CN1573395A - Lens displacing mechanism, image pickup unit and electronic machine - Google Patents
Lens displacing mechanism, image pickup unit and electronic machine Download PDFInfo
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- CN1573395A CN1573395A CN 200410048425 CN200410048425A CN1573395A CN 1573395 A CN1573395 A CN 1573395A CN 200410048425 CN200410048425 CN 200410048425 CN 200410048425 A CN200410048425 A CN 200410048425A CN 1573395 A CN1573395 A CN 1573395A
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Abstract
The invention relates to a lens movement apparatus, an image pick-up unit and an electronic machine. The lens movement apparatus of the invention is characterized in comprising a guide rail which can movably support the keeping frame keeping the lens in the optical axis direction of the lens, a spring which applies force to the keeping frame in the direction of the optical axis of the lens, and a rod part arranged to enable the keeping frame to move in the direction of the optical axis and act freely. A cam surface which is inclining to the vertical surface of the optical axis of the lens is formed on one of the parts of the rod parts and the keeping frame, the other part of the rod parts and the keeping frame is propped on the cam surface against the force of the spring.
Description
Technical field
The present invention relates to a kind of the have lens displacing mechanism that camera lens is moved to the optical axis direction of its camera lens, the e-machine that has the image unit of this lens displacing mechanism and have this image unit.
Background technology
In general, optical system single-lensly is made of a plurality of, in the time of in the single-lens optical system of packing into, is that one or more single-lens being fixed on are kept in the frame, keep frame to pack into one or more single-lens by each.Fixing when single-lens, generally be that the limit is carried out single-lens aligning limit and is fixed on and keeps in the frame, such technology is on the books in patent documentation 1.
In addition, by be encased in the optical system single-lens, keep frame to move by each focusing on or the lens displacing mechanism of zoom, can be carried on optical apparatus such as camera to optical axis direction, such technology is recorded in the patent documentation 2.
[patent documentation 1] Te Kaiping-No. 20366 communique
[patent documentation 2] Te Kaiping-No. 133280 communique
Yet, when aligning, to the optical axis direction application of force, like this, make single-lens optical axis carry out aligning, but, move to optical axis direction owing to the single-lens application of force as if the lens displacing mechanism that has in the past perpendicular to sensitive film and imaging apparatus etc. to single-lens.Therefore, just can not make single-lens optical axis carry out aligning perpendicular to sensitive film, imaging apparatus.
Summary of the invention
Lens displacing mechanism of the present invention, it is characterized in that: have: on the optical axis direction of described camera lens, support to keep the guide part of the maintenance frame of camera lens with can move freely, with to described maintenance frame to the force section of side's application of force of the optical axis direction of described camera lens and for make described maintenance frame on optical axis direction, move, can be freely the rod unit of setting with moving; On one of them parts in described rod unit and described maintenance frame, formation is with respect to the cam surface of the face tilt vertical with the optical axis of described camera lens, another parts in described rod unit and the described maintenance frame are resisted the power of described force section, are abutted against with described cam surface.
Description of drawings
Figure 1A is the side view that is illustrated in the image unit 1 under the close-shot shadow state, and Figure 1B is the side view that is illustrated in the image unit 1 under the common photography state.
Fig. 2 is the vertical view of expression image unit 1 shown in Figure 1.
Fig. 3 is the figure that is illustrated in the rod unit 6 that is had on the image unit shown in Figure 11.
Fig. 4 A is the side view that is illustrated in other image units 101 under the close-shot shadow state, and Fig. 4 B is the side view that is illustrated in the image unit 101 under the common photography state, and Fig. 4 C is the side view that is illustrated in the camera unit 101 under the infinity photography state.
Fig. 5 is the figure that is illustrated in the rod unit 6 that is had on the image unit shown in Figure 4 101.
Fig. 6 A is the side view that is illustrated in the image unit 151 under the close-shot shadow state, and Fig. 6 B is the side view that is illustrated in the image unit 151 under the common photography state.
Fig. 7 is the front view that the portable telephone of image unit 1, image unit 101 or image unit 151 has been carried in expression.
