CN103246042B - Camera lens mechanism and electronic device provided with camera lens mechanism - Google Patents
Camera lens mechanism and electronic device provided with camera lens mechanism Download PDFInfo
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- CN103246042B CN103246042B CN201210030581.4A CN201210030581A CN103246042B CN 103246042 B CN103246042 B CN 103246042B CN 201210030581 A CN201210030581 A CN 201210030581A CN 103246042 B CN103246042 B CN 103246042B
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Abstract
The invention discloses a camera lens mechanism and an electronic device provided with the camera lens mechanism, wherein the camera lens mechanism comprises a straight sleeve and a guiding piece; the straight sleeve comprises a first surface and a second surface opposite to each other, as well as backstop parts; a first backstop part is close to the second surface of the straight sleeve; the straight sleeve further comprises a first straight slot and a second straight slot; the first straight slot is provided with an opening in the first surface and the second surface respectively; the second straight slot extends for certain distance in the direction from the second surface to the first surface; the guiding piece comprises flanges and protruding parts; the flanges are arranged at one end of the guiding piece and slide in the first straight slot; and the protruding parts are arranged in the second straight slot.
Description
Technical field
The present invention relates to a kind of lens mechanism and there is the electronic installation of this lens mechanism, and increase the lens mechanism in optical zoom path in particular to a kind of and there is the electronic installation of this lens mechanism.
Background technology
Along with the progress of science and technology, digital vedio recording mechanism has been widely used in various digital product, such as, and digital camera, digital code camera, mobile phone, personal digital assistant (PDA) etc.Digital vedio recording mechanism comprises a lens mechanism and an image sensor.Image can be focused on image sensor by lens mechanism, then converts optical image signal to electronic signal by image sensor.
Traditional lens mechanism comprises multiple sleeve, and those sleeves carry out relative motion each other, and a straight sleeve of those sleeves has a groove, ditch slot definition one optical zoom path.By groove, those straight sleeves can carry out a relative rectilinear motion to change focal length.
But for the developing direction of lens mechanism in thickness more thinning, the straight path length constraint of straight sleeve, in the thickness of the sleeve that connects, makes the length in optical zoom path be limited to indirectly.
Summary of the invention
The object of the present invention is to provide a kind of lens mechanism and have the electronic installation of this lens mechanism, this lens mechanism has long optical zoom path.
According to one embodiment of the invention, a kind of lens mechanism is proposed.Lens mechanism comprises a straight sleeve and a guide member.Straight sleeve has a relative first surface and one second and comprises multiple straight groove group, and each straight groove group comprises the first straight groove, one second straight groove and one first stopper section.First straight groove respectively exposes an opening from first surface and second.Second straight groove extends one first distance from second toward the direction of first surface.First stopper section is arranged in the first straight groove.Guide member comprises the corresponding multiple guiding groups of groove group straight with those, and each guiding group comprises one first flange and a teat.First flange is located at one end of corresponding guiding group, and is assembled in slidably in the first corresponding straight groove.Teat is assembled in the second corresponding straight groove slidably.Wherein, this first distance is less than the spacing of first surface and second, and the first straight groove is communicated with the second straight groove.
According to another embodiment of the present invention, a kind of lens mechanism is proposed.Lens mechanism comprises a straight sleeve and a guide member.Straight sleeve has a relative first surface and one second and comprises one first stopper section.Straight sleeve also comprises one first straight groove and one second straight groove.First straight groove respectively exposes an opening from first surface and second.Second straight groove extends one first distance from second toward the direction of first surface.Guide member comprises one first flange and a teat.First flange is positioned at the first straight groove and slides.Teat is positioned at the second straight groove and slides.
