CN103364917B - The slimming dolly camera of zoom stroke can be strengthened - Google Patents
The slimming dolly camera of zoom stroke can be strengthened Download PDFInfo
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- CN103364917B CN103364917B CN201210104909.2A CN201210104909A CN103364917B CN 103364917 B CN103364917 B CN 103364917B CN 201210104909 A CN201210104909 A CN 201210104909A CN 103364917 B CN103364917 B CN 103364917B
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Abstract
The present invention relates to a kind of slimming dolly camera strengthening zoom stroke, comprise base cylinder, to be arranged in this base cylinder and there is the first straight cylinder, first cam canister and the first mirror group's first moves combination, to be arranged in this base cylinder and there is the second straight cylinder, second cam canister and the second mirror group's second moves combination, be sheathed on the revolving drum outside this base cylinder, drive combination, and driven combination, this is first years old, two cam canisters are along this axial connection slidably and around this axially with dynamic, this driving combination with this driven combination independently drive this first, two move combination, allow this first, two straight cylinders can independently move vertically, and strengthen this first, zoom stroke between two mirror groups.
Description
Technical field
The invention relates to a kind of camera lens, refer to a kind of slimming dolly camera strengthening zoom stroke especially.
Background technology
As Fig. 1, 2, shown in 3, for known one can be stretched along an axial X dolly camera of zoom (Zooming), this dolly camera comprises base cylinder 1, be sheathed on the revolving drum 2 outside this base cylinder 1 rotationally, be arranged at the cam canister 3 in this base cylinder 1 rotationally, this base cylinder 1 is connected to slidably and along this axial X with dynamic the first straight cylinder 4 being connected to this cam canister 3 along this axial X, this base cylinder 1 is connected to slidably and along this axial X with dynamic the second straight cylinder 5 being connected to this cam canister 3 along this axial X, the first mirror group 6 of this first straight cylinder 4 is connected to slidably along this axial X, and the second mirror group 7 of this second straight cylinder 5 is connected to slidably along this axial X, this cam canister 3 has multiple the first cam ditch 301 being arranged at outside, and multiple the second cam ditch 302 being arranged at inner side, this the first mirror group 6 has multiple the first pilot pin 601 be connected with these the first cam ditches 301 respectively, this the second mirror group 7 has multiple the second pilot pin 701 be connected with these the second cam ditches 302 respectively.
By this, as shown in Figure 1,3, when carrying out looking in the distance shooting for this dolly camera of use, be utilize motor (not shown) to drive this revolving drum 2 and drive this cam canister 3 to rotate around this axial X, this cam canister 3 and this first and second straight cylinder 4,5 are synchronously moved along this axial X towards subject; In the process, first and second pilot pin 601,701 of this first and second mirror group unit 6,7 can move along these first and second cam ditches 301,302 respectively, this the first mirror group 6 is moved respectively, until this first and second mirror group 6,7 is positioned at position of looking in the distance contiguous mutually towards subject along this axial X with this second mirror group 7.
On the contrary, as shown in Figure 1, 2, when using this dolly camera to carry out wide angle shot, that this cam canister 3 is rotated around this axial X equally, with make this make this first mirror group 6 and the second mirror group 7 along this axial X respectively near with away from subject, until this first and second mirror group 6,7 be positioned at mutually away from wide-angle position.
This kind of dolly camera this first, two straight cylinders 4, 5 are and this cam canister 3 synchronizing moving, this is first years old, two straight cylinders 4, no matter the spacing H between 5 is constant at this look in the distance position or this wide-angle position, therefore, this is first years old, two mirror groups 6, maximum zoom stroke between 7, be depend on these first, two cam ditches 301, maximum spacing between 302 on this axial X, namely be limited to the overall height of this cam canister 3 on this axial X, in brief, this kind of dolly camera is to increase maximum zoom stroke, just only have overall height one way strengthening this cam canister 3 feasible, but, this measure but can make the whole height of this kind of dolly camera when standby obviously increase, and take up space, be not inconsistent compact design requirement.
In addition, such as TaiWan, China patent of invention case discloses No. 201013247 disclose a kind of can the dolly camera of anti-stopping leak light, because two mirror group unit is all the cam ditches be connected inside its cam canister, therefore, only need utilize a straight cylinder can be straight to guiding these two mirror group units respectively, but its maximum zoom stroke can be limited to its cam canister overall height in the axial direction equally, and can produce same problem.
