CN103048762B - Lens mechanism - Google Patents
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- CN103048762B CN103048762B CN201110308371.2A CN201110308371A CN103048762B CN 103048762 B CN103048762 B CN 103048762B CN 201110308371 A CN201110308371 A CN 201110308371A CN 103048762 B CN103048762 B CN 103048762B
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Abstract
Lens mechanism, comprises the first sleeve, the second sleeve and the 3rd sleeve.First sleeve has the first guide groove and comprises the first pilot pin.Second sleeve has the second guide groove and comprises the second pilot pin.3rd sleeve has the 3rd guide groove.Wherein, first sleeve is sheathed on outside the 3rd sleeve rotationally, second sleeve is located in the 3rd sleeve and its second pilot pin slides along the 3rd guide groove of the 3rd sleeve and the first guide groove of the first sleeve, and the first pilot pin of the first sleeve slides along the second guide groove of the second sleeve.
Description
Technical field
The present invention relates to a kind of lens mechanism, and in particular to a kind of lens mechanism of many sleeves.
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, straight sleeve can carry out a rectilinear motion to change focal length.
But optical zoom path defines by means of only the groove of single straight sleeve, makes the limited length in optical zoom path.Therefore, the thickness that optical zoom path then needs to increase straight sleeve be increased, so can increase again the volume of digital vedio recording mechanism, reduce its product competitiveness.
Summary of the invention
The object of the present invention is to provide a kind of lens mechanism, in an embodiment, when not increasing sleeve thickness, the length in optical zoom path can be increased.
According to one embodiment of the invention, a kind of lens mechanism is proposed.Lens mechanism comprises one first sleeve, one second sleeve and one the 3rd sleeve.First sleeve has one first guide groove and comprises one first pilot pin.Second sleeve has one second guide groove and comprises one second pilot pin.3rd sleeve has one the 3rd guide groove.Wherein, first sleeve is sheathed on outside the 3rd sleeve rotationally, second sleeve is located in the 3rd sleeve and the second pilot pin of the second sleeve slides along the 3rd guide groove of the 3rd sleeve and the first guide groove of the first sleeve, and the first pilot pin of the first sleeve slides along the second guide groove of the second sleeve.
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 cut-open view of the image capture unit according to one embodiment of the invention;
Fig. 2 illustrates the exploded view of the lens mechanism according to one embodiment of the invention;
Fig. 3 illustrates the expansion schematic diagram of first sleeve of Fig. 2;
Fig. 4 illustrates the expansion schematic diagram of second sleeve of Fig. 2;
The schematic diagram in the optical zoom path that the second guide groove of the first guide groove and Fig. 4 that Fig. 5 illustrates Fig. 3 defines;
The lens mechanism that Fig. 6 A illustrates Fig. 2 is assembled in the cut-open view of a collapse state;
The second pilot pin that Fig. 6 B illustrates Fig. 6 A is positioned at the schematic diagram of first guide groove of Fig. 3;
The lens mechanism that Fig. 7 A illustrates Fig. 6 A is in the cut-open view of a wide-angle state;
The second pilot pin that Fig. 7 B illustrates Fig. 7 A is positioned at the schematic diagram of first guide groove of Fig. 3;
The lens mechanism that Fig. 8 A illustrates Fig. 7 A is converted into the cut-open view of the pilot process of the state of looking in the distance;
The second pilot pin that Fig. 8 B illustrates Fig. 8 A is positioned at the schematic diagram of first guide groove of Fig. 3;
The first pilot pin that Fig. 8 C illustrates Fig. 2 is positioned at the schematic diagram of second guide groove of Fig. 4;
The lens mechanism that Fig. 9 A illustrates Fig. 8 A is converted into the cut-open view of the state of looking in the distance;
The first pilot pin that Fig. 9 B illustrates Fig. 9 A is positioned at the schematic diagram of second guide groove of Fig. 4;
Figure 10 illustrates the stereographic map of second sleeve of Fig. 2;
Figure 11 illustrates the side view being in collapse state according to second sleeve of another embodiment of the present invention and the 3rd sleeve;
Figure 12 illustrates the side view that second sleeve of Figure 11 and the 3rd sleeve are in wide-angle state;
Figure 13 illustrates the side view that second sleeve of Figure 11 and the 3rd sleeve are in the state of looking in the distance.
