CN203981949U - Spiral zoom lens and laser illuminator set - Google Patents
Spiral zoom lens and laser illuminator set Download PDFInfo
- Publication number
- CN203981949U CN203981949U CN201420353906.7U CN201420353906U CN203981949U CN 203981949 U CN203981949 U CN 203981949U CN 201420353906 U CN201420353906 U CN 201420353906U CN 203981949 U CN203981949 U CN 203981949U
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- China
- Prior art keywords
- lens barrel
- thread groove
- actuated piece
- sleeve
- start screw
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Abstract
The utility model discloses a kind of spiral zoom lens, comprise lens barrel, set collar, sleeve and actuated piece, eyeglass is installed on actuated piece, and actuated piece is arranged in lens barrel body together with eyeglass, the side of actuated piece arranges three holding parts, three holding parts are inserted in respectively in three slotted eyes offering in lens barrel body, and extend in the three start screw groove in sleeve, and thread groove holds holding part.In the time of described sleeve rotating, the three start screw in sleeve turns round simultaneously, makes axial rotatablely moving be converted into the elastic motion of actuated piece.The utility model also discloses a kind of laser illuminator set.The utility model has the actuated piece of eyeglass to move by the drive installation simultaneously of three helixes, makes actuated piece stressed more even, and friction force is less, and the operation of actuated piece in lens barrel is more stable, and the anti seismic efficiency of actuated piece is better.
Description
Technical field
The utility model relates to field of laser illumination, relates in particular to spiral zoom lens and laser illuminator set.
Background technology
In laser illuminator set, the lens zoom of video camera drives the sleeve rotating in zoom lens by motor often, then flexible back and forth by the eyeglass in the thread belt index glass head arranging in lens barrel.In existing sleeve, be only provided with a screw thread, corresponding, on the actuated piece that drives eyeglass to move, be also provided with this screw thread and hold adaptive projection, lens barrel, by rotation, makes to be provided with the actuated piece telescopic moving back and forth of eyeglass.There is very large shortcoming in this driving method, the driving force that actuated piece is subject in lens barrel comes from direction of this projection, this just causes the discontinuity of actuated piece, the friction force of actuated piece in lens barrel will be very large, it is flexible very inconvenient back and forth, move also unstablely, often occur stuck phenomenon.
Foregoing is only understood the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Fundamental purpose of the present utility model is to solve in spiral zoom lens, and flexible actuated piece friction force in lens barrel is large back and forth to drive eyeglass, easily occurs stuck problem.
For achieving the above object, the utility model provides a kind of spiral zoom lens, comprise lens barrel, set collar, sleeve and for driving lens moving actuated piece, described lens barrel comprises lens barrel body and lens barrel head, described lens barrel body one end is fixedly connected with described lens barrel head, the other end of described lens barrel body is fixedly connected with described set collar, and described jacket casing is located on described lens barrel body, and described set collar and lens barrel head are fixed on described sleeve between described set collar and lens barrel head; In described sleeve, be provided with three start screw groove, the lead angle of described three start screw groove on any place's xsect of described sleeve is identical; The sidewall of described lens barrel body offers three slotted eyes, and the side of described actuated piece is provided with three holding parts, and described actuated piece is arranged in described lens barrel body, and described three holding part corresponding inserted are in described three slotted eyes; Described three start screw groove holds adaptation with corresponding holding part, and under described sleeve rotating driving effect, described actuated piece can move along described three slotted eyes in described lens barrel body.
Preferably, each described thread groove has identical lead angle.
Preferably, described three start screw groove comprises the first thread groove, the second thread groove and the 3rd thread groove, described the second thread groove is arranged between described the first thread groove and the 3rd thread groove, and the shortest pitch between described the first thread groove and described the second thread groove is identical with the shortest pitch between described the second thread groove and the 3rd thread groove.
Preferably, described three start screw groove is connected with the end face of at least one end in described sleeve two ends.
Preferably, the xsect of described the first thread groove, the second thread groove and the 3rd thread groove is rectangle or arc.
Preferably, described holding part comprises slide protrusion and web member, and described web member is fixedly connected with described actuated piece, and described slide protrusion is inserted in described slotted eye; Described thread groove and described slide protrusion hold adaptation.
Preferably, slide protrusion is cylindric or ellipsoid shape setting.
Preferably, in described three start screw groove, be provided with railway grease
Preferably, described sleeve and screw thread are one-body molded.