According to another embodiment of the present invention, a kind of electronic installation is proposed.Electronic installation comprises aforesaid lens mechanism.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 illustrates the exploded view of the lens mechanism according to one embodiment of the invention;
Fig. 2 A illustrates the outside drawing of the straight sleeve of Fig. 1;
Fig. 2 B illustrates the cut-open view along direction 2B-2B ' in Fig. 2 A;
Fig. 3 A illustrates the cut-open view of the straight groove group according to another embodiment of the present invention;
Fig. 3 B illustrates the cut-open view of the teat of the guide member according to another embodiment of the present invention;
Fig. 4 illustrates the outside drawing of the guide member of Fig. 1;
The lens mechanism that 5A illustrates Fig. 1 is in the outside drawing of collapse state;
Fig. 5 B illustrates the outside drawing that the straight sleeve of Fig. 5 A and guide member are in wide-angle state;
Fig. 5 C illustrates the outside drawing that the straight sleeve of Fig. 5 B and guide member are in the state of looking in the distance;
Fig. 6 illustrates the stopper section outside drawing of the straight sleeve according to another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are described in detail:
Please refer to Fig. 1, it illustrates the exploded view of the lens mechanism according to one embodiment of the invention.Lens mechanism 100 can be widely used in the various electronic installation with image acquisition function, as digital camera, digital code camera, mobile phone or personal digital assistant (Personal Digital Assistant, PDA).
Lens mechanism 100 comprises straight sleeve 110, guide member 120, first sleeve 130 and the second sleeve 140.
First sleeve 130 comprises at least one straight groove 130r1 and at least one guide groove 130r2, and in the present embodiment, guide groove 130r2 is rotation slot.For illustrating the present embodiment, this sentences " rotation slot " represent sleeve can be allowed to carry out the groove structure of spinning movement, such as, guide groove 130r2 along and around Z axis extend, bootable connected sleeve like this carries out straight line and rotary motion.In addition, for illustrating the present embodiment, this sentences " straight groove ", and expression can allow sleeve carry out the groove structure of linearly operating, and such as, the straight groove 130r1 of the first sleeve 130 only extends along Z-axis direction, makes relative first sleeve 130 of guide member 120 carry out rectilinear motion.
First sleeve 130 can be subject to the driving of a drive sleeve (not illustrating), and drive sleeve carries out relative motion therewith, be such as carry out straight with rotational motion in one of at least.In the present embodiment, the first sleeve 130 illustrates to carry out translatory movement.
Second sleeve 140 comprises at least one guide groove 140r and at least one pilot pin 140p.Wherein, the pilot pin 140p of the second sleeve 140 is connected to the guide groove 130r2 of the first sleeve 130, and make when the first sleeve 130 carries out translatory movement along Z axis, the second sleeve 140 can carry out rotating and translatory movement.Wherein, Z-axis direction be such as sleeve central shaft to or the optical axis of lens mechanism 100.
Although figure does not paint formula, right lens mechanism 100 can comprise a mirror group, and it is configurable in straight sleeve 110.Wherein, mirror group is such as made up of at least one concave lens and/or convex lens.By the rectilinear motion of straight sleeve 110, the position of mirror group can be changed, and then change light focusing (focus) position.
Please refer to Fig. 2 A, it illustrates the outside drawing of the straight sleeve of Fig. 1.Straight sleeve 110 has two straight groove group 110r and relative first surface 110s1 and second 110s2 and comprises the first stopper section 111 and the second stopper section 112, wherein, contiguous second 110s2 configuration in first stopper section 111 and the second stopper section 112, such as, first stopper section 111 and the second stopper section 112 can be connected to second 110s2 (side of stopper section and second 110s2 substantial alignment, as coplanar), or only near but be not attached to second 110s2, or even protrude past second 110s2.By designing the position of the first stopper section 111 and the second stopper section 112, corresponding optical path length can be obtained, for example, when the first stopper section 111 and the second stopper section 112 are more near second 110s2, guide member 120 is longer with the relative movement length of straight sleeve 110, so can obtain longer optical path length.
In the present embodiment, the first stopper section 111 and the second stopper section 112 are for be oppositely disposed, and in another embodiment, straight sleeve 110 can omit the second stopper section 112.
As shown in Figure 2 A, in the present embodiment, two straight groove group 110r are relative configuration.Such as, 180 degree of central angles are pressed from both sides between two straight groove group 110r.In another embodiment, between two straight groove group 110r, folder is different from the central angle of 180 degree.In the present embodiment, the quantity of straight groove group 110r is two, and in another embodiment, the quantity of straight groove group 110r can be single or two or more.
As shown in Figure 2 A, each straight groove group 110r comprises the first straight groove 110r1 and the second straight groove 110r2 that are connected.Wherein, first straight groove 110r1 exposes the first opening 110a1 from first surface 110s1, and expose the second opening 110a2 from second 110s2, say further, the first straight groove 110r1 runs through straight sleeve 110 along the Width (being such as the direction of first surface 110s1 to the second 110s2) of straight sleeve 110.
As shown in Figure 2 A, the second straight groove 110r2 extends one first distance W2 from second 110s2 toward the direction of first surface 110s1, and this first distance W2 is less than the spacing W1 of first surface 110s1 and second 110s2, and forms stopper section 114.This stopper section 114 can the teat 123 (describing after holding) of backstop guide member 120, avoids guide member 120 and straight sleeve 110 to depart from.
Please refer to Fig. 2 B, it illustrates the cut-open view along direction 2B-2B ' in Fig. 2 A.In the present embodiment, straight sleeve 110 comprises trench bottom 113, first straight groove 110r extends to trench bottom 113 from the circumferential surface of the first sleeve 110, wherein, the second straight groove 110r2 of the first straight groove 110r extends a second distance H4 from the upper surface 113u of trench bottom 113 toward the lower surface 113b of trench bottom 113, this second distance H4 is less than the thickness T1 of trench bottom 113, and that is, the second straight groove 110r2 does not run through straight sleeve 110.Thus, the unlikely intensity of straight sleeve 110 that causes of the second straight groove 110r2 is too weak.
In another embodiment, although figure does not illustrate, right second straight groove 110r2 can run through straight sleeve 110 along the thickness direction of straight sleeve 110.Such as, the second straight groove 110r2 can run through the trench bottom 113 of Fig. 2 B.Again such as, the Lower Half thickness of the trench bottom 113 of Fig. 2 B can be omitted, to expose the second straight groove 110r2, under this design, the Lower Half thickness saved can make the internal space S (Fig. 2 A) of straight sleeve 110 increase, to promote the spatial match of the element (as optical element) be located in internal space S.
Please refer to the cut-open view that Fig. 3 A and Fig. 3 B, Fig. 3 A illustrates the straight groove group according to another embodiment of the present invention, Fig. 3 B illustrates the cut-open view of the teat of the guide member according to another embodiment of the present invention.
As shown in Figure 3A, second of straight groove group 110r2 the straight groove 210r2 comprises the first sub straight groove 210r21 and the second sub straight groove 210r22 that are connected.The groove width of the first sub straight groove 210r21 and the second sub straight groove 210r22 is different, and makes the second straight groove 210r2 form a T-slot.
As shown in Figure 3 B, teat 223 comprises the first sub-teat 2231 and the second sub-teat 2232.When the second sleeve 120 is connected on the first sleeve 110, the first sub-teat 2231 is connected in the first sub straight groove 210r21, and the second sub-teat 2232 is connected to the second sub straight groove 210r22.Groove width due to the first sub straight groove 210r21 is less than the groove width of the second sub straight groove 210r22, makes teat 223 stably slide on straight groove group 210r2 and can prevent lens barrel from deviating from because of drop impact.
As shown in Figure 3 B, the second sub-teat 2232 has a width W 1, its essence first-class in or be less than the groove width W2 (Fig. 3 A) of the second sub straight groove 210r22.First sub-teat 2231 has a width W 3, its essence first-class in or be less than the groove width W4 (Fig. 3 A) of the first sub straight groove 210r21.In one embodiment, the width W 1 of the second sub-teat 2232 is equal to or slightly less than in fact the groove width W2 of the second sub straight groove 210r22, under this design, the width W 3 of the first sub-teat 2231 can be less than the groove width W4 of the first sub straight groove 210r21, avoids excessively restraining the interference caused.In another embodiment, the width W 3 of the first sub-teat 2231 equals in fact or the groove width W4 of smaller first sub straight groove 210r21, under this design, the width W 1 of the second sub-teat 2232 can be less than the groove width W2 of the second sub straight groove 210r22, avoids excessively restraining the interference caused.
Please refer to Fig. 4, it illustrates the outside drawing of the guide member of Fig. 1.Guide member 120 comprises two guiding groups 120 ', and this two guidings group 120 ' is connected to two straight groove group 110r.In the present embodiment, two guiding groups 120 ' are relative configuration, such as, press from both sides 180 degree of central angles between two guiding groups 120 '.In another embodiment, between two guiding groups 120 ', the central angle being different from 180 degree can be pressed from both sides.In the present embodiment, the quantity of guiding group 120 ' is two, and in another embodiment, the quantity of guiding group 120 ' can be single or two or more.
Each guiding group 120 ' comprises the first flange 121, second flange 122 and teat 123.Wherein.First flange 121 be located at guiding group 120 ' one end 120s1 and slidably in the first straight groove 110r.
As shown in Figure 4, the first spacing H1 of the first flange 121 and the second flange 122 is greater than the second spacing H2 of the first stopper section 111 and the second stopper section 112.When guide member 120 and straight sleeve 110 relative sliding, the first flange 121 and the first stopper section 111 backstop each other, and avoid guide member 120 and straight sleeve 110 to depart from.
As shown in Figure 4, the first spacing H1 of the first flange 121 and the second flange 122 is slightly less than or equals in fact the groove width H3 of the first straight groove 110r1, so makes the first flange 121 and the second flange 122 can slide on the first straight groove 110r1 easily.
Teat 123 can be located in the second straight groove 110r2.When guide member 120 and straight sleeve 110 relative sliding, teat 123 can be subject to the backstop of the stopper section 114 of straight sleeve 110, and avoids guide member 120 and straight sleeve 110 to depart from.In another embodiment, guide member 120 can omit the second flange 122.
As shown in Figure 4, guide member 120 also comprises at least one pilot pin 125, and it can be connected to the straight groove 130r1 (Fig. 1) of the first sleeve 130.By straight groove 130r1, guide member 120 can carry out rectilinear motion by relative first sleeve 130.
As shown in Figure 4, each guiding group 120 ' also comprises extension 124, one end configuration of the first flange 121 and the contiguous extension 124 of the second flange 122, and the other end configuration of the contiguous extension 124 of teat 123.In addition, guide member 120 also comprises ring 126, and wherein ring 126 connects two guiding groups 120 '.
In summary, the first straight groove 110r1 is slided on by the first flange 121 and the second flange 122, and the teat 123 of guide member 120 slides on the second straight groove 110r2, make guide member 120 can carry out rectilinear motion by relatively straight sleeve 110, and protrude past the first surface 110s1 of straight sleeve 110 or protrude past second 110s2, to increase optical zoom path.
Please refer to Fig. 5 A, its lens mechanism illustrating Fig. 1 is in the outside drawing of collapse state.Guiding group 120 ' is connected to straight groove group 110r, makes the relative guide member 120 of straight sleeve 110 slidably.
Please refer to Fig. 5 B, it illustrates the outside drawing that the straight sleeve of Fig. 5 A and guide member are in wide-angle state.To rotate around positive Z axis at the second sleeve 140 (Fig. 1) and carry out along positive Z axis in the process of rectilinear motion, the straight sleeve 110 of Fig. 5 A relatively guide member 120 carries out translatory movement along negative Z axis, and guide member 120 and straight sleeve 110 can be made to be in wide-angle state as shown in Figure 5 B.
As shown in Figure 5 B, straight sleeve 110 relatively guide member 120 carry out in linear motion, the teat 123 due to guide member 120 is subject to the backstop of the stopper section 114 of straight sleeve 110, makes that straight sleeve 110 is unlikely to depart from guide member 120.
As shown in Figure 5 B, be converted into the process of wide-angle state (Fig. 5 B) with guide member 120 from collapse state (Fig. 5 A) at straight sleeve 110, although the first flange 121 of guide member 120 departs from the second flange 122 and the first straight groove 110r1, so because the teat 123 of guide member 120 still slides on the second straight groove 110r2, therefore straight sleeve 110 can carry out rectilinear motion along the relative guide member 120 of negative Z axis, and make guide member 120 protrude past the first surface 110s1 of straight sleeve 110, so can increase optical zoom path.
Please refer to Fig. 5 C, it illustrates the outside drawing that the straight sleeve of Fig. 5 B and guide member are in the state of looking in the distance.To rotate around positive Z axis at the second sleeve 140 (Fig. 1) and carry out along positive Z axis in the process of rectilinear motion, the straight sleeve 110 of Fig. 5 B relatively guide member 120 carries out rectilinear motion along positive Z axis, makes guide member 120 and straight sleeve 110 can be in state of looking in the distance as shown in Figure 5 C.
As shown in Figure 5 C, be converted into the process of look in the distance state (Fig. 5 C) with guide member 120 from wide-angle state (Fig. 5 B) at straight sleeve 110, although the teat 123 of guide member 120 departs from the second straight groove 110r2 of straight sleeve 110, so because the first flange 121 and the second flange 122 still slide on the first straight groove 110r1, therefore straight sleeve 110 can carry out translatory movement along positive Z axis relative to guide member 120 and protrude past one end 120s1 (or saying it is second 110s2 that guide member 120 protrudes past straight sleeve 110) of guide member 120, so can increase optical zoom path.
In addition, owing to pressing from both sides 180 degree of central angles between two guiding groups 120 ', make two guiding groups 120 ' clamp straight sleeve 110 just as card pincers, avoid straight sleeve 110 to depart from guide member 120.So this is not used to limit the embodiment of the present invention, illustrates below with Fig. 6.
Please refer to Fig. 6, it illustrates the stopper section outside drawing of the straight sleeve according to another embodiment of the present invention.In this embodiment, the first stop portion 111 of straight sleeve 110 also comprises holding section 1111, and it is connected to the first stop portion 111, and defines an accommodation space P with the first stop portion 111.When straight sleeve 110 is in the state of looking in the distance (Fig. 5 C) with guide member 120, first flange 121 can be placed in accommodation space P at least partially, to be subject to stop or the engaging of holding section 2111, guiding group 120 ' so can be avoided to depart from straight sleeve 110 along the radial direction (Y-direction) of straight sleeve 110.
Holding section 1111 can suitably be designed to more to grow or shorter.In one embodiment, the length of holding section 1111 can extend toward the direction of first surface 110s1 (first surface 110s1 is illustrated in Fig. 5 C), to increase accommodation space P.So, before teat 123 departs from the second straight groove 110r2, the first flange 121 can remain in accommodation space P, avoids guiding group 120 ' to depart from straight sleeve 110 along the radial direction of straight sleeve 110.
In addition, in the embodiment in fig 6, the quantity of guiding group 120 ' can be single, so also can be multiple.
Lens mechanism disclosed by the above embodiment of the present invention, the first straight groove is slided on by the first flange and the second flange, and the teat of guide member slides on the second straight groove, make guide member can carry out rectilinear motion by relatively straight sleeve, and protrude past the first surface of straight sleeve or protrude past second, to increase optical zoom path.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. a lens mechanism, is characterized in that, comprising:
One straight sleeve, have a relative first surface and one second and comprise multiple straight groove group, respectively this straight groove group comprises:
One first straight groove, respectively exposes an opening from this first surface and this second;
One second straight groove, extends one first distance from this second toward the direction of this first surface; And
One first stopper section, is arranged in this first straight groove; And
One guide member, comprise the corresponding multiple guiding groups configured of groove group straight with those, respectively this guiding group comprises:
One first flange, is located at one end of this corresponding guiding group, and in this first straight groove of correspondence slidably; And
One teat, is located at the other end of this corresponding guiding group, and in this second straight groove of correspondence slidably;
Wherein this first distance is less than this first surface and this spacing of second, and this first straight groove is communicated with this second straight groove.
2. a lens mechanism, is characterized in that, comprising:
One straight sleeve, have a relative first surface and one second, this straight sleeve also comprises:
One first straight groove, respectively exposes an opening from this first surface and this second;
One second straight groove, extends one first distance from this second toward the direction of this first surface; And
One first stopper section, is arranged in this first straight groove; And
One guide member, comprises a guiding group, and this guiding group comprises:
One first flange, is located at one end of this corresponding guiding group, and is positioned at this first straight groove; And
One teat, is located at the other end of this corresponding guiding group, and is positioned at this second straight groove;
Wherein this guide member is by this first stopper section and this teat and this straight sleeve relative sliding.
3. lens mechanism according to claim 2, is characterized in that, this second straight groove runs through this straight sleeve.
4. lens mechanism according to claim 2, is characterized in that, this second straight groove is a T-slot.
5. lens mechanism according to claim 1 and 2, is characterized in that, this straight sleeve comprises a trench bottom, and this first straight groove extends to this trench bottom, and this second straight groove extends a second distance from the upper surface of this trench bottom toward the lower surface of this trench bottom.
6. lens mechanism according to claim 5, is characterized in that, this second distance is less than the thickness of this trench bottom.
7. lens mechanism according to claim 2, is characterized in that, this straight sleeve also comprises:
One holding section, is connected to this first stopper section, to define an accommodation space with this first stopper section, is subject to the engaging of this holding section when this first flange is placed in this accommodation space.
8. the lens mechanism according to claim 2 or 7, it is characterized in that, this straight sleeve also comprises one second stopper section, and this guide member also comprises one second flange, this first stopper section and this second stopper section are for be oppositely disposed, and this first flange and this second flange are for be oppositely disposed.
9. lens mechanism according to claim 2, is characterized in that, this first distance is less than this first surface and this spacing of second.
10. an electronic installation, comprises lens mechanism as claimed in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210030581.4A CN103246042B (en) | 2012-02-10 | 2012-02-10 | Camera lens mechanism and electronic device provided with camera lens mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210030581.4A CN103246042B (en) | 2012-02-10 | 2012-02-10 | Camera lens mechanism and electronic device provided with camera lens mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN103246042A CN103246042A (en) | 2013-08-14 |
| CN103246042B true CN103246042B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210030581.4A Active CN103246042B (en) | 2012-02-10 | 2012-02-10 | Camera lens mechanism and electronic device provided with camera lens mechanism |
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| CN (1) | CN103246042B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016104547A1 (en) * | 2014-12-26 | 2016-06-30 | 株式会社ニコン | Lens barrel and camera |
| JP6546464B2 (en) | 2015-06-26 | 2019-07-17 | キヤノン株式会社 | Linear drive device and optical device using vibration wave motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591069A (en) * | 1998-09-09 | 2005-03-09 | 奥林巴斯株式会社 | Lens barrel |
| CN101373249A (en) * | 2007-08-22 | 2009-02-25 | 奥林巴斯映像株式会社 | Cam follower for lens barrel and lens barrel therewith |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4181896B2 (en) * | 2003-02-26 | 2008-11-19 | キヤノン株式会社 | Lens barrel and imaging device |
| WO2007052751A1 (en) * | 2005-11-04 | 2007-05-10 | Matsushita Electric Industrial Co., Ltd. | Imaging device and camera |
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2012
- 2012-02-10 CN CN201210030581.4A patent/CN103246042B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1591069A (en) * | 1998-09-09 | 2005-03-09 | 奥林巴斯株式会社 | Lens barrel |
| CN101373249A (en) * | 2007-08-22 | 2009-02-25 | 奥林巴斯映像株式会社 | Cam follower for lens barrel and lens barrel therewith |
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| CN103246042A (en) | 2013-08-14 |
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