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 cut-open view of the image capture unit according to one embodiment of the invention.Image capture unit 100 ' is the various electronic installations with image acquisition function, such as digital camera, digital code camera, mobile phone or personal digital assistant (Personal Digital Assistant, PDA).Image capture unit 100 ' comprises lens mechanism 100 and at least one lens 140.Lens 140 are such as concavees lens or convex lens.
As shown in Figure 1, lens mechanism 100 comprises the first sleeve 110, second sleeve 120 and the 3rd sleeve 130.Lens 140 are configurable in the second sleeve 120.By rotating the first sleeve 110, the second sleeve 120 can be driven to change the position of lens 140, the second sleeve 120 being converted in and folding (close) position, wide-angle (wide) position and look in the distance between (tele) position.Wherein, the first sleeve 110 can around the Z-axis direction rotate, and Z-axis direction is such as optical axis direction.
In addition, lens mechanism 100 can comprise other multiple sleeve 151,152,153 and 154, and sleeve 151 to 154 can carry out straight with rotational motion at least one; Or sleeve 151 can be fixed muffle, it to be fixed on casing or to be the part of casing.Two sleeves be connected respectively have guide groove and/or pilot pin, by the relative motion of guide groove and pilot pin, make two sleeves be connected carry out predetermined rotation and/or translatory movement.In one embodiment, the freedom of motion (DOF) of lens mechanism 100 is 1.The mode of motion of sleeve 151 to 154 is determined by the design of lens mechanism 100, and the present invention is not limited.In addition, sleeve 151 to 154 linkedly or can be fixedly connected at least one in the first sleeve 110, second sleeve 120 and the 3rd sleeve 130.
Please refer to Fig. 2, it illustrates the exploded view of the lens mechanism of Fig. 1.First sleeve 110 has at least one first guide groove 110r and comprises at least one first pilot pin 110p.Second sleeve 120 has at least one second guide groove 120r and comprises at least one second pilot pin 120p.3rd sleeve 130 has at least one 3rd guide groove 130r.In addition, the 3rd sleeve 130 can be fixedly arranged on the casing (not illustrating) of optical image acquiring lens head unit.
Please refer to Fig. 3 and Fig. 4, Fig. 3 illustrates the expansion schematic diagram of first sleeve of Fig. 1, and Fig. 4 illustrates the expansion schematic diagram of second sleeve of Fig. 1.The number of the first guide groove 110r, the second pilot pin 120p and the 3rd guide groove 130r (not being illustrated in Fig. 3 and Fig. 4) is corresponding, such as, be three or other arbitrary number.In addition, the number system of the first pilot pin 110p and the second guide groove 120r is corresponding, such as, be three or other arbitrary number.
In the present embodiment, the second guide groove 120r of the first guide groove 110r and the second sleeve 120 that are positioned at the first sleeve 110 defines a continuous optical zoom path.Say further, the first guide groove 110r and the second guide groove 120r is two curve guide grooves independent of each other.In zooming procedure, the first sleeve 110 can to rotate and/or straight relatively with the second sleeve 120.Under the first sleeve 110 and the second sleeve 120 are in a predetermined angle and position, the first guide groove 110r and the second guide groove 120r can connect into a continuous curve guide groove, to form optical zoom path.
Please refer to Fig. 5, the schematic diagram in the optical zoom path that the second guide groove of its first guide groove and Fig. 4 of illustrating Fig. 3 defines.When the first surface 110s1 of the first sleeve 110 is connected to the first surface 120s1 of the second sleeve 120, the first guide groove 110r can be connected to the second guide groove 120r and define optical zoom path.Better but non-exclusively, the first guide groove 110r and the junction of the second guide groove 120r are that smoothly (smoothly) is connected, i.e. non-violent turning point, the junction of the first guide groove 110r and the second guide groove 120r, so this is not used to limit the embodiment of the present invention.
