CN203405615U - Motor type gear secondary transmission optical filter switching device - Google Patents
Motor type gear secondary transmission optical filter switching device Download PDFInfo
- Publication number
- CN203405615U CN203405615U CN201320408106.6U CN201320408106U CN203405615U CN 203405615 U CN203405615 U CN 203405615U CN 201320408106 U CN201320408106 U CN 201320408106U CN 203405615 U CN203405615 U CN 203405615U
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- Prior art keywords
- transmission
- gear
- motor
- upper cover
- supporting plate
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Abstract
The utility model relates to the technical field of optical filter switching mechanisms, and particularly relates to a motor type gear secondary transmission optical filter switching device. The optical filter switching device includes an upper cover, a lower cover, a middle support plate for supporting an optical filter, a motor, a transmission worm, and a transmission gear. The motor drives the middle support plate for supporting the optical filter via the transmission worm and the transmission gear to realize the switching of the optical filter, namely, the motor is subjected to the gear secondary transmission, because the motor only can drive the middle support plate through the successive transmission of the transmission worm and the transmission gear, and the displacement of the switching device caused by vibration can be greatly reduced because of the frictional force between the two gears. Therefore, the switching device is not easily to be influenced by extraneous vibration, and the switching device has fewer components and is simple in structure.
Description
Technical field
The utility model relates to optical filter switching mechanism technical field, relates in particular to a kind of motor type gear secondary transmission optical-filter switcher.
Background technology
Camera or make a video recording on first-class equipment or product, conventionally optical-filter switcher need to be set, make the image sensor in camera or photographic goods be able to receive for the light source of specific wavelength, for example: be used for switching two kinds of optical filters that are respectively used to daytime and evening in camera.At present, the optical-filter switcher of the first-class equipment of making a video recording, when camera is arranged on the lower time of environment that some has vibration, can cause that because of the vibration of body filtered inside sheet switch produces skew, affects the use of equipment.
Utility model content
The purpose of this utility model is to provide for the deficiencies in the prior art a kind of be not easy to be subject to extraneous vibration impact, motor type gear secondary transmission optical-filter switcher simple in structure.
To achieve these goals, the utility model provides a kind of motor type gear secondary transmission optical-filter switcher, it comprises: a upper cover, and this upper cover center has a upper cover through hole, and described upper cover inside has the first installation region, the second installation region and the 3rd installation region;
One for holding the supporting plate of optical filter, is positioned at described the first installation region, and a side of described middle supporting plate has one section of gear region, and described middle supporting plate has first perforate corresponding with described upper cover through hole and the second perforate;
One lower cover, combines with described upper cover, and described middle supporting plate is packaged in the first installation region of described upper cover, and described lower cover has a lower cover through hole corresponding with the upper cover through hole of described upper cover;
One motor, a transmission worm screw, a transmission gear, described motor is connected with transmission worm screw, jointly be placed in the second installation region of upper cover, described transmission worm screw is connected between described motor and transmission gear, described transmission gear is positioned at the 3rd installation region of described upper cover, described transmission gear bottom and transmission worm mesh, the gear region engagement of described transmission gear top and described middle supporting plate.
Preferably, described transmission gear bottom is helical gears that mate with described transmission worm screw, described transmission gear top be one with the straight spur gear of the gear Region Matching of described middle supporting plate.
Preferably, described middle supporting plate is rectangle lamellar body.
Preferably, described motor is drag cup motor.
The utility model beneficial effect is: motor of the present utility model drives for holding the supporting plate of optical filter by transmission worm screw and transmission gear, realize the switching of optical filter, adopt gear secondary transmission, because motor need to be successively twice transmission by transmission worm screw and transmission gear just can drive in supporting plate, and between two groups of gears because there is friction force, so, the switch displacement phenomenon that vibration causes reduces greatly, be that the utility model is not easy to be subject to extraneous vibration impact, and the utility model parts are less, simple in structure.
Accompanying drawing explanation
Fig. 1 is decomposing schematic representation of the present utility model.
Fig. 2 is motor scheme of installation of the present utility model.
Fig. 3 is structural representation of the present utility model.
Fig. 4 is the structural representation at another visual angle of the utility model.
Fig. 5 is the structural representation of the utility model while concealing lower cover.
Fig. 6 is the structural representation of the utility model while concealing upper cover and lower cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Please refer to Fig. 1～6, motor type gear secondary transmission optical-filter switcher of the present utility model, comprise: a upper cover 10, these upper cover 10 centers have a upper cover through hole 11, and these upper cover 10 inside have the first installation region 12, the second installation region 13 and the 3rd installation region 14.
In one, supporting plate 20, for rectangle lamellar body, be positioned at this installation region 12, in order to two side shiftings to the first installation region 12 according to the direction of transmission gear 60 rotations, one side of middle supporting plate 20 has one section of gear region 21, and in this, supporting plate 20 has first perforate 22 corresponding with upper cover through hole 11 and the second perforate 23.
One lower cover 30, combines with this upper cover 10, and supporting plate 20 in this is packaged in the first installation region 12 of this upper cover 10, and this lower cover 30 has a lower cover through hole 31 corresponding with the upper cover through hole 11 of this upper cover 10.
One motor 40, this motor 40 is drag cup motor, motor 40 is connected with transmission worm screw 50, is jointly placed in the second installation region 13 of upper cover 10.
One transmission worm screw 50, for connecting motor 40 and transmission gear 60.
One transmission gear 60, is positioned at the 3rd installation region 14 of upper cover 10, transmission gear 60 bottoms and 50 engagements of transmission worm screw, and mesh in the gear region 21 of transmission gear 60 tops and middle supporting plate 20.Specifically, transmission gear 60 bottoms are helical gears 61 that mate with transmission worm screw 50, and transmission gear 60 tops are a straight spur gear 62 mating with the gear region 21 of middle supporting plate 20.
As shown in Figure 6, in the present embodiment, when powering on to motor 40, motor 40 rotates towards a direction, drives transmission worm screw 50 to rotate, and transmission worm screw 50 band nutating gears 60 rotate, during transmission gear 60 drives, supporting plate 20 moves towards corresponding direction, on giving motor 40, during contrary electric current, motor 40 just rotates in the opposite direction, and in finally driving, supporting plate 20 moves in the opposite direction.So indirectly control in this first perforate 22 on supporting plate 20 and the second perforate 23 with respect to the position of upper cover through hole 11.Therefore only need to control direction of current and the time powering on to motor 40, the switching of supporting plate 20 in just controlling.
And when not powering on to motor, because motor inside exists certain resistance to rotor, add the friction force of two groups of (transmission worm screw and transmission gear bottom, transmission gear top and gear region) gear Contact faces itself, middle supporting plate can cannot cause middle supporting plate off normal because of extraneous vibration because transmission is obstructed, so just can guarantee in normal environment that switch do not power at motor the slip that middle supporting plate can be not random.
The utility model can be applicable to camera or makes a video recording on first-class equipment or product, by the switching mechanism of the utility model optical filter, makes image sensor in camera or photographic goods be able to the light source for specific wavelength by the utility model and receives.
The purpose of this utility model is to improve known optical filter switching mechanism, uses double geared setting, makes middle supporting plate can remain on assigned address after motor power-off, exempts from the impact that it is subject to extraneous vibration.
Optical-filter switcher of the present utility model, You Yige center has upper cover and the lower cover of through hole, and there is the middle supporting plate that two tablet filters can be installed, motor and transmission gear form, it is mainly used in camera, its main application is two kinds of optical filters that are respectively used to daytime and evening in camera for switching, this kind of switch uses motor as drive unit, by motor clockwise or rotate counterclockwise driven gear to rotate, again by after twice transmission of gear, promote to hold in switch carriage (supporting plate the) tangential movement of optical filter, to reach the object of switching,
The utility model is used the benefit of gear secondary transmission to be: when camera is arranged on the lower time of environment that some has vibration, general switch can cause that because of the vibration of body filtered inside sheet switch produces skew, and the utility model adopts gear secondary transmission, because gear need to just can rotate by twice transmission, and between two groups of gears because there is friction force, so the switch that vibration causes displacement phenomenon can reduce greatly.
And optical-filter switcher of the present utility model aims at the undersized camera product of cooperation and measures body design, mechanism size and volume have all been accomplished as much as possible little; In addition, for coordinating the size of the multiple camera sensitive chip existing on the market, when design, done meticulous planning, with the face of containing of maximum possible improving product application; And on product structure for making it be conducive to production and assembly, structural design is very simple, component count is only 6.
More than comprehensive, also become the optical-filter switcher of a practicality truly, small and exquisite and superior performance.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; the technical solution of the utility model is modified or is equal to replacement, all belong to protection domain of the present utility model.