Summary of the invention
The technical problem to be solved in the present invention is, for dolly camera of the prior art when needing to increase maximum zoom stroke, the defect of the overall height of cam canister can only be strengthened, a kind of slimming dolly camera that can not increase the strengthened zoom stroke of whole height is provided.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of slimming dolly camera strengthening zoom stroke, comprises base cylinder, first and moves combination, second and move combination, revolving drum, driving combination, and driven combination.This first moves combination and is arranged in this base cylinder, and have axially be connected to this base cylinder slidably along one the first straight cylinder, can around this axial rotation and along this axis together dynamic the first cam canister being connected to this first straight cylinder, and the first mirror group of this first straight cylinder is connected to slidably along this axis, this first cam canister has multiple first cam ditch, and this first mirror group has multiple the first pilot pin be connected respectively in these the first cam ditches.This second moves combination and is arranged in this base cylinder, and have along this axis be connected to slidably this base cylinder the second straight cylinder, can around this axial rotation and along this axis with dynamic the second cam canister being connected to this second straight cylinder, and the second mirror group of this second straight cylinder is connected to slidably along this axis, this second cam canister has multiple second cam ditch, this the second mirror group has multiple the second pilot pin be connected respectively in these the second cam ditches, wherein, this first and second cam canister is along this axial connection slidably and around this axially with dynamic.This revolving drum is sheathed on outside this base cylinder rotationally.This driving combination has multiple axis being arranged at this revolving drum and drives ditch, multiple the first cam rail being arranged at this base cylinder, and multiple be arranged at this first cam canister and be each passed through these first cam rails to these the first sliding pins axially driving ditch to be connected.This driven combination has multiple the second cam rail being arranged at this revolving drum, and multiple the second sliding pin being arranged at this second straight cylinder and being also connected with these second cam rails respectively.
Implement the slimming dolly camera strengthening zoom stroke of the present invention, there is following beneficial effect: not only can effectively strengthen zoom stroke, and whole height when can not increase standby.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of known a kind of dolly camera;
Fig. 2 is the combination cross-sectional schematic of this dolly camera at wide-angle position;
Fig. 3 is that this dolly camera is visible the combination cross-sectional schematic of distant positions;
Fig. 4 is the three-dimensional appearance schematic diagram strengthening slimming dolly camera first preferred embodiment of zoom stroke of the present invention;
Fig. 5 is the perspective exploded view of this first preferred embodiment;
Fig. 6 is the base cylinder of this first preferred embodiment and the perspective exploded view of revolving drum;
Fig. 7 is the perspective exploded view that combination is moved in first of this first preferred embodiment;
Fig. 8 is that this first preferred embodiment is visible the combination cross-sectional schematic of distant positions, and this first annexation moving combination is described;
Fig. 9 is the perspective exploded view that combination is moved in second of this first preferred embodiment;
Figure 10 is the combination cross-sectional schematic of this first preferred embodiment in this position of looking in the distance, and this second annexation moving combination is described;
Figure 11 is the combination cross-sectional schematic of this first preferred embodiment in this position of looking in the distance, and this second annexation moving combination is described;
Figure 12 is the perspective exploded view of the driving combination of this first preferred embodiment;
Figure 13 is the combination cross-sectional schematic of this first preferred embodiment in this position of looking in the distance, and the annexation that this driving is combined is described;
Figure 14 is the perspective exploded view of the driven combination of this first preferred embodiment;
Figure 15 is the combination cross-sectional schematic of this first preferred embodiment in this position of looking in the distance, and the annexation of this driven combination is described;
Figure 16 is the combination cross-sectional schematic of this first preferred embodiment at wide-angle position, and the annexation that this driving is combined is described;
Figure 17 is the combination cross-sectional schematic of this first preferred embodiment at this wide-angle position, and the annexation of this driven combination is described;
Figure 18 is the combination cross-sectional schematic of this first preferred embodiment at this wide-angle position, and this first annexation moving combination is described;
Figure 19 is the combination cross-sectional schematic of this first preferred embodiment at this wide-angle position, and this second annexation moving combination is described;
Figure 20 is the perspective exploded view strengthening slimming dolly camera second preferred embodiment of zoom stroke of the present invention;
The perspective exploded view that Figure 21 is the revolving drum of this second preferred embodiment, base cylinder and second moves the second straight cylinder of combination;
Figure 22 is that this second preferred embodiment is visible the combination cross-sectional schematic of distant positions, and this second annexation moving combination is described;
Figure 23 is the perspective exploded view that the first cam canister of combination is moved in the driven combination and first of this second preferred embodiment;
Figure 24 is the combination cross-sectional schematic of this second preferred embodiment in this position of looking in the distance, and the annexation of this driven combination is described;
Figure 25 is the combination cross-sectional schematic of this second preferred embodiment at wide-angle position, and this second annexation moving combination is described; And
Figure 26 is the combination cross-sectional schematic of this second preferred embodiment at this wide-angle position, and the annexation of this driven combination is described.
Embodiment
Aforementioned and other technology contents, feature and effect for the present invention, in the detailed description of two preferred embodiments of following cooperation accompanying drawing, can clearly understand.
Before proposition describes in detail, it should be noted that in the following description, similar assembly represents with identical numbering.
Consult Fig. 4,5, the first preferred embodiment of the slimming dolly camera of zoom stroke can be strengthened for the present invention, this slimming dolly camera that can strengthen zoom stroke can to stretch zoom by X vertically, and comprise: base cylinder 10, first moves combination 20, second and moves combination 30, revolving drum 40, drives combination 50, and driven combination 60.