Fig. 8 is the stereographic map that the digital camera of image unit 1, image unit 101 or image unit 151 has been carried in expression.
Embodiment
Below, with reference to accompanying drawing, embodiments of the invention are described.
(first embodiment)
Fig. 1 is the side view of the image unit 1 that carried of lens displacing mechanism 10, and this lens displacing mechanism 10 is to use lens displacing mechanism of the present invention, and in an embodiment as focusing, Fig. 2 is the vertical view of image unit 1.
This image unit 1, have: by a plurality of single-lens lens units that constitute 2, with solid-state imager 3 with lens unit 2 imagings, with the lens displacing mechanism 10 that is used to make lens unit 2 to move along optical axis and 10 that be combined into by lens unit 2, solid-state imager 3 and lens displacing mechanism, as the main body 7 of fixed lens barrel.In addition, lens displacing mechanism 10 has guide rail 4, spring 5 and bar portion 6, and this guide rail 4 supports lens unit 2 as guide part, make lens unit 2 can be 3 approaching with respect to solid-state imager, leave; This spring 5 applies spring force as the force section, makes lens unit 2 near solid-state imager 3; This bar portion 6, the spring force of antagonistic spring 5 and being abutted against with lens unit 2.For understanding the inboard of main body 7 easily, in Fig. 1, illustrate the section of main body 7.
Solid-state imager 3 is installed on the inside bottom surface of main body 7, and the sensitive surface of this solid-state imager 3 points to peristome 7a.Solid-state imager 3, can be used as according to light income convert to electric signal photo-electric conversion element such as photodiode, phototransistor, be arranged in two-dimensional columns shape (for example rectangular, cellular) along sensitive surface.Solid-state imager 3, also can be to have the CCD type solid-state imager that the electric signal that has carried out opto-electronic conversion by photo-electric conversion element is carried out the CCD that electric charge transmits, also can be to have the electric signal that has been carried out opto-electronic conversion by the photo-electric conversion element CMOS type solid-state imager of the amplifier of amplification in addition.In addition, guide rail 4 is in fact perpendicular to the sensitive surface of solid-state imager 3.
Keeping frame 2d, is the big large cylinder portion of little little cylindrical portion of diameter and diameter to be formed make little cylindrical portion integrally formed on the end of large cylinder portion after concentric.The neighboring of single- lens 2a, 2b, 2c is fixed on the inner peripheral surface that keeps frame 2d, these single- lens 2a, 2b, 2c are fixed on after by aligning and keep on the frame 2d, specifically, any optical axis among single- lens 2a, 2b, the 2c all is consistent with the center line that keeps frame 2d.In addition, also can be arranged on the inboard that keeps frame 2d to aperture board with peristome of stipulating these single- lens 2a, 2b, all F numbers of 2c.
The shape of cross section of guide rail 4 is that any distance is different shapes (as polygon, non-circular) with distance from centroid of section to another point of outline limit, cross section to outline limit, cross section from centroid of section.The opening shape of through hole 2f, in fact the shape of cross section with this guide rail 4 is consistent, lens unit 2 is not the center rotation with the xsect center of gravity of guide rail 4.
Under the state that lens unit 2 is being supported on the guide rail 4, the optical axis of single- lens 2a, 2b, 2c in the sensitive surface of solid-state imager 3 in the heart, actual is to be vertical with sensitive surface, from solid-state imager 3, by the series arrangement of the 3rd single-lens 2c, the second single-lens 2b, the first single-lens 2a.
In the mobile range of lens unit 2, lens unit 2 is on the position of the most close solid-state imager 3, its single- lens 2a, 2b, 2c all can make picture, the imaging on solid-state imager 3 of the regulation object plane of leaving from lens unit 2, but single- lens 2a, 2b, 2c all can become pan focus state (Fig. 1 (b)).On the other hand, lens unit 2 in the mobile range of lens unit 2, leaving on solid-state imager 3 position farthest, the depth of field that all constitutes by these single- lens 2a, 2b, 2c, compare with the situation of pan focus state and to shoal, but, single- lens 2a, 2b, 2c are all, make than of picture on solid-state imager 3 imaging of afore mentioned rules object plane near the object plane of lens unit 2, by single- lens 2a, 2b, all field depths that forms of 2c, than more close solid-state imager 3 one sides of pan focus state (figure (a)).Below, the position of the most close solid-state imager 3 in the mobile range of lens unit 2 is called common camera positions, solid-state imager 3 position farthest of leaving in lens unit 2 mobile ranges is called close-shot shadow position.