In addition, for achieving the above object, the utility model also provides a kind of laser illuminator set, described laser illuminator set comprises a kind of spiral zoom lens, described spiral zoom lens comprises lens barrel, set collar, sleeve and for driving lens moving actuated piece, described lens barrel comprises lens barrel body and lens barrel head, described lens barrel body one end is fixedly connected with described lens barrel head, the other end of described lens barrel body is fixedly connected with described set collar, described jacket casing is located on described lens barrel body, described set collar and lens barrel head are fixed on described sleeve between described set collar and lens barrel head, in described sleeve, be provided with three start screw groove, the lead angle of described three start screw groove on any place's xsect of described sleeve is identical, the sidewall of described lens barrel body offers three slotted eyes, and the side of described actuated piece is provided with three holding parts, and described actuated piece is arranged in described lens barrel body, and described three holding part corresponding inserted are in described three slotted eyes, described three start screw groove holds adaptation with corresponding holding part, and under described sleeve rotating driving effect, described actuated piece can move along described three slotted eyes in described lens barrel body.
The utility model has the actuated piece of eyeglass to move by the drive installation simultaneously of three helixes, makes actuated piece stressed more even, and friction force is less, and the operation of actuated piece in lens barrel is more stable, and the anti seismic efficiency of actuated piece is better.
Accompanying drawing explanation
Fig. 1 is the first example structure schematic diagram of the utility model spiral varifocal mirror;
Fig. 2 is the perspective view of the utility model one embodiment;
Fig. 3 is the blast structural representation of Fig. 2;
Fig. 4 is the structural representation of the sleeve in Fig. 3;
Fig. 5 is the structural representation of lens barrel in Fig. 3;
Fig. 6 is the sleeve deployed configuration schematic diagram in Fig. 4;
Fig. 7 is the vertical view of Fig. 4 middle sleeve;
Fig. 8 is the structural representation of an embodiment of the holding part in Fig. 3;
Fig. 9 is the structural representation of another embodiment of holding part in Fig. 3.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of spiral zoom lens, with reference to Fig. 1-5, in one embodiment, this spiral zoom lens 10, comprise lens barrel 2, set collar 3, sleeve 1 and for driving lens moving actuated piece 4, described lens barrel 2 comprises lens barrel body 22 and lens barrel head 21, one end of described lens barrel body 22 is fixedly connected with described lens barrel head 21, the other end of described lens barrel body 22 is fixedly connected with described set collar 3, the sheathed described lens barrel body 22 of described sleeve 1, described set collar 3 and lens barrel head 21 are fixed on described sleeve 1 between described set collar 3 and lens barrel head 21; In described sleeve 1, be provided with three start screw groove 14 (with reference to Fig. 4), the lead angle of described three start screw groove 14 on any place's xsect of described sleeve is identical; The sidewall of described lens barrel body 22 offers three slotted eyes 221, the side of described actuated piece 4 is provided with three holding parts 5, described actuated piece 4 is arranged in described lens barrel body 22, and, described three holding parts 5 are inserted in described three slotted eyes 221, the holding part 5 of each slotted eye corresponding inserted in described three slotted eyes 221; Described three start screw groove 14 holds adaptation with described three holding parts 5, every thread groove correspondence in described three start screw groove 14 holds a holding part 5, under described sleeve 1 rotary actuation effect, described actuated piece 4 can move along described slotted eye 221 described lens barrel body 22 is interior.
Concrete, eyeglass is installed on described actuated piece 4, described actuated piece 4 is arranged in described lens barrel body 22, the side of actuated piece 4 arranges three holding parts 5, described holding part 5 is inserted in respectively in three slotted eyes 221 offering in lens barrel body 22, and extend in the three start screw groove 14 in sleeve 1, described three start screw groove 14 holds described holding part 5.In the time of described sleeve 1 rotation, three start screw groove 14 in sleeve 1 turns round simultaneously, make axial rotatablely moving be converted into the elastic motion of actuated piece 4, three start screw groove 14 produces driving force to described three holding parts 5 simultaneously, described actuated piece 4 is subject to the driving force from three directions of three holding parts 5, so, described actuated piece 4 can move reposefully in described lens barrel body 22.
The utility model has the actuated piece 4 of eyeglass to move by 14 drive installations simultaneously of three start screw groove, makes actuated piece 4 stressed more even, and friction force is less, and the operation of actuated piece 4 in lens barrel 2 is more stable, and anti seismic efficiency during actuated piece 4 motion is better.
Further, each described thread groove has identical lead angle.
Concrete, as long as keep, the lead angle of three start screw groove on any place's xsect of described sleeve is identical (moves to same position by three start screw groove, three can overlap), just can make described actuated piece 4 move reposefully in described lens barrel body 22; If but each position lead angle in any thread groove in described three start screw groove 14 is different, in the time of so described sleeve 1 uniform rotation, described actuated piece 4 is under the drive of described three start screw groove 14, the translational speed of actuated piece 4 is inhomogeneous, and this is just unfavorable for the adjusting of lens position.The operation that remains a constant speed in mobile for the ease of described actuated piece 4, the screw thread the male character types in Chinese operas, usu. referring tov the bearded character of arbitrary thread groove in described three start screw groove 14 should be consistent.