As shown in Figure 6, this base cylinder 10 has barrel 11, is multiplely arranged at intervals at this barrel 11 inner peripheral surface and the first straight track 12 extended along this axial X around this axial X, and is multiplely arranged at intervals at this barrel 11 side face and the second straight track 13 extended along this axial X around this axial X.
As shown in Figure 7,8, this first moves combination 20 and is arranged in this base cylinder 10, and have along this axial X be connected to slidably this base cylinder 10 the first straight cylinder 21, can to rotate around this axial X and along this axial X with dynamic the first cam canister 22 being connected to this first straight cylinder 21, and be connected to the first mirror group 23 of this first straight cylinder 21 slidably along this axial X.
This first straight cylinder 21 have the first straight barrel 211, multiple arrange around this axial X interval and sliding with these first straight tracks 12 respectively first straight piece 212, be multiplely along the circumferential direction arranged at the sliding ditch 213 of first inside these first straight piece 212 respectively, and be multiplely arranged at intervals at the inner peripheral surface of this first straight barrel 211 and the first guide channel 214 extended along this axial X around this axial X.In the present embodiment, these first straight piece 212 is arranged at this barrel 211 root edge respectively and extends down.
Annular flange flange wall 222, multiple outer peripheral face first cam ditch 223 being arranged at this first cam barrel 221 respectively that this first cam canister 22 has the first cam barrel 221, extends outwardly out from this first cam barrel 221 root edge, and be multiplely arranged at intervals at the inner peripheral surface of this first cam barrel 211 and the driving slide block 224 extended along this axial X around this axial X.
This annular flange flange wall 222 along the circumferential direction slips with these the first cunning ditches 213, and this first cam canister 22 can be rotated relative to this first straight cylinder 21 around this axial X, and can move together along this axial X and this first straight cylinder 21.
This first mirror group 23 have first group of frame 231, multiple be arranged at these first group of frame 231 respectively inner peripheral surface and the first pilot pin 232 be connected respectively in these the first cam ditches 223, and be multiplely arranged at intervals at the outer peripheral face of these first group of frame 231 and the first sliding with these first guide channels 214 respectively guide block 233 around this axial X.
When this first cam canister 22 rotates relative to this first straight cylinder 21, first pilot pin 232 of this first mirror group 23 can slide along the first cam ditch 223 of this first cam canister 22 respectively, simultaneously, first guide block 233 of this first mirror group 23 can move along the first guide channel 214 of this first straight cylinder 21 respectively, so, this first mirror group 23 can be made to produce action along the forward and backward movement of this axial X.
As shown in Fig. 9,10,11, this second moves combination 30 and is arranged in this base cylinder 10, and have along this axial X be connected to slidably this base cylinder 10 the second straight cylinder 31, can to rotate around this axial X and along this axial X with dynamic the second cam canister 32 being connected to this second straight cylinder 31, and be connected to the second mirror group 33 of this second straight cylinder 31 slidably along this axial X.Wherein, this first and second cam canister 22,32 connects slidably along this axial X and moves together around this axial X.
In the present embodiment, this first and second move combination 20,30 putting in order diametrically and be sequentially this first straight cylinder 21, this first mirror group 23, this first cam canister 22, this second cam canister 32, this second straight cylinder 31 and this second mirror group 33 from outside to inside.
This second straight cylinder 31 has 311, two, base ring wall and is arranged at intervals at this base ring wall 311 and is respectively arranged at these second guide block 312 tops and the spacing block set 313 that radially outwardly protrude along the second guide block 312, two that this axial X extends upward, and is multiplely arranged at intervals at this base ring wall 311 and sliding with these second straight tracks 13 respectively second straight piece 314 around this axial X.
This second cam canister 32 have the second cam barrel 321, multiple be arranged at the inner peripheral surface of this second cam barrel 321 respectively the second cam ditch 322, multiple around this axial X be arranged at intervals at this second cam barrel 321 outer peripheral face and along this axial X extend by the sliding ditch 323 of driving.
This second cam barrel 321 has apical ring edge 324, and base ring edge 325.In the present embodiment, this the second cam barrel 321 on this axial X between these spacing block sets 313 and this base ring wall 311, this apical ring edge 324 along the circumferential direction slips with the bottom surface of these spacing block sets 313, this base ring edge 325 along the circumferential direction slips with the end face of this base ring wall 311, so, this second cam canister 32 can be made can to rotate relative to this second straight cylinder 31 around this axial X, and can move together along this axial X and this first straight cylinder 31.
In the present embodiment, the driving slide block 224 of this first cam canister 22 is driven sliding ditch 323 to slip respectively with these, so, when this first cam canister 22 rotates around this axial X, this first cam canister 22 can drive slide block 224 to be driven being connected of sliding ditch 323 with these through these, and drive this second cam canister 32 synchronous axial system, in addition, when this first, two cam canisters 22, 32 for during along this axial X generation relative movement, these drive slide blocks 224 and these to be driven sliding ditch 323 again can along this axial X relative sliding, and allow this first, two cam canisters 22, 32 can relative sliding on this axial X.