One end of spring 5, to the nose of extension 2e, be connected with extension 2e, the other end of spring 5 links with the bottom surface of main body 7 from the through hole 2f of extension 2e.This spring 5, by extension 2e to keeping the frame 2d application of force, so that keep frame 2d, especially along the optical axis and the parallel direction application of force of single- lens 2a, 2b, 2c near solid-state imager 3.In addition, lens unit 2, even when being positioned at common camera positions, spring 5 is in than the long naturally state that prolongs, and always applies elastic force and makes lens unit 2 near solid-state imager 3.
On an end of the rod unit 6 that is positioned at main body 7 inboards, be formed with cam surface 6a.Fig. 3 is look up from the radius of turn side of rod unit 6 an end diagrammatic sketch of rod unit 6 of expression, and cam surface 6a when towards the bearing of trend of extension 2e (that is, rod unit 6 vertically) when seeing, is that the surfaces of revolution with respect to rod unit 6 tilts.That is, this cam surface 6a, the revolution direction of the rod unit 6 among its Fig. 2 be rotated counterclockwise side, than the surfaces of revolution height of rod unit 6, the dextrorotation of revolution direction change one's position and the surfaces of revolution of rod unit 6 same substantially high.In addition, because the axis of rotation of rod unit 6 becomes parallel with the optical axis of single- lens 2a, 2b, 2c, so the surfaces of revolution of rod unit 6 is vertical for the optical axis of single- lens 2a, 2b, 2c.
As Fig. 1～shown in Figure 3, the nose portion of above-mentioned extension 2e is abutted against mutually with this cam surface 6a, and this cam surface 6a accepts the elastic force that spring 5 is applied, and is supported the nose portion of described extension 2e by this cam surface 6a for the power of antagonistic spring 5.
In addition, the rotatable scope of rod unit 6, utilize not shown limiting mechanism (as the stop that can be abutted against with rod unit 6), be limited in being rotated counterclockwise the primary importance of the cam surface 6a end of side being abutted against mutually and play the second place that be abutted against mutually cam surface 6a end that extension 2e and the dextrorotation of revolution direction change one's position from extension 2e and the revolution direction of rod unit 6.
Below, describe with regard to the using method of the image unit 1 of the above formation and the effect of image unit 1.
At first, when the user with rod unit 6 when counter clockwise direction is rotated, extension 2e, the state that is abutted against with elastic force and cam surface 6a by spring 5 are along cam surface 6a, slide with respect to cam surface 6a, thereupon, lens unit 2 moves to the direction near solid-state imager 3.And shown in the double dot dash line as shown in Figure 3, extension 2e and cam surface 6a are abutted against the position, become the minimum second place that the revolution direction dextrorotation of rod unit 6 is changed one's position, and shown in Fig. 1 (b), lens unit 2 is positioned at common camera positions.Even lens unit 2 is positioned at common camera positions, spring 5 also is under the state than long prolongation naturally, by the direction application of force of 5 pairs of lens units 2 of spring to close solid-state imager 3, but, because extension 2e resists this elastic force and is abutted against mutually with cam surface 6a, so suppressed moving of lens unit 2.
Here, because the effect of spring 5, lens unit 2 is in by the state of the application of force, because of this power is born by cam 6a, so the optical axis of lens unit 2 by aligning in the sensitive surface of solid-state imager 3 in the heart, vertical with its sensitive surface, lens unit 2 can not rock like this.In addition, owing to lens unit 2 is pulled to solid-state imager 3 one sides by spring 5, so lens unit 2 can not move to the direction of leaving solid-state imager 3.
