CN201464699U - High-precision focusing component for infrared lens - Google Patents
High-precision focusing component for infrared lens Download PDFInfo
- Publication number
- CN201464699U CN201464699U CN2009201084526U CN200920108452U CN201464699U CN 201464699 U CN201464699 U CN 201464699U CN 2009201084526 U CN2009201084526 U CN 2009201084526U CN 200920108452 U CN200920108452 U CN 200920108452U CN 201464699 U CN201464699 U CN 201464699U
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Abstract
The utility model relates to a high-precision focusing component for an infrared lens, which comprises a matrix, a focusing mechanism and an auxiliary correction mechanism, wherein a focusing nut of the focusing mechanism is fixedly mounted on the outer surface of a focusing tube and movably mounted in an inner cavity of the matrix, a focusing gear is fixed on the focusing nut, a stop block is fixedly mounted on the focusing gear, a motor is fixed on the matrix, and a small gear is fixed on an output shaft of the motor and meshed with the focusing gear. A compression spring of the auxiliary correction mechanism is sheathed on a bearing frame and arranged in a bearing pressing seat, a bearing is arranged at the upper part of the bearing frame through a pin shaft, and the bearing pressing seat is fixed on the matrix. The high-precision focusing component for the infrared lens has the advantages that as the high-precision focusing component is provided with the focusing mechanism and the auxiliary collection mechanism for regulating the offset of an optical shaft, electric focusing is carried out by using a switch for controlling the motor, and the offset of the optical shaft during the focusing process can be effectively reduced by regulating the mounting angle of the whole auxiliary collection mechanism and adjusting the pressure of the compression spring, thereby improving the focusing quality and being very convenient to use.
Description
Technical field
The utility model relates to optical gauge, particularly a kind of high-precision focusing component that is used for infrared lens.
Background technology
The focusing component of infrared lens normally utilizes the rectilinear motion that is transformed into lens by the helical motion of manual adjustments, realize the focusing process to camera lens, also have to adopt motorized adjustment, but the precision of focusing is all lower usually.Simultaneously, in the focusing process, the axis that is moved lens can not remain intact with the optical axis of whole camera lens fully and overlap, and upwards produces very big skew in the footpath of design optical axis, and just can not adjust after assembling again.The infrared lens product high for precision prescribed just can only screen, and product qualified rate is low, causes serious waste, wastes time and energy, and is unwell to large-scale production.In addition, because the restriction of level of processing at present, be difficult to make the processing of part can reach a desirable precision and guarantee that its optical axis has a small side-play amount.At present, infrared imagery technique is growing, and is more and more higher to the requirement of imaging; light shaft offset amount in the focusing process is required more and more accurate; especially in the Military Application product, the structure of common lens focusing component is difficult to satisfy this high precision, requirement of massive production.Therefore the focusing component of conventional lenses also is difficult to satisfy market and user's demand at present.
The utility model content
The purpose of this utility model is to overcome the defective that existing technology exists, and a kind of focusing accuracy height is provided, and can effectively reduce light shaft offset amount in the focusing process, the high-precision focusing component that is used for infrared lens easy to use.
For achieving the above object, the high-precision focusing component that is used for infrared lens that the utility model provides, comprise matrix, the inner chamber of described matrix is equipped with focusing drawtube, described focusing drawtube internal fixation is equipped with mobile lens, described matrix is provided with gathering sill and feather key, described feather key is arranged in described gathering sill and is fixedly mounted on the described focusing drawtube, also include focus adjusting mechanism and be used to regulate the auxiliary aligning gear of light shaft offset amount, wherein: described focus adjusting mechanism comprises motor, motor fixing plate, pinion wheel, the focusing gear, the focusing nut, pressure ring and limited block; The inner face of described matrix is provided with the internal thread that matches with the external thread of described focusing nut, described focusing nut is movably arranged in the inner chamber of described matrix, the outer face of described focusing drawtube is provided with the external thread that matches with the internal thread of described focusing nut, described focusing nut is movably arranged on the outside of described focusing drawtube, and described focusing gear is fixed on the described focusing nut by described pressure ring; Described limited block is fixedly mounted on the outer rim of described focusing gear; Described motor is fixed on the described matrix by described motor fixing plate, and described pinion wheel is fixed on the output shaft of described motor and with described focusing gear and is meshed; Described auxiliary aligning gear is installed on the described matrix.
The high-precision focusing component that is used for infrared lens of the present utility model, wherein said auxiliary aligning gear comprises bearing wedge, bearing pin, bearing, stage clip and bearing bracket stand, wherein, the end face of described bearing wedge is provided with through hole, one end of described bearing bracket stand is provided with first groove, and the other end is provided with step and stretches out in the hole of described bearing wedge end face, and described compression spring sleeve is contained on the described bearing bracket stand, one end and described step offset, and the inner face of the other end and described bearing wedge offsets; Described matrix is provided with second groove, and described bearing places described first groove, and described bearing pin passes described bearing fixing on bearing bracket stand, places described second groove.
The high-precision focusing component that is used for infrared lens of the present utility model, fixed installation is useful on each 1 pair of the switch of control described motor forward and reverse operation and diode on the wherein said matrix, and described diode and described switch and described motor electricity respectively link to each other and insert in the electric power loop of described motor.
The high-precision focusing component that is used for infrared lens of the present utility model, wherein said auxiliary aligning gear is provided with a pair of, is installed in respectively on the position of 30 ° of described matrix underpart vertical axis both sides.
The high-precision focusing component that is used for infrared lens of the present utility model, the internal thread of the external thread of wherein said focusing drawtube and described focusing nut adopt the bull acme thread to match.
The high-precision focusing component that is used for infrared lens of the present utility model, wherein said mobile lens scioptics trim ring is fixed in the described focusing drawtube,
The high-precision focusing component that is used for infrared lens of the present utility model, wherein said motor fixing plate is fixed on the described matrix by button-headed screw, plain washer, spring washer.
The high-precision focusing component that is used for infrared lens of the present utility model, wherein said bearing wedge is fixed on the described matrix by second half round head screw, another plain washer, another spring washer.
The high-precision focusing component that is used for infrared lens of the present utility model, wherein said switch is fixed on the described matrix by fillister head screw.
The high-precision focusing component that is used for infrared lens of the present utility model, its advantage is: owing to be provided with focus adjusting mechanism and be used to regulate the auxiliary aligning gear of light shaft offset amount, carry out electronic focusing by switch control motor, can finish high-quality focusing process.Use auxiliary aligning gear, regulate whole device angle of installing and the size of adjusting stage clip pressure by it, can remedy the defective that part processing is brought, effectively reduce light shaft offset amount in the focusing process, focusing quality height uses very convenient.
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in the hope of the purpose of this utility model, feature and advantage are obtained more deep understanding.
Description of drawings
Fig. 1 is used for the front view of the high-precision focusing component of infrared lens for the utility model;
Fig. 2 is the A-A cut-open view of Fig. 1;
Fig. 3 is used for the vertical view of the high-precision focusing component of infrared lens for the utility model;
Fig. 4 is the B-B cut-open view of Fig. 3.
Embodiment
The Reference numeral of part is respectively: matrix-1, focusing drawtube-2, mobile lens-3, lens trim ring-4, feather key-5, focusing nut-6, focusing gear-7, pressure ring-8, limited block-9, bearing wedge-10, bearing pin-11, bearing-12, stage clip-13, bearing bracket stand-14, motor fixing plate-15, pinion wheel-16, motor-17, switch-18, diode-19, fillister head screw-20, first button-headed screw-21, first plain washer-22, first spring washer-23, second button-headed screw-24, second plain washer-25, second spring washer-26, lead 27, auxiliary aligning gear 28.
Referring to Fig. 1, high-precision focusing component of the present utility model comprises matrix 1, the inner chamber of matrix 1 is movably installed with focusing drawtube 2, mobile lens 3 scioptics trim rings 4 are fixed in the focusing drawtube 2, matrix 1 is provided with gathering sill and feather key 5, and feather key 5 is arranged in gathering sill and is fixedly mounted on the focusing drawtube 2.
Be used for the embodiment of the high-precision focusing component of infrared lens at the utility model, focus adjusting mechanism and auxiliary aligning gear 28 are housed on the matrix 1.
Focus adjusting mechanism comprises motor 17, motor fixing plate 15, pinion wheel 16, focusing gear 7, focusing nut 6, the inner face of pressure ring 8 and limited block 9. matrixes 1 is provided with the internal thread that matches with the external thread of the nut 6 of focusing, focusing nut 6 is movably arranged in the inner chamber of matrix 1, the outer face of focusing drawtube 2 is provided with the external thread that matches with the internal thread of the nut 6 of focusing, focusing nut 6 is movably arranged on the outside of focusing drawtube 2, focusing gear 7 is fixed on the focusing nut 6 by pressure ring 8. and limited block 9 is fixedly mounted on the outer rim of focusing gear 7. and motor 17 is installed on the motor fixing plate 15, be fixed on the matrix 1 by motor fixing plate 15, pinion wheel 16 is fixed on the output shaft of motor and with focusing gear 7 and is meshed again.