This second mirror group 33 have second group of frame 331, multiple be arranged at these second group of frame 331 respectively outer peripheral face and the second pilot pin 332 be connected respectively in these the second cam ditches 322, and two outer peripheral faces being arranged at intervals at these second group of frame 321 the second guide channel 333 extended along this axial X, these second guide blocks 312 slip with these second guide channels 333 respectively.
When this second cam canister 32 rotates relative to this second straight cylinder 31, second pilot pin 332 of this second mirror group 33 can slide along the second cam ditch 322 of this second cam canister 32 respectively, simultaneously, second guide channel 333 of this second mirror group 33 can move along the second guide block 312 of this second straight cylinder 31 respectively, so, this second mirror group 33 can be made to produce action along the forward and backward movement of this axial X.
As shown in Fig. 6,10, this revolving drum 40 is sheathed on outside this base cylinder 10 rotationally.
As shown in Figure 12,13, this driving combination 50 has and is multiplely arranged at this revolving drum 40 inner peripheral surface and drives ditch 51, multiple the first cam rail 52 being arranged at the barrel 11 of this base cylinder 10 along the axis that this axial X extends, and multiple be arranged at this first cam canister 22 and be each passed through these first cam rails 52 to these the first sliding pins 53 axially driving ditch 51 to be connected.
In the present embodiment, these first sliding pins 53 are arranged at the outer peripheral face of this first cam barrel 221 respectively.
As shown in Figure 14,15, this driven combination 60 has multiple the second cam rail 61 being arranged at the inner peripheral surface of this revolving drum 40, and multiple the second sliding pin 62 being arranged at this second straight cylinder 31 and being also connected with these second cam rails 61 respectively.
In the present embodiment, these second sliding pins 62 are arranged at these second straight piece 314 respectively and extend outwardly to these second cam rails 61 and are connected.By this, as Figure 13, shown in 15, when carrying out looking in the distance shooting for this dolly camera of use, utilize motor (not shown) drive this revolving drum 40 and drive this first cam canister 22 to rotate around this axial X through this driving combination 50, wherein, the axis being arranged at this revolving drum 40 drives ditch 51 that the first sliding pin 53 being arranged at this first cam canister 22 can be driven to slide along the first cam rail 52 being arranged at this base cylinder 10, this first cam canister 22 is made axially to drive ditch 51 to drive this first straight cylinder 21 synchronously to move along this axial X towards subject along these, at this first cam canister 22 in the process of this axial X rotation, this first cam canister 22 can drive this second cam canister 32 synchronous axial system.
Simultaneously, and drive this revolving drum 40 to drive this second straight cylinder 31 to move along this axial X through this driven combination 60, wherein, when slipping with the second straight track 13 of this base cylinder 10 respectively for second straight piece 314 of this second straight cylinder 31, the second cam rail 61 being arranged at this revolving drum 40 can order about the second sliding pin 62 of being arranged at this second straight cylinder 31 and slide along the second straight track 13 of this base cylinder 10, these second straight tracks 13 can pass through these second straight piece 314 and limit this second straight cylinder 31 and turn round, make this second straight cylinder 31 this second cam canister 32 can be driven synchronously to move along this axial X towards subject along these the second straight tracks 13, now, this second cam canister 32 overlaps mutually with this first cam canister 22, this is first years old, two straight cylinders 21, 31 on this axial X interval minimum spacing H1.
In above-mentioned process, coordinate and consult Fig. 8,11, first and second pilot pin 232,332 of this first and second mirror group 23,33 can slide along first and second cam ditch 223,322 of this first and second cam canister 22,32 respectively, and make this first and second mirror group 23,33 along this axial X respectively near subject, until this first and second mirror group 23,33 is positioned at position of looking in the distance (see Figure 13,15) contiguous mutually.
On the contrary, as Figure 16, shown in 17, when for using this dolly camera to carry out wide angle shot, utilize this motor (not shown) drive this revolving drum 40 and drive this first cam canister 22 to rotate around this axial X through this driving combination 50, wherein, the axis being arranged at this revolving drum 40 drives ditch 51 that the first sliding pin 53 being arranged at this first cam canister 22 can be driven to slide along the first cam rail 52 being arranged at this base cylinder 10, this first cam canister 22 is made axially to drive ditch 51 to drive this first straight cylinder 21 synchronously to move along this axial X towards subject along these, at this first cam canister 22 in the process of this axial X rotation, this first cam canister 22 can drive this second cam canister 32 synchronous axial system.
Simultaneously, and drive this revolving drum 40 to drive this second straight cylinder 31 to move along this axial X through this driven combination 60, wherein, when slipping with the second straight track 13 of this base cylinder 10 respectively for second straight piece 314 of this second straight cylinder 31, the second cam rail 61 being arranged at this revolving drum 40 can order about the second sliding pin 62 of being arranged at this second straight cylinder 31 and slide along the second straight track 13 of this base cylinder 10, these second straight tracks 13 can pass through these second straight piece 314 and limit this second straight cylinder 31 and turn round, make this second straight cylinder 31 this second cam canister 32 can be driven synchronously to move along this axial X towards the direction in contrast to subject along these the second straight tracks 13, now, this second cam canister 32 stretches out this first cam canister 22, this is first years old, two straight cylinders 21, 31 on this axial X interval maximum spacing H2.