On the other hand, as user during to clockwise direction swingle parts 6, extension 2e is by the power of spring 5, to carry out relative slip with state that cam surface 6a is abutted against along cam surface 6a,, the power of lens unit 2 antagonistic springs 5, moves to the direction of leaving solid-state imager 3 thereupon.And shown in the solid line of Fig. 3, the position of being abutted against of extension 2e and cam surface 6a is the highest primary importance that the revolution direction of bar portion 6 is rotated counterclockwise side, and shown in Fig. 1 (a), lens unit 2 is positioned at close-shot shadow position.Even lens unit 2 is positioned at close-shot shadow position, because the effect of spring 5, also to the direction application of force of lens unit 2 to close solid-state imager 3, but owing to extension 2e is abutted against with cam surface 6a mutually for resisting its elastic force, so suppressed moving of lens unit 2.At this, the power of bearing spring 5 by cam surface 6a, so the optical axis of lens unit 2 by aligning at the sensitive surface center of solid-state imager 3 and vertical with its sensitive surface, like this, lens unit 2 can not rock.
As mentioned above, in the present embodiment, always the spring force by spring 5 acts on maintenance frame 2d, and cam surface 6a always antagonistic spring 5 power and be abutted against with extension 2e, therefore, lens unit 2 can not rock, and the optical axis of lens unit 2 can be by aligning at the sensitive surface center of solid-state imager 3 and vertical with its sensitive surface.In addition, this image unit 1 is the structure of having assembled lens unit 2, lens displacing mechanism 10 and solid-state imager 3, so this image unit 1 is small-sized imaging and camera head.In addition, when making image unit 1, to single- lens 2a, 2b, when 2c carries out aligning, though single- lens 2a, 2b, 2c are pushed to solid-state imager 3, because its load when pushing born by cam surface 6a, so lens unit 2 can not rock.
(second embodiment)
In above-mentioned first embodiment, the mobile range of lens unit 2 be from common camera positions to close-shot shadow position, but in a second embodiment, as shown in Figure 4, the mobile range of lens unit 2 is compared with first embodiment and is expanded solid-state imager 3 one sides to.At this, Fig. 4 has represented the side view with 101 part disconnections of the image unit among second embodiment.Followingly image unit 101 is described with reference to Fig. 4, on image unit 101, for the identical part mark and identical symbol of any part of the image unit 1 of first embodiment, and the explanation of omitting same section.
Shown in Fig. 4 (a), when lens unit 2 from solid-state imager 3 farthest the time, identical with the situation of first embodiment, be close-shot shadow position, shown in Fig. 4 (c), when the most close solid-state imager 3 of lens unit 2, the object plane that all forms by single- lens 2a, 2b, the 2c infinity that becomes, simultaneously, the imaging surface that is all formed by single- lens 2a, 2b, 2c becomes the sensitive surface of solid-state imager 3.That is, when the most close solid-state imager 3 of camera lens 2, all picture side focal length of the sensitive surface distance from all picture side interarea of single- lens 2a, 2b, 2c to solid-state imager 3 and single- lens 2a, 2b, 2c is unanimous on the whole.And, in a second embodiment, make the position of the solid-state imager 3 in the lens unit 2 the most close mobile ranges be called the infinity camera positions.In addition, although lens unit 2 is to be positioned on the infinity camera positions, spring 5 also is to be in than the long naturally state that prolongs, and the power of spring 5 can play a role in the direction that makes lens unit 2 near solid-state imager 3.
As shown in Figure 4, when lens unit 2 from the assigned position of infinity camera positions to close-shot shadow position the time, same with the situation of first embodiment, be common camera positions, single- lens 2a, 2b, 2c all become the pan focus state.
In addition, the mobile range of lens unit 2 is along with enlarging to solid-state imager 3 one sides than first embodiment, and the rotatable scope of rod unit 6 also enlarges to Zhou Fangxiang than first embodiment, and the scope of cam surface 6a also enlarges to Zhou Fangxiang simultaneously.
Below, effect and using method with regard to the image unit 101 of second embodiment describe, when the user rod unit 6 when clockwise direction is rotated, shown in the solid line of Fig. 5, the position of being abutted against of extension 2e and cam surface 6a is the highest point that the direction of rod unit 6 is rotated counterclockwise side, and lens unit 2 is positioned at close-shot shadow position.