The embodiment that is used for the high-precision focusing component of infrared lens at the utility model, in conjunction with the accompanying drawings 2 and accompanying drawing 3, fixed installation is useful on the switch 18 of control motor 17 forward and reverse operations and diode 19 each 1 pair on the matrix 1, switch 18 adopts first button-headed screw 21, first plain washer 22, first spring washer 23 to be fixed on above the matrix 1, and diode 19 links to each other by lead 27 electricity respectively with motor 17 with switch 18 and inserts in the electric power loop of motor 17.
Referring to Fig. 2 and Fig. 4, a pair of auxiliary aligning gear of high-precision focusing component of the present utility model comprises bearing wedge 10, bearing pin 11, bearing 12, stage clip 13, bearing bracket stand 14, button-headed screw 24, plain washer 25, spring washer 26 respectively.Wherein, the end face of bearing wedge 10 is provided with through hole, and an end of bearing bracket stand 14 is provided with first groove, the other end is provided with step and stretches out in the hole of bearing wedge 10 end faces, stage clip 13 is sleeved on the bearing bracket stand 14, and an end and step offset, and the inner face of the other end and bearing wedge 10 offsets.Matrix 1 is provided with second groove, and bearing 12 places first groove, and bearing pin 11 passes bearing 12, is fixed on the bearing bracket stand, places second groove.Bearing wedge 10 is fixed on the matrix 1 by second button-headed screw 24, second plain washer 25 and second spring washer 26.A pair of auxiliary aligning gear is positioned on the position of 30 ° of both sides of matrix 1 lower vertical axis.
The course of action that uses the high-precision focusing component that is used for infrared lens of the present utility model to focus is:
The high-precision focusing component that is used for infrared lens at the utility model can effectively reduce focusing process light shaft offset amount, and by switch control motor, focusing quality height uses very convenient.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and scope are limited; do not breaking away under the utility model design proposal prerequisite; common engineering technical personnel make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.
Claims (9)
1. high-precision focusing component that is used for infrared lens, comprise matrix (1), the inner chamber of described matrix (1) is equipped with focusing drawtube (2), described focusing drawtube (2) internal fixation is equipped with mobile lens (3), described matrix (1) is provided with gathering sill and feather key (5), described feather key (5) is arranged in described gathering sill and is fixedly mounted on the described focusing drawtube (2), it is characterized in that: also include focus adjusting mechanism and be used to regulate the auxiliary aligning gear of light shaft offset amount, wherein: described focus adjusting mechanism comprises motor (17), motor fixing plate (15), pinion wheel (16), focusing gear (7), focusing nut (6), pressure ring (8) and limited block (9); The inner face of described matrix (1) is provided with the internal thread that matches with the external thread of described focusing nut (6), described focusing nut (6) is movably arranged in the inner chamber of described matrix (1), the outer face of described focusing drawtube (2) is provided with the external thread that matches with the internal thread of described focusing nut (6), described focusing nut (6) is movably arranged on the outside of described focusing drawtube (2), and described focusing gear (7) is fixed on the described focusing nut (6) by described pressure ring (8); Described limited block (9) is fixedly mounted on the outer rim of described focusing gear (7); Described motor (17) is fixed on the described matrix (1) by described motor fixing plate (15), and described pinion wheel (16) is fixed on the output shaft of described motor (17) and with described focusing gear (7) and is meshed; Described auxiliary aligning gear is installed on the described matrix (1).
2. the high-precision focusing component that is used for infrared lens according to claim 1, it is characterized in that: wherein said auxiliary aligning gear comprises bearing wedge (10), bearing pin (11), bearing (12), stage clip (13) and bearing bracket stand (14), wherein, the end face of described bearing wedge (10) is provided with through hole, one end of described bearing bracket stand (14) is provided with first groove, the other end is provided with step and stretches out in the hole of described bearing wedge (10) end face, described stage clip (13) is sleeved on the described bearing bracket stand (14), one end and described step offset, and the inner face of the other end and described bearing wedge (10) offsets; Described matrix (1) is provided with second groove, and described bearing (12) places described first groove, and described bearing pin (11) passes described bearing (12), is fixed on the bearing bracket stand (14), places described second groove.
3. the high-precision focusing component that is used for infrared lens according to claim 1 and 2, it is characterized in that: wherein said matrix (1) is gone up each 1 pair of switch (18) that fixed installation is useful on the forward and reverse operation of control described motor (17) and diode (19), and described diode (19) and described switch (18) and described motor (17) be electric respectively to link to each other and insert in the electric power loop of described motor (17).