In above-mentioned process, coordinate and consult Figure 18,19, first pilot pin 232 of this first mirror group 23 can slide along the first cam ditch 223 of this first cam canister 22, and makes this first mirror group 23 along this axial X near subject; On the contrary, second pilot pin 332 of this second mirror group 33 can slide along the second cam ditch 322 of this second cam canister 32, and make this second mirror group 33 along this axial X away from subject, until this first and second mirror group 23,33 be positioned at mutually away from wide-angle position (see Figure 16,17), now, this first and second mirror group 23,33 maximum amount of movement H3 (see Figure 16,17) that has been relative movements.
Via above explanation, can again advantage of the present invention be summarized as follows:
One, the present invention this first, two move combination 20, 30 can produce relative movement along this axial X, therefore, when this driving combination 50 order about this first cam canister 22 drive this first straight cylinder 21 synchronously to move along this axial X time, this driven combination 60 can be ordered about this second straight cylinder 31 independently simultaneously drive this second cam canister 32 synchronously to move along this axial X, so, at evolution of looking in the distance from this in the process of this wide-angle position, this is first years old, two cam canisters 22, 32 can relatively move to from the state overlapped mutually the state that this second cam canister 32 stretches out this first cam canister 22, and meanwhile, this is first years old, two straight cylinders 21, spacing between 31 can relatively move to this maximum spacing H2 from this minimum spacing H1, allow this first, two mirror groups 23, (namely maximum zoom stroke, is shown in Figure 16 to axial internal clearance H3 between 33, 17) can be greater than this first, two cam canisters 22, overall height on this axial X of 32 each leisures, in other words, this is first years old, two mirror groups 23, maximum zoom stroke between 23, namely can not be limited to again this first, two cam canisters 22, 32 respective overall heights, compared to known technology, the present invention effectively can strengthen maximum zoom stroke.
Two, the present invention first, two move combination 20, 30 first, two cam canisters 22, 32 can overlap mutually contraction, this second cam canister 32 in fact can completely in this first cam canister 22 of retraction, and the height of the present invention on this axial X can not be increased, so, known technology is same with the present invention be enlarged to identical maximum zoom stroke when, because the whole height of known technology can because of the increasing of this cam canister 3 overall height, and obviously increase, therefore, the whole height of the present invention when standby can significantly comparatively known technology reduce, and do not take up space, meet design requirement compact now.
Consult shown in Figure 20,21, be the second preferred embodiment of the present invention, this second preferred embodiment is similar to this first preferred embodiment, and the Main Differences of this second preferred embodiment and this first preferred embodiment is:
As shown in figure 21, the second cam rail 61 (see Figure 14) be arranged on this revolving drum 40 is cancelled in this second preferred embodiment.
As shown in Figure 21,22, this second second straight cylinder 31 moving combination 30 also has multiple around this axial X spaced second straight piece 314, these second straight piece 314 slips with the second straight track 13 of this base cylinder 10 respectively, these second straight tracks 13 can be guided this second straight cylinder 31 and be moved along this axial X, and limit this second straight cylinder 31 and turn round.Be noted that these setting positions of second straight piece 314 are same as this first preferred embodiment (see Figure 14,15), but these second straight piece 314 has base portion 315 respectively, and post portion 316.
As shown in Figure 23,24, this first first cam canister 22 moving combination 20 has more and multiplely arranges around this axial X interval and run through the bit-avoiding slot 225 of this first cam barrel 221 and this annular flange flange wall 222.
As shown in Figure 23,24, the driven combination 60 of this second preferred embodiment has multiple the second cam rail 63 being arranged at barrel 11 inner peripheral surface of this base cylinder 10, and the second sliding pin 64 that multiple outer peripheral face being arranged at the second cam barrel 321 of this second cam canister 32 is also connected with these second cam rails 63 respectively.These bit-avoiding slots 225 correspond respectively to these the second sliding pins 64.
Be noted that, this second preferred embodiment drives this revolving drum 40 and is be entirely identical to this first preferred embodiment through the interlock process that this driving combination 50 (see Figure 12,13) drive this first cam canister 22 to rotate around this axial X, be not repeated, will this revolving drum 40 driven for this second preferred embodiment to drive this second straight cylinder 31 to explain along the interlock process of this axial X movement through this driven combination 60 below.
As shown in Figure 22,24, when carrying out looking in the distance shooting for this dolly camera of use, also be utilize motor (not shown) drive this revolving drum 40 and drive this first cam canister 22 to rotate around this axial X through this driving combination 50 (see Figure 12,13), at this first cam canister 22 in the process of this axial X rotation, this first cam canister 22 also can drive this second cam canister 32 synchronous axial system.
Simultaneously, and drive this revolving drum 40 to drive this second straight cylinder 31 to move along this axial X through this driven combination 60, wherein, when this first cam canister 22 drives this second cam canister 32 synchronous axial system, the second sliding pin 64 being arranged at this second cam canister 32 can slide along the second cam rail 63 being arranged at this base cylinder 10, in the process, second straight track 13 of this base cylinder 10 can pass through these second straight piece 314 and limits this second straight cylinder 31 and turn round, this second cam canister 32 is made to drive this second straight cylinder 31 synchronously to move along this axial X towards subject along these second straight tracks 13, now, this second cam canister 32 is also overlap mutually with this first cam canister 22, this is first years old, two straight cylinders 21, 31 is also interval minimum spacing H1 on this axial X.
In above-mentioned process, this first and second mirror group 23,33 also can along this axial X respectively near subject, until this first and second mirror group 23,33 is positioned at position of looking in the distance contiguous mutually.
On the contrary, as shown in Figure 25,26, when for using this dolly camera to carry out wide angle shot, also be utilize this motor (not shown) drive this revolving drum 40 and drive this first cam canister 22 to rotate around this axial X through this driving combination 50 (see Figure 12,13), at this first cam canister 22 in the process of this axial X rotation, this first cam canister 22 also can drive this second cam canister 32 synchronous axial system.
Simultaneously, and drive this revolving drum 40 to drive this second straight cylinder 31 to move along this axial X through this driven combination 60, wherein, when this first cam canister 22 drives this second cam canister 32 synchronous axial system, the second sliding pin 64 being arranged at this second cam canister 32 can slide along the second cam rail 63 being arranged at this base cylinder 10, in the process, second straight track 13 of this base cylinder 10 can pass through these second straight piece 314 and limits this second straight cylinder 31 and turn round, this second cam canister 32 is made to drive this second straight cylinder 31 synchronously to move along this axial X towards the direction in contrast to subject along these second straight tracks 13, now, this second cam canister 32 is also stretch out this first cam canister 22, this is first years old, two straight cylinders 21, 31 is also interval maximum spacing H2 on this axial X.
In above-mentioned process, this first mirror group 23 also can along this axial X near subject, and this second mirror group 33 also can along this axial X away from subject, until this first and second mirror group 23,33 be positioned at mutually away from wide-angle position.
So, this second preferred embodiment also can reach the object identical with above-mentioned first preferred embodiment and effect.
In sum, the slimming dolly camera strengthening zoom stroke of the present invention, not only can effectively strengthen zoom stroke, and whole height when can not increase standby, therefore really can reach object of the present invention.
The foregoing is only preferred embodiment of the present invention, can not limit scope of the invention process with this, namely all simple equivalences done according to the claims in the present invention and invention description content change and modify, and all still remain within the scope of the patent.
Claims (10)
1. can strengthen a slimming dolly camera for zoom stroke, comprise: base cylinder, the first mirror group and the second mirror group; It is characterized in that, this slimming dolly camera also comprises:
First moves combination, be arranged in this base cylinder, and have axially be connected to this base cylinder slidably along one the first straight cylinder, can around this axial rotation and along this axis together dynamic the first cam canister being connected to this first straight cylinder, and this first mirror group of this first straight cylinder is connected to slidably along this axis, this first cam canister has multiple first cam ditch, and this first mirror group has multiple the first pilot pin be connected respectively in these the first cam ditches;
Second moves combination, be arranged in this base cylinder, and have along this axis be connected to slidably this base cylinder the second straight cylinder, can around this axial rotation and along this axis with dynamic the second cam canister being connected to this second straight cylinder, and this second mirror group of this second straight cylinder is connected to slidably along this axis, this second cam canister has multiple second cam ditch, this the second mirror group has multiple the second pilot pin be connected respectively in these the second cam ditches, wherein, this first and second cam canister is along this axial connection slidably and around this axially with dynamic;
Revolving drum, is sheathed on outside this base cylinder rotationally;
Drive combination, there is multiple axis being arranged at this revolving drum and drive ditch, multiple the first cam rail being arranged at this base cylinder, and multiple be arranged at this first cam canister and be each passed through these first cam rails to these the first sliding pins axially driving ditch to be connected; And
Driven combination, has multiple the second cam rail being arranged at this revolving drum, and multiple the second sliding pin being arranged at this second straight cylinder and being also connected with these second cam rails respectively.
2. the slimming dolly camera strengthening zoom stroke according to claim 1, it is characterized in that, this is first years old, two move combination putting in order diametrically is sequentially this first straight cylinder from outside to inside, this the first mirror group, this first cam canister, this second cam canister, this second straight cylinder and this second mirror group, this first cam canister has more multiple around the setting of this axially spaced-apart and along this axially extended driving slide block, this second cam canister has more and multiplely to arrange and axially extended by the sliding ditch of driving along this around this axially spaced-apart, these drive slide block to be driven sliding ditch to slip with these respectively.