Claims (4)
1. a motor type gear secondary transmission optical-filter switcher, is characterized in that, comprising: a upper cover, and this upper cover center has a upper cover through hole, and described upper cover inside has the first installation region, the second installation region and the 3rd installation region;
One for holding the supporting plate of optical filter, is positioned at described the first installation region, and a side of described middle supporting plate has one section of gear region, and described middle supporting plate has first perforate corresponding with described upper cover through hole and the second perforate;
One lower cover, combines with described upper cover, and described middle supporting plate is packaged in the first installation region of described upper cover, and described lower cover has a lower cover through hole corresponding with the upper cover through hole of described upper cover;
One motor, a transmission worm screw, a transmission gear, described motor is connected with transmission worm screw, jointly be placed in the second installation region of upper cover, described transmission worm screw is connected between described motor and transmission gear, described transmission gear is positioned at the 3rd installation region of described upper cover, described transmission gear bottom and transmission worm mesh, the gear region engagement of described transmission gear top and described middle supporting plate.
2. motor type gear secondary transmission optical-filter switcher according to claim 1, it is characterized in that: described transmission gear bottom is helical gears that mate with described transmission worm screw, described transmission gear top be one with the straight spur gear of the gear Region Matching of described middle supporting plate.
3. motor type gear secondary transmission optical-filter switcher according to claim 1, is characterized in that: described middle supporting plate is rectangle lamellar body.
4. motor type gear secondary transmission optical-filter switcher according to claim 1, is characterized in that: described motor is drag cup motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408106.6U CN203405615U (en) | 2013-07-09 | 2013-07-09 | Motor type gear secondary transmission optical filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320408106.6U CN203405615U (en) | 2013-07-09 | 2013-07-09 | Motor type gear secondary transmission optical filter switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405615U true CN203405615U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320408106.6U Expired - Fee Related CN203405615U (en) | 2013-07-09 | 2013-07-09 | Motor type gear secondary transmission optical filter switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405615U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589161A (en) * | 2015-12-18 | 2016-05-18 | 中国科学技术大学 | Adjustable constant-temperature optical filter switching apparatus |
| CN106125460A (en) * | 2016-08-30 | 2016-11-16 | 杭州日月电子有限公司 | A kind of vehicle-mounted step-by-step movement straight line optical-filter switcher |
| CN107544198A (en) * | 2017-10-17 | 2018-01-05 | 浙江水晶光电科技股份有限公司 | The wheeled switching module of multi-function rotating |
| CN110568702A (en) * | 2019-10-17 | 2019-12-13 | 深圳市万至达电机制造有限公司 | Linear motion small motor for ICR (intensive Care research) switcher on lens |
| CN111812917A (en) * | 2019-04-10 | 2020-10-23 | 佳能株式会社 | Optical device |
| US11178321B2 (en) | 2019-04-10 | 2021-11-16 | Canon Kabushiki Kaisha | Optical apparatus |
-
2013
- 2013-07-09 CN CN201320408106.6U patent/CN203405615U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589161A (en) * | 2015-12-18 | 2016-05-18 | 中国科学技术大学 | Adjustable constant-temperature optical filter switching apparatus |
| CN106125460A (en) * | 2016-08-30 | 2016-11-16 | 杭州日月电子有限公司 | A kind of vehicle-mounted step-by-step movement straight line optical-filter switcher |
| CN107544198A (en) * | 2017-10-17 | 2018-01-05 | 浙江水晶光电科技股份有限公司 | The wheeled switching module of multi-function rotating |
| CN107544198B (en) * | 2017-10-17 | 2023-08-29 | 浙江水晶光电科技股份有限公司 | Multifunctional rotating wheel type switching module |
| CN111812917A (en) * | 2019-04-10 | 2020-10-23 | 佳能株式会社 | Optical device |
| US11178321B2 (en) | 2019-04-10 | 2021-11-16 | Canon Kabushiki Kaisha | Optical apparatus |
| US11196905B2 (en) | 2019-04-10 | 2021-12-07 | Canon Kabushiki Kaisha | Image-capturing apparatus for reducing a number of components of an optical element switching mechanism |
| US11503191B2 (en) | 2019-04-10 | 2022-11-15 | Canon Kabushiki Kaisha | Image-capturing apparatus with holding member for holding optical member |
| CN110568702A (en) * | 2019-10-17 | 2019-12-13 | 深圳市万至达电机制造有限公司 | Linear motion small motor for ICR (intensive Care research) switcher on lens |
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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: 20140122 Termination date: 20140709 |
|
| EXPY | Termination of patent right or utility model |