Further, with reference to Fig. 6-7, described three start screw groove 14 comprises the first thread groove 11, the second thread groove 12 and the 3rd thread groove 13, described the second thread groove 12 is arranged between described the first thread groove 11 and the 3rd thread groove 13, the shortest pitch between described the first thread groove 11 and described the second thread groove 12 is identical with the shortest pitch between described the second thread groove 12 and the 3rd thread groove 13, and the shortest pitch between described the 3rd thread groove 13 and the first thread groove 11 is identical with the shortest pitch between described the 3rd thread groove 13 and the second thread groove 12.
Concrete, described actuated piece 4 is under the power driving force effect being subject to from three directions of three holding parts 5, described actuated piece 4 can move reposefully in described lens barrel body 22, but in order to make further the movement of described actuated piece 4 in described lens barrel body 22 more steady, this will make described three start screw groove 14 bee-line each other equate, namely the shortest pitch between described the first thread groove 11 and described the second thread groove 12 is identical with the shortest pitch between described the second thread groove 12 and the 3rd thread groove 13, and the shortest pitch between described the 3rd thread groove 13 and the first thread groove 11 is identical with the shortest pitch between described the 3rd thread groove 13 and the second thread groove 12.Angle between three line outlets 110,120 and 130 of the three start screw groove 14 so arranging on the face of any rank street of described sleeve is 120 °, corresponding, angle between three holding parts 5 that arrange on described actuated piece 4 is 120 °, so, described actuated piece 4 is subject under the effect of three holding parts 5 that are 120 ° of settings, be subject to steadily balanced driving force, the operation of described actuated piece 4 in described lens barrel body 22 is more steady.
Further, with reference to Fig. 7, described three start screw groove 14 is connected with the end face of at least one end in described sleeve 1 two ends.
Concrete, for convenient, install, described three start screw groove 14 is connected with the end face of one end wherein, described sleeve 1 two ends, form three line outlets 110,120 and 130, when described sleeve 1 is installed, only need be sheathed on described lens barrel body 22, and make described holding part 4 corresponding one by one with the position of described three line outlets 110,120 and 130, then described set collar 3 is installed.Should be understood that, described three start screw groove 14 all can be communicated with the end face at the two ends of described sleeve 1 herein.
Further, the xsect of described three start screw groove is rectangle or arc.
Concrete, the xsect of three start screw groove 14 can have a variety of shape settings, in order to facilitate three start screw groove 14 to coordinate with holding of holding part 5, also in order to reduce the friction between holding part 5 and three start screw groove 14, in the present embodiment, the rectangular or arc setting of the xsect of described three start screw groove 14.
Further, described slide protrusion is cylindric or ellipsoid shape setting.
Concrete, with reference to Fig. 8, described holding part 5 comprises slide protrusion 52 and web member 54, and described web member 51 is fixedly connected with (being for example threaded) with described actuated piece 4, and described slide protrusion 52 is inserted in described slotted eye 221; Described slide protrusion 52 is cylindric, and columned slide protrusion 52 is that rectangle three start screw groove 14 holds adaptation with xsect.
With reference to Fig. 9, in another embodiment, described holding part 5 comprises slide protrusion 53 and web member 54, and described web member 54 is fixedly connected with (being for example threaded) with described actuated piece 4, and described slide protrusion 53 is inserted in described slotted eye 221; Described slide protrusion 53 is ellipsoid shape, and described axiolitic slide protrusion 53 holds adaptation with the three start screw groove 14 that xsect is arc.
Further, in described three start screw groove 14, be provided with railway grease.
Concrete, railway grease the friction that can greatly reduce between described holding part 4 and described three start screw groove 14 is set, be beneficial to the operation of described actuated piece 4.Also reduced to a certain extent the mechanical loss of this spiral zoom lens 10.
Further, with reference to Fig. 4, described sleeve 1 is one-body molded.
Concrete, the three start screw groove 14 arranging on sleeve 1 has two kinds of modes to realize, the one, one-body molded by casting technique, in addition can be by conveyor screw (not indicating in figure) be set in sleeve, between the inwall of described conveyor screw and sleeve 1, form three start screw groove 14, but the cost of this sleeve 1 is higher, and drive poor effect.In order to reduce cost, also, in order to make described actuated piece 4 move more smooth and easyly described lens barrel body 22 is interior, the sleeve of the present embodiment 1 adopts casting techniques one-body molded with three start screw groove 14.