Because this continuous optical zoom path can be defined by the guide groove of different sleeve, the length in continuous optical zoom path is increased.In addition, because continuous optical zoom path can be defined by the guide groove of different sleeve, can in growth or when maintaining former optical zoom path, the first sleeve 110, second sleeve 120 that design thickness is thinner and the 3rd sleeve 130, make the volume-diminished of lens mechanism 100 and weight saving.
Please refer to Fig. 6 A, its lens mechanism illustrating Fig. 2 is assembled in the cut-open view of a collapse state.First sleeve 110 is sheathed on outside the 3rd sleeve 130 rotationally.To be located in the 3rd sleeve 130 by the second sleeve 120 and the second pilot pin 120p of the second sleeve 120 can slide along the 3rd guide groove 130r of the first guide groove 110r of the first sleeve 110 and the 3rd sleeve 130.
As shown in Figure 6A, the first sleeve 110 comprises rotating part the 111, three sleeve 130 and comprises a rotating part 131, and rotating part 111 is connected to rotating part 131 rotationally, and the first sleeve 110 and the 3rd sleeve 130 can around the Z-axis direction be relatively rotated.In the present embodiment, rotating part 111 is such as chute, and rotating part 131 is such as slide rail.In another embodiment, rotating part 111 can be slide rail, and rotating part 131 can be chute.By the engaging of rotating part 111 with rotating part 131, make the first sleeve 110 and the 3rd sleeve 130 cannot along Z-axis direction relative translation.In addition, the second pilot pin 120p of the second sleeve 120 can slide along the first guide groove 110r of the 3rd guide groove 130r of the 3rd sleeve 130 and the first sleeve 110, therefore when the first sleeve 110 around the Z-axis direction is rotated, the second sleeve 120 can be straight along Z-axis direction.
As shown in Figure 6A, the second sleeve 120 has at least one breach 121.When lens mechanism is in collapse state, the first pilot pin 110p of the first sleeve 110 can be positioned at breach 121.Due to the design of breach 121, the second sleeve 120 can be made can not to interfere with the first pilot pin 110p.In another embodiment, also can omit breach 121, such as, be separated by between first sleeve 110 and the second sleeve 120 spacing, the first pilot pin 110p can be positioned at this spacing, thus, even if omit breach 121, second sleeve 120 also to interfere with the first pilot pin 110p.In addition, the quantity of breach 121 and the first pilot pin 110p is corresponding, such as, be three or other any number.
Please refer to Fig. 6 B, its second pilot pin illustrating Fig. 6 A is positioned at the schematic diagram of first guide groove of Fig. 3.First sleeve 110 has relative first surface 110s1 and second 110s2, and the first guide groove 110r extends to second 110s2 from first surface 110s1.First guide groove 110r can extend between first surface 110s1 and second 110s2 to and fro.In the present embodiment, first guide groove 110r comprises the first straight groove 110r1 and the first rotation slot 110r2, first straight groove 110r1 extends to the first rotation slot 110r2 from second 110s2 of the first sleeve 110, and the first rotation slot 110r2 extends to the first surface 110s1 of the first sleeve 110.In addition, the extension mode of the first guide groove 110r not limited by the embodiment of the present invention.
For illustrating the present embodiment, this sentences " straight groove ", and expression can allow sleeve carry out the groove structure of linearly operating, and " rotation slot " then represents the groove structure that sleeve can be allowed to carry out spinning movement.Such as, the first straight groove 110r1 only along Z-axis direction extend, therefore bootable connected sleeve carries out rectilinear motion, wherein, Z-axis direction be such as sleeve central shaft to; Again such as, the 4th sub-rotation slot 110r6 (Fig. 6 B) only extends therefore bootable connected sleeve around Z-axis direction and is rotated, and wherein " extends " also to say it is " the outer peripheral face direction along sleeve extends " around Z-axis direction; Again such as, the first sub-rotation slot 110r3 (Fig. 6 B) simultaneously along and extend around Z-axis direction, therefore bootable connected sleeve carries out straight line and rotary motion, but not in order to limit the present invention.