3. the slimming dolly camera strengthening zoom stroke according to claim 2, it is characterized in that, this base cylinder has multiple around the setting of this axially spaced-apart and along this axially extended first straight track, and it is multiple around the setting of this axially spaced-apart and along this axially extended second straight track, this first straight cylinder has and multiplely to arrange and sliding with these first straight tracks respectively first straight piece around this axially spaced-apart, this second straight cylinder has multiple second straight piece of arranging around this axially spaced-apart, these second straight piece slips with these second straight tracks respectively, these second sliding pins are arranged at these second straight piece respectively and extend outwardly to these second cam rails and are connected.
4. the slimming dolly camera strengthening zoom stroke according to claim 2, it is characterized in that, this first straight cylinder has the first straight barrel, multiplely be arranged at this barrel root edge respectively and first straight piece of extending down, multiple the first sliding ditch being along the circumferential direction arranged at these first straight piece of inner side respectively, and multiple around this axially spaced-apart be arranged at this first straight barrel inner peripheral surface and along this axially extended first guide channel, this first cam canister has more the first cam barrel, and from the annular flange flange wall that this first cam barrel root edge extends outwardly out, this annular flange flange wall along the circumferential direction slips with these first sliding ditches, these first sliding pins are arranged at the outer peripheral face of this first cam barrel respectively, these drive slide block to be arranged at the inner peripheral surface of this first cam barrel respectively, these the first cam ditches are arranged at the outer peripheral face of this first cam barrel respectively, this the first mirror group has more first group of frame, and multiple the first guide block being arranged at the outer peripheral face of these first group of frame around this axially spaced-apart, these first guide blocks slip with these first guide channels respectively, these the first pilot pins are arranged at the inner peripheral surface of these first group of frame respectively.
5. the slimming dolly camera strengthening zoom stroke according to claim 2, it is characterized in that, this second cam canister has more the second cam barrel, this the second cam barrel has apical ring edge, and base ring edge, these are by the outer peripheral face driving sliding ditch to be arranged at this second cam barrel respectively, these the second cam ditches are arranged at the inner peripheral surface of this second cam barrel respectively, this second straight cylinder has base ring wall, two are arranged at intervals at this base ring wall and the second guide block extended along this axis upward, and two are arranged at these the second guide block tops and the spacing block set radially protruded respectively outwardly, this the second cam barrel at this axially between these spacing block sets and this base ring wall, this apical ring edge along the circumferential direction slips with the bottom surface of these spacing block sets, this base ring edge along the circumferential direction slips with the end face of this base ring wall, this the second mirror group has more second group of frame, and two outer peripheral faces being arranged at intervals at these second group of frame along this axially extended second guide channel, these second guide blocks slip with these second guide channels respectively, these the second pilot pins are arranged at the outer peripheral face of these second group of frame respectively.
6. can strengthen a slimming dolly camera for zoom stroke, comprise: base cylinder, the first mirror group and the second mirror group; It is characterized in that, this slimming dolly camera also comprises:
First moves combination, be arranged in this base cylinder, and have be connected to this base cylinder vertically slidably the first straight cylinder, can around this axial rotation and along this axis with dynamic the first cam canister being connected to this first straight cylinder, and this first mirror group of this first straight cylinder is connected to slidably along this axis, this first cam canister has multiple first cam ditch, and this first mirror group has multiple the first pilot pin be connected respectively in these the first cam ditches;
Second moves combination, be arranged in this base cylinder, and have along this axis be connected to slidably this base cylinder the second straight cylinder, can around this axial rotation and along this axis with dynamic the second cam canister being connected to this second straight cylinder, and this second mirror group of this second straight cylinder is connected to slidably along this axis, this second cam canister has multiple second cam ditch, this the second mirror group has multiple the second pilot pin be connected respectively in these the second cam ditches, wherein, this first and second cam canister is along this axial connection slidably and around this axially with dynamic;
Revolving drum, is sheathed on outside this base cylinder rotationally;
Drive combination, there is multiple axis being arranged at this revolving drum and drive ditch, multiple the first cam rail being arranged at this base cylinder, and multiple be arranged at this first cam canister and be each passed through these first cam rails to these the first sliding pins axially driving ditch to be connected; And
Driven combination, has multiple the second cam rail being arranged at this base cylinder, and multiple the second sliding pin being arranged at this second cam canister and being also connected with these second cam rails respectively.
7. the slimming dolly camera strengthening zoom stroke according to claim 6, it is characterized in that, this is first years old, two move combination putting in order diametrically is sequentially this first straight cylinder from outside to inside, this the first mirror group, this first cam canister, this second cam canister, this second straight cylinder and this second mirror group, this first cam canister has more multiple around the setting of this axially spaced-apart and along this axially extended driving slide block, this second cam canister has more and multiplely to arrange and axially extended by the sliding ditch of driving along this around this axially spaced-apart, these drive slide block to be driven sliding ditch to slip with these respectively.
8. the slimming dolly camera strengthening zoom stroke according to claim 7, it is characterized in that, this base cylinder has multiple around the setting of this axially spaced-apart and along this axially extended first straight track, and it is multiple around the setting of this axially spaced-apart and along this axially extended second straight track, this first straight cylinder has and multiplely to arrange and sliding with these first straight tracks respectively first straight piece around this axially spaced-apart, this second straight cylinder has multiple second straight piece of arranging around this axially spaced-apart, and these second straight piece slips with these second straight tracks respectively.
9. the slimming dolly camera strengthening zoom stroke according to claim 7, it is characterized in that, this first straight cylinder has the first straight barrel, multiplely be arranged at this barrel root edge respectively and first straight piece of extending down, multiple the first sliding ditch being along the circumferential direction arranged at these first straight piece of inner side respectively, and multiple around this axially spaced-apart be arranged at this first straight barrel inner peripheral surface and along this axially extended first guide channel, this first cam canister has more the first cam barrel, from the annular flange flange wall that this first cam barrel root edge extends outwardly out, and multiplely arrange around this axially spaced-apart and run through the bit-avoiding slot of this first cam barrel and this annular flange flange wall, this annular flange flange wall along the circumferential direction slips with these first sliding ditches, these first sliding pins are arranged at the outer peripheral face of this first cam barrel respectively, these bit-avoiding slots correspond respectively to these the second sliding pins, these drive slide block to be arranged at the inner peripheral surface of this first cam barrel respectively, these the first cam ditches are arranged at the outer peripheral face of this first cam barrel respectively, this the first mirror group has more first group of frame, and multiple the first guide block being arranged at the outer peripheral face of these first group of frame around this axially spaced-apart, these first guide blocks slip with these first guide channels respectively, these the first pilot pins are arranged at the inner peripheral surface of these first group of frame respectively.
10. the slimming dolly camera strengthening zoom stroke according to claim 7, it is characterized in that, this second cam canister has more the second cam barrel, this the second cam barrel has apical ring edge, and base ring edge, these second sliding pins are arranged at the outer peripheral face of this second cam barrel respectively, these are by the outer peripheral face driving sliding ditch to be arranged at this second cam barrel respectively, these the second cam ditches are arranged at the inner peripheral surface of this second cam barrel respectively, this second straight cylinder has base ring wall, two are arranged at intervals at this base ring wall and the second guide block extended along this axis upward, and two are arranged at these the second guide block tops and the spacing block set radially protruded respectively outwardly, this the second cam barrel at this axially between these spacing block sets and this base ring wall, this apical ring edge along the circumferential direction slips with the bottom surface of these spacing block sets, this base ring edge along the circumferential direction slips with the end face of this base ring wall, this the second mirror group has more second group of frame, and two outer peripheral faces being arranged at intervals at these second group of frame along this axially extended second guide channel, these second guide blocks slip with these second guide channels respectively, these the second pilot pins are arranged at the outer peripheral face of these second group of frame respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210104909.2A CN103364917B (en) | 2012-04-11 | 2012-04-11 | The slimming dolly camera of zoom stroke can be strengthened |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210104909.2A CN103364917B (en) | 2012-04-11 | 2012-04-11 | The slimming dolly camera of zoom stroke can be strengthened |
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| CN103364917A CN103364917A (en) | 2013-10-23 |
| CN103364917B true CN103364917B (en) | 2015-10-21 |
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| CN110543063B (en) * | 2019-06-26 | 2023-12-01 | 广州长步道光学科技有限公司 | Automatic focusing device and automatic focusing lens comprising same |
| CN115086507B (en) * | 2021-03-10 | 2023-08-22 | 宁波舜宇光电信息有限公司 | Telescopic camera module and electronic equipment |
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| JPH03144411A (en) * | 1989-10-30 | 1991-06-19 | Canon Inc | Zoom lens |
| CN101324741A (en) * | 2007-06-13 | 2008-12-17 | 富准精密工业(深圳)有限公司 | Camera motor |
| CN101713853A (en) * | 2008-10-07 | 2010-05-26 | 亚洲光学股份有限公司 | Zoomer lens capable of preventing light leakage |
| CN201732200U (en) * | 2010-07-13 | 2011-02-02 | 惠州市百宏微动技术工业有限公司 | Automatic zooming module device |
| CN102053337A (en) * | 2009-11-05 | 2011-05-11 | 奥林巴斯映像株式会社 | Zoom lens barrel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6597518B2 (en) * | 2000-01-31 | 2003-07-22 | Pentax Corporation | Zoom lens barrel |
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2012
- 2012-04-11 CN CN201210104909.2A patent/CN103364917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03144411A (en) * | 1989-10-30 | 1991-06-19 | Canon Inc | Zoom lens |
| CN101324741A (en) * | 2007-06-13 | 2008-12-17 | 富准精密工业(深圳)有限公司 | Camera motor |
| CN101713853A (en) * | 2008-10-07 | 2010-05-26 | 亚洲光学股份有限公司 | Zoomer lens capable of preventing light leakage |
| CN102053337A (en) * | 2009-11-05 | 2011-05-11 | 奥林巴斯映像株式会社 | Zoom lens barrel |
| CN201732200U (en) * | 2010-07-13 | 2011-02-02 | 惠州市百宏微动技术工业有限公司 | Automatic zooming module device |
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