4. the high-precision focusing component that is used for infrared lens according to claim 3 is characterized in that: wherein said auxiliary aligning gear is provided with a pair of, is installed in respectively on the position of 30 ° of described matrix (1) lower vertical axis both sides.
5. the high-precision focusing component that is used for infrared lens according to claim 4 is characterized in that: the internal thread of the external thread of wherein said focusing drawtube (2) and described focusing nut (6) adopts the bull acme thread to match.
6. the high-precision focusing component that is used for infrared lens according to claim 5 is characterized in that: wherein said mobile lens (3) scioptics trim ring (4) is fixed in the described focusing drawtube (2).
7. the high-precision focusing component that is used for infrared lens according to claim 6 is characterized in that: wherein said motor fixing plate (15) is fixed on the described matrix (1) by button-headed screw (21), plain washer (22), spring washer (23).
8. the high-precision focusing component that is used for infrared lens according to claim 7 is characterized in that: wherein said bearing wedge (10) is fixed on the described matrix (1) by second half round head screw (24), another plain washer (25), another spring washer (26).
9. the high-precision focusing component that is used for infrared lens according to claim 8 is characterized in that: wherein said switch (18) is fixed on the described matrix (1) by fillister head screw (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201084526U CN201464699U (en) | 2009-06-05 | 2009-06-05 | High-precision focusing component for infrared lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201084526U CN201464699U (en) | 2009-06-05 | 2009-06-05 | High-precision focusing component for infrared lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464699U true CN201464699U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201084526U Expired - Lifetime CN201464699U (en) | 2009-06-05 | 2009-06-05 | High-precision focusing component for infrared lens |
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| CN (1) | CN201464699U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102650793A (en) * | 2011-02-22 | 2012-08-29 | 株式会社腾龙 | Lens Unit for infrared camera and infrared camera using the same |
| WO2012136068A1 (en) * | 2011-04-02 | 2012-10-11 | Luo Jin | Additional knurled ring for optical lens |
| CN103309003A (en) * | 2012-03-09 | 2013-09-18 | 上海微电子装备有限公司 | Lens and lens coaxiality adjusting method |
| CN103986868A (en) * | 2014-05-15 | 2014-08-13 | 中国科学院长春光学精密机械与物理研究所 | Camera multi-view-field fast switching device |
| TWI481918B (en) * | 2010-07-12 | 2015-04-21 | Hon Hai Prec Ind Co Ltd | Lens barrel and lens module having same |
| CN103217856B (en) * | 2013-05-10 | 2016-07-06 | 厦门力鼎光电技术有限公司 | A kind of focus adjusting mechanism of monitoring camera |
| CN105974551A (en) * | 2016-05-20 | 2016-09-28 | 北京科旭威尔科技股份有限公司 | Lens control mechanism |
-
2009
- 2009-06-05 CN CN2009201084526U patent/CN201464699U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI481918B (en) * | 2010-07-12 | 2015-04-21 | Hon Hai Prec Ind Co Ltd | Lens barrel and lens module having same |
| CN102650793A (en) * | 2011-02-22 | 2012-08-29 | 株式会社腾龙 | Lens Unit for infrared camera and infrared camera using the same |
| CN102650793B (en) * | 2011-02-22 | 2015-06-10 | 株式会社腾龙 | Lens Unit for infrared camera and infrared camera using the same |
| WO2012136068A1 (en) * | 2011-04-02 | 2012-10-11 | Luo Jin | Additional knurled ring for optical lens |
| CN103309003A (en) * | 2012-03-09 | 2013-09-18 | 上海微电子装备有限公司 | Lens and lens coaxiality adjusting method |
| CN103309003B (en) * | 2012-03-09 | 2015-09-30 | 上海微电子装备有限公司 | The method of adjustment of camera lens and camera lens right alignment |
| CN103217856B (en) * | 2013-05-10 | 2016-07-06 | 厦门力鼎光电技术有限公司 | A kind of focus adjusting mechanism of monitoring camera |
| CN103986868A (en) * | 2014-05-15 | 2014-08-13 | 中国科学院长春光学精密机械与物理研究所 | Camera multi-view-field fast switching device |
| CN103986868B (en) * | 2014-05-15 | 2017-04-05 | 中国科学院长春光学精密机械与物理研究所 | The many visual field apparatus for fast switching of camera |
| CN105974551A (en) * | 2016-05-20 | 2016-09-28 | 北京科旭威尔科技股份有限公司 | Lens control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090605 |