As shown in Figure 6B, the first rotation slot 110r2 comprises the first sub-rotation slot 110r3, the second sub-rotation slot 110r4, the 3rd sub-rotation slot 110r5 and the 4th sub-rotation slot 110r6.In the present embodiment, the 3rd sub-rotation slot 110r5 connects the first sub-rotation slot 110r3 and the first straight groove 110r1, makes the first straight groove 110r1 be connected to the first sub-rotation slot 110r3 by the 3rd sub-rotation slot 110r5.In another embodiment, the first rotation slot 110r2 also can omit the 3rd sub-rotation slot 110r5, so, the first straight groove 110r1 can be made directly to extend to the first sub-rotation slot 110r3 from second 110s2 of the first sleeve 110.In the present embodiment, the 4th sub-rotation slot 110r6 connects the first sub-rotation slot 110r3 and the second sub-rotation slot 110r4, makes the first sub-rotation slot 110r3 be connected to the second sub-rotation slot 110r4 by the 4th sub-rotation slot 110r6.In another embodiment, the first rotation slot 110r2 also can omit the 4th sub-rotation slot 110r6, so, the first sub-rotation slot 110r3 can be made to be directly connected in the second sub-rotation slot 110r4.
As shown in Figure 6B, when lens mechanism is in collapse state, the second pilot pin 120p of the second sleeve 120 is positioned at the first straight groove 110r1 or the first rotation slot 110r2 of the first sleeve 110, and the present embodiment is positioned at the 3rd sub-rotation slot 110r5 for example to illustrate.
As shown in Figure 6B, the second sub-rotation slot 110r4 extends to the first surface 110s1 of the first sleeve 110, wherein, presss from both sides an acute angle A1 between the first sub-rotation slot 110r3 and the second sub-rotation slot 110r4.Say further, the first sub-rotation slot 110r3 and the second sub-rotation slot 110r4 forms a V-type guide groove.In another embodiment, the first sub-rotation slot 110r3 substantially parallel to the second sub-rotation slot 110r4, and can form a U-shaped guide groove with the second sub-rotation slot 110r4.
As shown in Figure 6B, the first guide groove 110r has first end 110e1 and the second end 110e2.First end 110e1 and the first pilot pin 110p is adjacent to the same side of the first sleeve 110, as first surface 110s1.
As shown in Figure 6B, the first end 110e1 of the first guide groove 110r and the second end 110e2 extends to first surface 110s1 and second 110s2 of the first sleeve 110 respectively, and exposes opening in first surface 110s1 and second 110s2.Say further, the first guide groove 110r is the guide groove that two ends open.Because two ends of the first guide groove 110r are open, the second pilot pin 120p enters the first guide groove 110r by the opening of the first guide groove 110r, makes the second sleeve 120 be installed in the first sleeve 110 expediently.
Please refer to the cut-open view that lens mechanism that Fig. 7 A and Fig. 7 B, Fig. 7 A illustrates Fig. 6 A is in a wide-angle state, the second pilot pin that Fig. 7 B illustrates Fig. 7 A is positioned at the schematic diagram of first guide groove of Fig. 3.
As shown in Figure 7 A, turn in the process of Fig. 7 A at first sleeve 110 of Fig. 6 A, second pilot pin 120p of the second sleeve 120 slides along the 3rd guide groove 130r of the 3rd sleeve 130 and the first guide groove 110r of the first sleeve 110, and drives the second sleeve 120 straight toward negative Z-axis direction.Now the lens mechanism 100 of (Fig. 7 A) is in wide-angle state.Move to the process of the wide-angle position of Fig. 7 A at the second sleeve 120 from the stowed position of Fig. 6 A, second pilot pin 120p slides into the junction of the first sub-rotation slot 110r3 and the second sub-rotation slot 110r4 from the 3rd sub-rotation slot 110r5 (Fig. 6 B), such as, be the 4th sub-rotation slot 110r6 (Fig. 7 B).
Please refer to Fig. 8 A to Fig. 8 C, the lens mechanism that Fig. 8 A illustrates Fig. 7 A is converted into the cut-open view of the pilot process of the state of looking in the distance, the second pilot pin that Fig. 8 B illustrates Fig. 8 A is positioned at the schematic diagram of first guide groove of Fig. 3, and the first pilot pin that Fig. 8 C illustrates Fig. 2 is positioned at the schematic diagram of second guide groove of Fig. 4.
As shown in Figure 8 A, turn in the process of the position of Fig. 8 A at first sleeve 110 of Fig. 7 A, second pilot pin 120p of the second sleeve 120 slides along the 3rd guide groove 130r of the 3rd sleeve 130 and the first guide groove 110r of the first sleeve 110, and drives the second sleeve 120 toward the straight position to Fig. 8 A of positive Z-axis direction.Move to the process of the position of Fig. 8 A at the second sleeve 120 from the position of Fig. 7 A, the second pilot pin 120p (Fig. 7 B) slides into the first end 110e1 of the first guide groove 110r from the 4th sub-rotation slot 110r6, as shown in Figure 8 B.When the second sleeve 120 is rotated further, as shown in Figure 8 C, first pilot pin 110p of the first sleeve 110 then starts the second guide groove 120r entering the second sleeve 120, now, the second pilot pin 120p of Fig. 8 A can depart from the first guide groove 110r (it is outer that such as the second pilot pin 120p skids off the first sleeve 110), and so in another embodiment, the second pilot pin 120p also can keep being connected with the first guide groove 110r.
As shown in Figure 8 C, the second sleeve 120 has relative first surface 120s1 and second 120s2, and wherein the first surface 120s1 of the second sleeve 120 and first surface 110s1 (Fig. 2) of the first sleeve 110 is in fact towards same direction.Second guide groove 120r may extend to the one of first surface 120s1 and second 120s2, and in the present embodiment, the second guide groove 120r extends to first surface 120s1 for example to illustrate.That is, an opening can be exposed from first surface 120s1 in one end of the second guide groove 120r.
As shown in Figure 8 C, the second guide groove 120r comprises the second rotation slot 120r1 and the 4th rotation slot 120r2, and wherein the second rotation slot 120r1 is connected to the 4th rotation slot 120r2.Second rotation slot 120r1 extends to the 4th rotation slot 120r2 from the first surface 120s1 of the second sleeve 120 toward the direction of second 120s2.In another embodiment, the second guide groove 120r also can omit the 4th rotation slot 120r2.In addition, the extension mode of the second guide groove 120r not limited by the embodiment of the present invention.
Please refer to the cut-open view that the lens mechanism illustrating Fig. 8 A that Fig. 9 A and Fig. 9 B, Fig. 9 A illustrates Fig. 8 A is converted into the state of looking in the distance, the first pilot pin that Fig. 9 B illustrates Fig. 9 A is positioned at the schematic diagram of second guide groove of Fig. 4.Because the first pilot pin 110p of Fig. 9 A is covered by the second sleeve 120, therefore Fig. 9 A does not illustrate the first pilot pin 110p.
As shown in Figure 9 A, turn in the process of the position of Fig. 9 A at first sleeve 110 of Fig. 7 A, although the second pilot pin 120p of the second sleeve 120 departs from the first guide groove 110r of the first sleeve 110, but now (Fig. 8 C) first first pilot pin 110p of sleeve 110 enter the second guide groove 120r of the second sleeve 120 and can slide along the second guide groove 120r, so, the second sleeve 120 is made can to continue along Z-axis direction straight to the position of looking in the distance shown in Fig. 9 A.
As shown in Figure 9 B, when lens mechanism 100 be in look in the distance state time, the first pilot pin 110p is such as the 4th rotation slot 120r2 being positioned at the second guide groove 120r.
Please refer to Figure 10, it illustrates the stereographic map of second sleeve of Fig. 2.Second sleeve 120 does not also comprise at least one 4th guide groove 120r ', and the 3rd sleeve 130 also comprises at least one 3rd pilot pin 130p (Fig. 2).The quantity of the 3rd pilot pin 130p and the 4th guide groove 120r ' is corresponding, such as, be three or other arbitrary number.In another embodiment, the 3rd sleeve 130 also can omit the 4th guide groove 120r ' and the 3rd pilot pin 130p.Because the 3rd pilot pin 130p slides along the 4th guide groove 120r ', can limit the second sleeve 120 relative to the 3rd sleeve 130 is do not rotate, and below further illustrates.