The utility model further provides a kind of laser illuminator set, and described laser illuminator set comprises spiral zoom lens 10 recited above.
Concrete, because described laser illuminator set includes above-mentioned spiral zoom lens 10, therefore, the advantage of the spiral zoom lens 10 of all embodiment recited above, this laser illuminator set has equally.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a spiral zoom lens, comprise lens barrel, set collar, sleeve and for driving lens moving actuated piece, it is characterized in that, described lens barrel comprises lens barrel body and lens barrel head, described lens barrel body one end is fixedly connected with described lens barrel head, the other end of described lens barrel body is fixedly connected with described set collar, and described jacket casing is located on described lens barrel body, and described set collar and lens barrel head are fixed on described sleeve between described set collar and lens barrel head; In described sleeve, be provided with three start screw groove, the lead angle of described three start screw groove on any place's xsect of described sleeve is identical; The sidewall of described lens barrel body offers three slotted eyes, and the side of described actuated piece is provided with three holding parts, and described actuated piece is arranged in described lens barrel body, and described three holding part corresponding inserted are in described three slotted eyes; Described three start screw groove holds adaptation with corresponding holding part, and under described sleeve rotating driving effect, described actuated piece can move along described three slotted eyes in described lens barrel body.
2. sleeve as claimed in claim 1, is characterized in that, each described thread groove has identical lead angle.
3. sleeve as claimed in claim 2, it is characterized in that, described three start screw groove comprises the first thread groove, the second thread groove and the 3rd thread groove, described the second thread groove is arranged between described the first thread groove and the 3rd thread groove, and the shortest pitch between described the first thread groove and described the second thread groove is identical with the shortest pitch between described the second thread groove and the 3rd thread groove.
4. the spiral zoom lens as described in claim 1,2 or 3 any one, is characterized in that, described three start screw groove is connected with the end face of at least one end in described sleeve two ends.
5. spiral zoom lens as claimed in claim 1, is characterized in that, the xsect of described the first thread groove, the second thread groove and the 3rd thread groove is rectangle or arc.
6. spiral zoom lens as claimed in claim 5, is characterized in that, described holding part comprises slide protrusion and web member, and described web member is fixedly connected with described actuated piece, and described slide protrusion is inserted in described slotted eye; Described thread groove and described slide protrusion hold adaptation.
7. spiral zoom lens as claimed in claim 6, is characterized in that, described slide protrusion is cylindric or ellipsoid shape setting.
8. spiral zoom lens as claimed in claim 1, is characterized in that, in described three start screw groove, is provided with railway grease.
9. spiral zoom lens as claimed in claim 1, is characterized in that, described sleeve and screw thread are one-body molded.
10. a laser illuminator set, is characterized in that, described laser illuminator set comprises spiral zoom lens as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353906.7U CN203981949U (en) | 2014-06-27 | 2014-06-27 | Spiral zoom lens and laser illuminator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420353906.7U CN203981949U (en) | 2014-06-27 | 2014-06-27 | Spiral zoom lens and laser illuminator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981949U true CN203981949U (en) | 2014-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420353906.7U Expired - Fee Related CN203981949U (en) | 2014-06-27 | 2014-06-27 | Spiral zoom lens and laser illuminator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981949U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656353A (en) * | 2017-09-29 | 2018-02-02 | 东莞市维斗科技股份有限公司 | Automatic focusing focusing lens module |
| CN107797221A (en) * | 2017-09-29 | 2018-03-13 | 东莞市维斗科技股份有限公司 | Automatic focusing focusing lens module |
| CN110261983A (en) * | 2019-06-04 | 2019-09-20 | 阚智博 | A kind of driving device for camera lens |
| CN112799205A (en) * | 2019-11-12 | 2021-05-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| CN113391456A (en) * | 2021-08-16 | 2021-09-14 | 山东省科学院海洋仪器仪表研究所 | Electronic angle mirror that expands of laser initiative formation of image illumination light source |
-
2014
- 2014-06-27 CN CN201420353906.7U patent/CN203981949U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656353A (en) * | 2017-09-29 | 2018-02-02 | 东莞市维斗科技股份有限公司 | Automatic focusing focusing lens module |
| CN107797221A (en) * | 2017-09-29 | 2018-03-13 | 东莞市维斗科技股份有限公司 | Automatic focusing focusing lens module |
| CN110261983A (en) * | 2019-06-04 | 2019-09-20 | 阚智博 | A kind of driving device for camera lens |
| CN112799205A (en) * | 2019-11-12 | 2021-05-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| CN113391456A (en) * | 2021-08-16 | 2021-09-14 | 山东省科学院海洋仪器仪表研究所 | Electronic angle mirror that expands of laser initiative formation of image illumination light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |