37b of face, maintaining this state at stowed position.Additionally, as it is shown in figure 1, the 2nd battery of lens 22 is stored in the space that shake is revised before lens 23 are kept out of the way, the tube length of lens barrel 12 shortens, and contractive action completes.
In the above-described embodiment, as shown in Figure 8, use VCM35 by slide block 33 relative to slide block holding member 34, make mobile banking pin 34g be connected to the upper right corner of mobile limiting holes 33g and close.This can also be left lower corner or other left, the lower right corner of the opposition side of diagonal as mobile limiting holes 33g near direction as shown in Figure 12.
In the above-described embodiment, as shown in Figures 2 and 3, movement limiting holes 33g is located on slide block 33, movement banking pin 34g is located on slide block holding member 34, but mobile limiting holes 33g can also be located on slide block holding member 34, movement banking pin 34g is located on slide block 33.It is located on slide block 33 additionally, guide ball to be received and kept hole 33h, but guide ball harvesting hole 33h can also be located on slide block holding member 34, it is also possible to be located on slide block 33 and slide block holding member 34.
Claims (6)
1. a lens barrel, it is characterised in that possess:
Lens are revised in shake, revise the shake of shot object image；
Lens holder is revised in shake, keeps above-mentioned shake correction lens；
Slide block, rotatably keeps above-mentioned shake correction lens holder, makes above-mentioned shake repair
Plus lens is entering into the in-position of optical axis and is conjugating between the retreating position that above-mentioned optical axis is kept out of the way,
And make above-mentioned shake correction lens be positioned at above-mentioned in-position towards above-mentioned in-position force；
Slide block holding member, movably keeps above-mentioned slide block in the face orthogonal with above-mentioned optical axis；
Voice coil motor, by above-mentioned slide block in the face orthogonal with above-mentioned optical axis in the 1st direction and with above-mentioned
Orthogonal the 2nd side in 1st direction moves up；
Slide block holding member travel mechanism, makes above-mentioned slide block holding member in the direction of the optical axis to the 1st
Put and the 2nd position is moved；
Keep out of the way functional component, above-mentioned slide block holding member on above-mentioned optical axis direction from above-mentioned 1st
Put under the state moved to above-mentioned 2nd position, with the holding section of above-mentioned shake correction lens holder
Contact, makes above-mentioned shake correction lens conjugate to above-mentioned retreating position from above-mentioned in-position；And
Slide block initial position travel mechanism, by above-mentioned voice coil motor make above-mentioned slide block move to relative to
The Limitation Of Movement of above-mentioned slide block holding member, above-mentioned slide block holding member from above-mentioned 1st position to above-mentioned
Under the state that 2nd position is moved, the holding section of above-mentioned shake correction lens holder is made to be connected to
State on the certain position keeping out of the way functional component.
2. lens barrel as claimed in claim 1, it is characterised in that have:
At least 3 rotating guide ball, are located at the opposed of above-mentioned slide block and above-mentioned slide block holding member
On face, configure away from each other；And
Force application part, across above-mentioned guide ball by above-mentioned slide block to the opposed faces of above-mentioned slide block holding member
Push.
3. lens barrel as claimed in claim 1 or 2, it is characterised in that
Above-mentioned functional component of keeping out of the way has:
Keep out of the way acting surface, above-mentioned shake correction lens holder install axle be formed around spiral shell
Rotation shape；And
Stowed position keeps face, is continuously formed on above-mentioned optical axis direction with above-mentioned acting surface of keeping out of the way.
4. lens barrel as claimed in claim 1, it is characterised in that
Above-mentioned slide block holding member by above-mentioned slide block holding member travel mechanism from above-mentioned 1st position to
Above-mentioned 2nd position is moved and tube length shortens, and the lens different from above-mentioned shake correction lens are stored to
Above-mentioned shake correction lens holder space after above-mentioned optical axis is kept out of the way.
5. lens barrel as claimed in claim 1, it is characterised in that
Above-mentioned functional component of keeping out of the way highlights on above-mentioned optical axis direction on fixed pedestal and is formed；
Above-mentioned fixed pedestal has guide rod, this guide rod from above-mentioned keep out of the way functional component configure with leaving,
Above-mentioned optical axis direction highlights and is formed；
Above-mentioned slide block has guide hole, this guide hole for above-mentioned guide rod insert, by above-mentioned slide block upper
State and movably guide on optical axis direction.
6. lens barrel as claimed in claim 5, it is characterised in that
At the edge part of the guide hole that the leading section of above-mentioned guide rod and above-mentioned leading section are inserted, formed
There is the guiding face of taper.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015028579A JP6334430B2 (en) | 2015-02-17 | 2015-02-17 | Lens barrel |
| JP2015-028579 | 2015-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562928U true CN205562928U (en) | 2016-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620123798.3U Active CN205562928U (en) | 2015-02-17 | 2016-02-17 | Lens barrel |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6334430B2 (en) |
| CN (1) | CN205562928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116679402A (en) * | 2023-07-27 | 2023-09-01 | 天府兴隆湖实验室 | Multimode lens switching mechanism and optical lens |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019131934A1 (en) | 2017-12-28 | 2019-07-04 | 富士フイルム株式会社 | Camera shake correction device and imaging device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4765639B2 (en) * | 2006-01-26 | 2011-09-07 | 株式会社ニコン | Lens barrel, camera system, and lens barrel adjustment device |
| JP4775010B2 (en) * | 2006-01-31 | 2011-09-21 | 株式会社ニコン | Lens barrel and camera |
| JP2011150132A (en) * | 2010-01-21 | 2011-08-04 | Hoya Corp | Lens barrel |
| JP5845577B2 (en) * | 2010-12-28 | 2016-01-20 | ソニー株式会社 | Image blur correction apparatus and imaging apparatus |
| JP5797570B2 (en) * | 2012-01-19 | 2015-10-21 | Hoya株式会社 | Optical element position control device |
-
2015
- 2015-02-17 JP JP2015028579A patent/JP6334430B2/en active Active
-
2016
- 2016-02-17 CN CN201620123798.3U patent/CN205562928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116679402A (en) * | 2023-07-27 | 2023-09-01 | 天府兴隆湖实验室 | Multimode lens switching mechanism and optical lens |
| CN116679402B (en) * | 2023-07-27 | 2023-11-07 | 天府兴隆湖实验室 | Multimode lens switching mechanism and optical lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016151647A (en) | 2016-08-22 |
| JP6334430B2 (en) | 2018-05-30 |
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