4th guide groove 120r ' extends to second 120s2 from the first surface 120s1 of the second sleeve 120, makes two ends of the 4th guide groove 120r ' expose opening from first surface 120s1 and second 120s2 respectively.
As shown in Figure 10,4th guide groove 120r ' comprises the 3rd straight groove 120r1 ', the 4th straight groove 120r2 ' and the 3rd rotation slot 120r3 ', 3rd straight groove 120r1 ' extends to the 3rd rotation slot 120r3 ' from the first surface 120s1 of the second sleeve 120,3rd rotation slot 120r3 ' extends to the 4th straight groove 120r2 ' along the outer peripheral face direction of the second sleeve 120, and the 4th straight groove 120r2 ' extends to second 120s2 of the second sleeve 120.
Please refer to Figure 11, it illustrates the side view being in collapse state according to second sleeve 120 of another embodiment of the present invention and the 3rd sleeve 130.When lens mechanism 100 is in collapse state, although the second pilot pin 120p of the second sleeve 120 departs from the 3rd guide groove 130r of the 3rd sleeve 130, so because the 3rd pilot pin 130p still slides in the 4th guide groove 120r ' (the 3rd pilot pin 130p is subject to the restriction of the 4th guide groove 120r '), therefore the second sleeve 120 is to rotate relative to the 3rd sleeve 130.
Please refer to Figure 12, it illustrates the side view that second sleeve 120 of the 11st figure and the 3rd sleeve 130 are in wide-angle state.When lens mechanism 100 is in wide-angle state, although the 3rd pilot pin 130p departs from the 4th guide groove 120r ', second pilot pin 120p of right second sleeve 120 still slides in the 3rd guide groove 130r of the 3rd sleeve 130, therefore the second sleeve 120 is to rotate relative to the 3rd sleeve 130.
Please refer to Figure 13, it illustrates the side view that second sleeve 120 of Figure 11 and the 3rd sleeve 130 are in the state of looking in the distance.As shown in figure 12, when lens mechanism 100 be in look in the distance state time, although the second pilot pin 120p of the second sleeve 120 departs from the 3rd guide groove 130r of the 3rd sleeve 130, so because the 3rd pilot pin 130p still slides in the 4th guide groove 120r ', therefore the second sleeve 120 is to rotate relative to the 3rd sleeve 130.
Shown in Figure 13, when lens mechanism 100 is in the state of looking in the distance, the 3rd pilot pin 130p can be positioned at the 3rd straight groove 120r1 ' of the 4th guide groove 120r ' and the junction of the 3rd rotation slot 120r3 ', such as, be positioned at the 3rd straight groove 120r1 '.In the present embodiment, the 3rd pilot pin 130p can enter from the 4th straight groove 120r2 ', and the 3rd sleeve 130 is installed on the second sleeve 120 expediently.
Comprehensively above-mentioned, in the process that relative 3rd sleeve 130 of the second sleeve 120 moves, be not that the second pilot pin 120p of the second sleeve 120 slides along the 3rd guide groove 130r of the 3rd sleeve 130, the 3rd pilot pin 130p being exactly the 3rd sleeve 130 slides along the second guide groove 120r of the second sleeve 120.In another embodiment, the second pilot pin 120p of the second sleeve 120 slides along the 3rd guide groove 130r of the 3rd sleeve 130 and the 3rd pilot pin 130p of the 3rd sleeve 130 slides can occur simultaneously along the second guide groove 120r of the second sleeve 120.
Lens mechanism disclosed by the above embodiment of the present invention, because continuous optical zoom path can be defined by the guide groove of different sleeve, makes the length in continuous optical zoom path increase.In addition, because continuous optical zoom path can be defined by the guide groove of different sleeve, can in growth or when maintaining former optical zoom path, the first sleeve that design thickness is thinner, the second sleeve and the 3rd sleeve, make the volume-diminished of lens mechanism and weight saving.