And, when the user rod unit 6 when counter clockwise direction is rotated, shown in the dot-and-dash line of Fig. 5, the position of being abutted against of extension 2e and cam surface 6a is a assigned position between highest point and the lowest part, lens unit 2 is positioned at common camera positions.
And, when the user rod unit 6 further when counter clockwise direction is rotated, shown in the double dot dash line of Fig. 5, the position of being abutted against of extension 2e and cam surface 6a is a lowest part, lens unit 2 is positioned at the infinity camera positions.
(the 3rd embodiment)
In above-mentioned first embodiment, 5 pairs of lens units 2 of spring are near the direction application of force of solid-state imager 3, and cam surface 6a is with the state of solid-state imager 3 one sides that are configured in extension 2e, be abutted against mutually with extension 2e.And in the 3rd embodiment, as shown in Figure 6,5 pairs of lens units 2 of spring are to the direction application of force of leaving solid-state imager 3, and the cam surface 6a of rod unit 6 is abutted against with the state and the extension 2e of the side that is configured in the solid-state imager 3 that leaves extension 2e.Following with reference to Fig. 6, describe with regard to the image unit 151 of the 3rd embodiment, on image unit 151, indicate same-sign for the part identical, and omit the explanation of same section with any part of the image unit 1 of first embodiment.
On the image unit 151 of the 3rd embodiment, an end of spring 5 does not link with extension 2e, but is connected with nose portion on the second extension 2g.The other end of spring 5 main body 7 inboard be connected above the main body 7.The second extension 2g is integral setting with keeping frame 2d, and 2e compares with extension, and the second extension 2g is set at solid-state imager 3 one sides.And spring 5 passes through the second extension 2g to keeping the frame 2d application of force, so that keep frame 2d to leave solid-state imager 3.
In addition, extension 2e does not contact with cam surface 6a, with extension 2e in the face of the opposite side of solid-state imager 3 one sides on the protuberance 2j that forms, 6a is abutted against with cam surface.At this, the pars intermedia from cam surface 6a to the rod unit 6 the other end of the rod unit 6 in main body 7 outsides is supported on the upper end of guide rail 4 and can rotates freely around the axle center of the optical axis that is parallel to single- lens 2a, 2b, 2c.In addition, cam surface 6a, dextrorotation is changed one's position low, is rotated counterclockwise the side height.
Solid-state imager 3 is not fixed on the inside bottom surface of main body 7, and is fixed on below the outside of main body 7.And, below main body 7, be formed with the peristome 7b that connects to the outside from the inboard of main body 7, solid-state imager 3 relative with this peristome 7b to.The optical axis of lens unit 2 passes this peristome 7b, and the sensitive surface of solid-state imager 3 is vertical with the optical axis of camera lens 2.
Below, describe with regard to the effect of image unit 151.When the user with rod unit 6 when counter clockwise direction is rotated, the protuberance 2j of extension 2e is by the power of spring 5, under the state that is abutted against with cam surface 6a, along cam surface 6a and the slip carried out with respect to cam surface 6a, thereupon, lens unit 2 leaves solid-state imager 3.And the protuberance 2j of extension 2e and cam surface 6a are abutted against the position, are the minimum second place that the revolution direction dextrorotation of rod unit 6 is changed one's position, and shown in Fig. 6 (a), lens unit 2 is positioned at close-shot shadow position.Even lens unit 2 is positioned on the close-shot shadow position, spring 5 also is to be in than growing the state that prolongs naturally, effect by spring 5, lens unit 2 is forced in the direction of leaving solid-state imager 3, but extension 2e resists its elastic force will be abutted against mutually with cam surface 6a, has therefore suppressed moving of lens unit 2.
In addition, when the user with rod unit 6 when clockwise direction is rotated, the protuberance 2j of extension 2e is by the power of spring 5, under the state that is abutted against with cam surface 6a, slide with respect to cam surface 6a along cam surface 6a, thereupon, the power of lens unit 2 antagonistic springs 5 and to moving near the direction of solid-state image pickup 3.And the protuberance 2j of extension 2e and cam surface 6a are abutted against the position, and for the revolution direction of rod unit 6 is rotated counterclockwise the highest primary importance of side, as shown in Figure 6, lens unit 2 is positioned at common camera positions.Even lens unit 2 is positioned at common camera positions because the effect of spring 5, to lens unit 2 also to the direction application of force of leaving solid-state imager 3, but because extension 2e is anti-supports its elastic force and be abutted against with cam surface 6a, so suppressed moving of lens unit 2.
Among the 3rd embodiment owing to also be the power of bearing spring 5 by cam surface 6a, so, the optical axis of lens unit 2 by aligning in the sensitive surface of solid-state imager 3 in the heart and vertical with its sensitive surface, like this, lens unit 2 can not rock.In addition, when making image unit 151, utilizing attractor under the state that the direction of leaving solid-state imager 3 attracts lens unit 2, make lens unit 2 be positioned at common camera positions, adjust the aligning and the focus of lens unit 2 by the installation site of adjusting solid-state imager 3, but, the load during because of attraction is to be born by cam surface 6a, so keep frame 2d can not rock.
(application examples)
If above-described image unit 1,101,151 is carried the e-machine that the band camera-enabled so just can be provided on notebook computer, portable phone, portable terminal, e-dictionary, PDA (Personal Digital Assistant), electronic memo, digital camera, printer and other e-machines.
For example, Fig. 7 is the front view that portable telephone 201 any in image unit 1, image unit 101, the image unit 151 has been carried in expression.This portable telephone 201 is by hinge 204 lower house 203 to be attached at folding protable telephone on the upper shell 202 rotationally.Adorning image unit 1, image unit 101 or image unit 151 in this upper shell 202, lens unit 2 regards to the openning that forms on upper shell 202.In addition, the leading section of rod unit 6 protrudes laterally from upper shell 202, and like this, the user can control lever parts 6.In addition, be provided with shutter release button on upper shell 202, lower house 203 etc., when the user pressed shutter release button, solid-state imager 3 actions so just can obtain portrait by solid-state imager 3.
Fig. 8 is the stereographic map that digital camera 301 any in image unit 1, image unit 151, the image unit 201 has been carried in expression.Be contained in image unit 1, image unit 101 or the image unit 151 on the housing 302 of this digital camera 301, lens unit 2 regards to the openning that forms on housing 302.In addition, the leading section of rod unit 6 protrudes laterally from housing 302.In addition, be used for the shutter release button 304 that the power supply of digital camera 301 is implemented the power switch 303 of on-off and be used for carrying out camera work on digital camera 301 is set at above the housing 302, when the user makes digital camera 301 be in out state with power switch 303, as long as press shutter release button 304, solid-state imager 3 just carries out work and can obtain portrait.In addition, in the front of housing 302, be provided with flashlamp 305 and view finder 306.
The present invention is not limited only to the various embodiments described above and each application examples, as long as also can change design and carry out various changes in not breaking away from aim scope of the present invention.
In the various embodiments described above, lens displacing mechanism 10 focuses on by single-lens 2a, 2b, 2c are all moved to optical axis direction.But also can fix any one camera lens among single-lens 2a, 2b, the 2c, move the zoom mechanism that single-lens 2a, 2b, all focal lengths of 2c are changed to optical axis direction by making other camera lenses.For example, also can make single-lens 2a and keep frame 2d independence and be fixed on the main body 7, single-lens 2b, 2c are fixed on the maintenance frame 2d, and will keep frame 2d to be supported on the guide rail 4 at optical axis direction with moving freely with single-lens 2b, 2c.In this case, also the situation with the various embodiments described above is the same, keeps the frame 2d application of force by 5 pairs on spring, and cam surface 6a and extension 2e are abutted against and anti-power of supporting spring 5, so the optical axis of single-lens 2b, 2c is by two sides of aligning at solid-state imager 3 and single-lens 2a.In this case, single-lens 2a is first lens group, and single-lens 2b, 2c are second lens group, but, even under the situation more than two groups, as long as lens group is moved to optical axis direction, so, on the lens group that will move, just can use lens displacing mechanism of the present invention.
In addition, in the various embodiments described above,, also can keep frame 2d (comprising extension 2e) to go up the cam surface that forms with respect to the face tilt vertical with the optical axis of single- lens 2a, 2b, 2c though on rod unit 6, form cam surface 6a.In this case, the nose of bar portion 6 is abutted against mutually with the cam surface that keeps frame 2d, the power of antagonistic spring 5 is if but swingle parts 6 just can make lens unit 2 mobile on optical axis direction.
In addition, in the various embodiments described above, spring 5 is extension springs, but replace spring 5, the stage clip (situation of first embodiment, second embodiment) that makes lens unit 2 implement pressing force near solid-state imager 3 also can be set, in order to make lens unit 2 leave solid-state imager, also can use stage clip to substitute spring 5 (the 3rd embodiment).Under the situation of the application stage clip in first embodiment and second embodiment, one end of stage clip is attached on the extension 2e, the other end of stage clip be attached at main body 7 above, even lens unit 2 is positioned at common camera positions, stage clip also is in the state than long naturally compression.Under the situation of the application stage clip in the 3rd embodiment, an end of stage clip is attached on second extension, and the other end of stage clip is attached on the bottom surface of spring 5, even lens unit is positioned at close-shot shadow position, stage clip also is in than the long naturally state that compresses.
In the above-described embodiments, being example for lens unit 2 has been exemplified spring 5 to the optical axis direction application of force, but being not limited to spring 5, also can be that rubber and other can reach the elastomeric element of elastic deformation.
In addition, in the various embodiments described above, spring 5 is attached on the extension 2e, keeps frame 2d or extension 2e but also can link in the maintenance frame 2d of guide rail 4 side.
In addition, in the various embodiments described above,, extension 2e is slided with respect to cam surface 6a, so that lens unit 2 moves on optical axis direction by swingle parts 6.But also can extension 2e be slided with respect to cam surface 6a, lens unit 2 is moved to optical axis direction by rod unit 6 is all slided to the side towards the drawing perpendicular to Fig. 1 or Fig. 2.In addition, rod unit 6 can move freely, and extension 2e is moved with respect to cam surface 6a by rod unit 6 is moved to direction movably, as long as lens unit 2 moves to optical axis direction, the movable direction of rod unit 6, the shape of cam surface 6a just there is not specific restriction.But, if by cam surface 6a and extension 2e relative to slip lens unit 2 is moved to optical axis direction, so, must make the inclined light shaft of cam surface 6a at least with respect to lens unit 2.Any situation of no letter paper, cam surface 6a will be abutted against power with antagonistic spring 5 mutually with extension 2e.
Claims (14)
1. lens displacing mechanism is characterized in that:
Have: on the optical axis direction of described camera lens, with can move freely support to keep camera lens the maintenance frame guide part and
To described maintenance frame to the force section of side's application of force of the optical axis direction of described camera lens and
Be the rod unit that makes described maintenance frame on optical axis direction, move, can freely be provided with moving;
On one of them parts in described rod unit and the described maintenance frame, form cam surface with respect to the face tilt vertical with the optical axis of described camera lens;
Another parts in described rod unit and the described maintenance frame are resisted the power of described force section, are abutted against with described cam surface.
2. lens displacing mechanism as claimed in claim 1, it is characterized in that: described rod unit is set, makes it from the high position of the above cam surface of optical axis direction of described camera lens and position that described another parts are abutted against, to the lower position of the above cam surface of optical axis direction of described camera lens and position that described another parts are abutted against, can move freely.
3. image unit is characterized in that:
Have the described lens displacing mechanism of claim 1 and with the vertically disposed imaging apparatus of the optical axis of described camera lens.
4. image unit is characterized in that:
Have the described lens displacing mechanism of claim 2 and for and the vertically disposed imaging apparatus of the optical axis of described camera lens.
5. image unit as claimed in claim 3 is characterized in that: described force section to described maintenance frame near the direction application of force of imaging apparatus,
Described cam surface more is abutted against by the state and the extension of imaging apparatus one side to be set at than the extension that is integral setting with described maintenance frame.
6. image unit as claimed in claim 4 is characterized in that: described force section to described maintenance frame near the direction application of force of imaging apparatus,
Described cam surface more is abutted against by the state and the extension of imaging apparatus one side to be set at than the extension that is integral setting with described maintenance frame.
7. image unit as claimed in claim 3 is characterized in that: described force section to described maintenance frame to the direction application of force of leaving imaging apparatus,
Described cam surface is abutted against to be set at the state and the extension that more leave imaging apparatus one side than the extension that is integral setting with described maintenance frame.
8. image unit as claimed in claim 4 is characterized in that: described force section to described maintenance frame to the direction application of force of leaving imaging apparatus,
Described cam surface is abutted against to be set at the state and the extension that more leave imaging apparatus one side than the extension that is integral setting with described maintenance frame.
9. an e-machine is characterized in that: carried the described image unit of claim 3.
10. an e-machine is characterized in that: carried the described image unit of claim 4.
11. an e-machine is characterized in that: carried the described image unit of claim 5.
12. an e-machine is characterized in that: carried the described image unit of claim 6.
13. an e-machine is characterized in that: carried the described image unit of claim 7.
14. an e-machine is characterized in that: carried the described image unit of claim 8.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003159077 | 2003-06-04 | ||
| JP2003159077 | 2003-06-04 | ||
| JP2003385381 | 2003-11-14 | ||
| JP2003385381A JP3912365B2 (en) | 2003-06-04 | 2003-11-14 | Lens moving mechanism, imaging unit, and electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1573395A true CN1573395A (en) | 2005-02-02 |
| CN1277138C CN1277138C (en) | 2006-09-27 |
Family
ID=34196716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410048425 Expired - Fee Related CN1277138C (en) | 2003-06-04 | 2004-06-03 | Lens displacing mechanism, image pickup unit and electronic machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3912365B2 (en) |
| CN (1) | CN1277138C (en) |
| TW (1) | TWI288257B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540382A (en) * | 2010-12-08 | 2012-07-04 | 佳能企业股份有限公司 | Lens mechanism |
| CN105467542A (en) * | 2015-12-02 | 2016-04-06 | 中国科学院长春光学精密机械与物理研究所 | Side focusing device for dual-enclosed plane cam |
| CN109814320A (en) * | 2019-03-07 | 2019-05-28 | 北京空间机电研究所 | A kind of focus adjusting mechanism based on disc cam |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7170214B2 (en) * | 2003-09-08 | 2007-01-30 | New Scale Technologies, Inc. | Mechanism comprised of ultrasonic lead screw motor |
| KR101718490B1 (en) * | 2015-03-17 | 2017-03-21 | (주)이오시스템 | Thermal observation device |
| JP6432118B2 (en) * | 2016-10-31 | 2018-12-05 | Thk株式会社 | Lens movement mechanism |
-
2003
- 2003-11-14 JP JP2003385381A patent/JP3912365B2/en not_active Expired - Fee Related
-
2004
- 2004-06-03 TW TW93115904A patent/TWI288257B/en not_active IP Right Cessation
- 2004-06-03 CN CN 200410048425 patent/CN1277138C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540382A (en) * | 2010-12-08 | 2012-07-04 | 佳能企业股份有限公司 | Lens mechanism |
| CN105467542A (en) * | 2015-12-02 | 2016-04-06 | 中国科学院长春光学精密机械与物理研究所 | Side focusing device for dual-enclosed plane cam |
| CN105467542B (en) * | 2015-12-02 | 2017-09-12 | 中国科学院长春光学精密机械与物理研究所 | A kind of lateral focus control of dual sealing plane cam |
| CN109814320A (en) * | 2019-03-07 | 2019-05-28 | 北京空间机电研究所 | A kind of focus adjusting mechanism based on disc cam |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI288257B (en) | 2007-10-11 |
| JP2005018017A (en) | 2005-01-20 |
| TW200525202A (en) | 2005-08-01 |
| JP3912365B2 (en) | 2007-05-09 |
| CN1277138C (en) | 2006-09-27 |
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