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 (9)
1. a lens mechanism, is characterized in that, comprising:
One first sleeve, has one first guide groove and one first pilot pin;
One second sleeve, has one second guide groove and one second pilot pin, and this second guide groove and this first guide groove define an optical zoom path; And
One the 3rd sleeve, has one the 3rd guide groove;
Wherein, this first sleeve is sheathed on outside the 3rd sleeve rotationally, this second sleeve is located in the 3rd sleeve, and this second pilot pin of this second sleeve slides along this first guide groove of the 3rd guide groove of the 3rd sleeve and this first sleeve, or this first pilot pin of this first sleeve slides along this second guide groove of this second sleeve.
2. lens mechanism according to claim 1, is characterized in that, when this second pilot pin of this second sleeve departs from this first guide groove of this first sleeve, this first pilot pin of this first sleeve enters this second guide groove of this second sleeve.
3. lens mechanism according to claim 1, it is characterized in that, this first sleeve has a relative first surface and one second, this first guide groove extends to this second from this first surface, and this first guide groove comprises one first straight groove and one first rotation slot, this first straight groove extends to this first rotation slot from this second face of this first sleeve, and this first rotation slot extends to this first surface of this first sleeve.
4. lens mechanism according to claim 3, it is characterized in that, this first rotation slot comprises one first sub-rotation slot and one second sub-rotation slot, this first straight groove extends to this first sub-rotation slot from this second face of this first sleeve, this first sub-rotation slot is connected to this second sub-rotation slot, this the second sub-rotation slot extends to this first surface of this first sleeve, and presss from both sides an acute angle between this first sub-rotation slot and this second sub-rotation slot.
5. lens mechanism according to claim 4, it is characterized in that, this first rotation slot also comprises one the 3rd sub-rotation slot and one the 4th sub-rotation slot, 3rd sub-rotation slot connects this first sub-rotation slot and this first straight groove, and the 4th sub-rotation slot connects this first sub-rotation slot and this second sub-rotation slot.
6. lens mechanism according to claim 1, is characterized in that, this second sleeve has a relative first surface and one second, this second guide groove extend to this first surface and this second one of.
7. lens mechanism according to claim 1, it is characterized in that, this second sleeve has a relative first surface and one second, this first guide groove has a first end, this first end and this first pilot pin are adjacent to the same side of this first sleeve, and this second guide groove comprises one second rotation slot and one the 4th rotation slot, this second rotation slot is connected to the 4th rotation slot, and this second rotation slot extends to the 4th rotation slot from this first surface toward this direction of second.
8. lens mechanism according to claim 1, is characterized in that, this second sleeve also comprises one the 4th guide groove, and the 3rd sleeve also comprises one the 3rd pilot pin, and the 3rd pilot pin slides along the 4th guide groove.
9. lens mechanism according to claim 8, it is characterized in that, this second sleeve has a relative first surface and one second, 4th guide groove extends to this second from this first surface, and the 4th guide groove comprises one the 3rd straight groove, one the 4th straight groove and one the 3rd rotation slot, 3rd straight groove extends to the 3rd rotation slot from this first surface of this second sleeve, 3rd rotation slot extends to the 4th straight groove along the side face direction of this second sleeve, and the 4th straight groove extends to this second of this second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308371.2A CN103048762B (en) | 2011-10-12 | 2011-10-12 | Lens mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308371.2A CN103048762B (en) | 2011-10-12 | 2011-10-12 | Lens mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103048762A CN103048762A (en) | 2013-04-17 |
| CN103048762B true CN103048762B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110308371.2A Active CN103048762B (en) | 2011-10-12 | 2011-10-12 | Lens mechanism |
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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 |
| CN101271184A (en) * | 2007-03-21 | 2008-09-24 | 亚洲光学股份有限公司 | Barrel member group and lens capable of intensifying impact bearing |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004170772A (en) * | 2002-11-21 | 2004-06-17 | Chinontec Kk | Zoom lens barrel |
| TW200807048A (en) * | 2006-07-18 | 2008-02-01 | Asia Optical Co Inc | Lens barrel set and lens barrel with higher impact resistance |
-
2011
- 2011-10-12 CN CN201110308371.2A patent/CN103048762B/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 |
| CN101271184A (en) * | 2007-03-21 | 2008-09-24 | 亚洲光学股份有限公司 | Barrel member group and lens capable of intensifying impact bearing |
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| Publication number | Publication date |
|---|---|
| CN103048762A (en) | 2013-04-17 |
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