CN201867529U - Light beam reflection angle adjusting device - Google Patents
Light beam reflection angle adjusting device Download PDFInfo
- Publication number
- CN201867529U CN201867529U CN2010205978520U CN201020597852U CN201867529U CN 201867529 U CN201867529 U CN 201867529U CN 2010205978520 U CN2010205978520 U CN 2010205978520U CN 201020597852 U CN201020597852 U CN 201020597852U CN 201867529 U CN201867529 U CN 201867529U
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- screw rod
- wedge
- fixed
- mirror assembly
- support
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Abstract
The utility model discloses a light beam reflection angle adjusting device which comprises a reflecting mirror assembly and a stepping motor fixed on a support frame; a screw rod is sleeved in a nut to form a transmission thread pair; the screw rod is fixed on the support frame; an output shaft of the stepping motor is connected with one end of the screw rod; the stepping motor can be used for directly driving the screw rod to rotate; a sleeve slider bar frame is fixed on the nut; a friction wedge-shaped groove component is fixed on the sleeve slider bar frame; an included angle exists between a wedge-shaped groove on the friction wedge-shaped groove component and an axis of the screw rod; a liftable slide bar is penetrated into the wedge-shaped groove and can slide in the wedge-shaped groove, and two ends of the liftable slide bar are connected with a connection base provided with the reflecting mirror assembly; and spring leaves are arranged on the reflecting mirror assembly and the support frame to form a supporting point A; and the reflecting mirror assembly can be rotate around the supporting point A under the support of the spring leaves. Compared with the prior art, the light beam reflection angle adjusting device can realize the linear change relationship between the angular displacement of a motor and a corner of a reflecting mirror within a certain scope, is convenient for program control, has a simple structure, and is high stable.
Description
Technical field
The utility model relates to optical devices, particularly relates to a kind of device of realizing the adjusting of beam reflection linea angulata.
Background technology
Optical mirror, widespread use in optical precision instrument, its function is that the direction of incident beam along needs reflected away, thereby reach the purpose that changes direction of beam propagation, be widely used in fields such as surveying instrument, Medical Instruments, spectral instrument, military equipment, but the regulative mode of most of optical mirrors all is non-linear, just drive motor drives the catoptron rotation through gear train, be not linear relationship between the angular displacement of motor and the catoptron corner, this makes troubles for control automatically.
The utility model content
The purpose of this utility model is exactly at the deficiencies in the prior art, and a kind of beam reflection angle regulating device is provided, and within the specific limits, can realize that motor angular displacement and catoptron corner are the linear changing relation, are convenient to programmed control.
For achieving the above object, the technical solution of the utility model is:
The beam reflection angle regulating device that the utility model proposes comprises mirror assembly and the stepper motor that is fixed on the support; Screw rod is enclosed within the nut, forms the motion thread pair; Screw rod is fixed on the support, and the output shaft of stepper motor links to each other with screw rod one end, directly drive screw rotation of stepper motor; The sleeve sliding rod frame is fixed on the nut, and friction wedge shape bowl assembly is fixed on the sleeve sliding rod frame, has angle between wedge-shaped slot on the friction wedge shape bowl assembly and the screw axis; Promote sliding bar and penetrate in the wedge-shaped slot, can in wedge-shaped slot, slide, promote the sliding bar two ends and link to each other with the Connection Block that mirror assembly is installed; Spring leaf is located on mirror assembly and the support, forms fulcrum A, and mirror assembly can rotate around fulcrum A under the support of spring leaf.
Described friction wedge shape bowl assembly comprises lifting slider and friction wedge, and the friction wedge on lifting slider, forms described wedge-shaped slot by screw retention; By the upper and lower position of set screw, can make the lifting sliding bar motion of in wedge-shaped slot, sliding steady, comfortable.Described screw rod is fixed on the support, and concrete mode can be: the two ends of screw rod are respectively equipped with single-row radial ball bearing, are fixed on the support by bearing (ball) cover then.Described spring leaf can be installed on mirror assembly and the support by the spring leaf pressing plate.
Beam reflection of the present utility model angle regulating device, the higher lifting sliding bar of the mirror assembly that elasticity is connected and precision links to each other, the accurate lead screw transmission mechanism of forming by screw rod and nut by step motor drive, make it drive the lifting sliding bar and in wedge-shaped slot, produce slide displacement, thereby realize that mirror assembly rotates around the fulcrum A that elasticity connects, and reaches the purpose that changes the light beam shooting angle.Particularly, the utility model in use, step motor drive screw rod rotation, thus make the nut on the screw rod do to come and go rectilinear motion along screw axis, and the friction wedge shape bowl assembly that drive links to each other with nut is made round rectilinear motion; When friction wedge shape bowl assembly moving linearly, drive the lifting sliding bar and in wedge-shaped slot, produce slide displacement, owing between wedge-shaped slot and the screw axis certain included angle is arranged, make the distance that promotes between sliding bar and the screw rod change, thereby realize that mirror assembly rotates around the fulcrum A that elasticity connects, after light beam passes through mirror assembly, reach the purpose that changes the light beam shooting angle.Verify that by making up data model beam reflection of the present utility model angle regulating device can realize that displacement of motor rotation angle and catoptron corner are the linear changing relation in 0 °～8 ° scopes.
Compared with prior art, the beneficial effects of the utility model are: can realize within the specific limits that motor angular displacement and catoptron corner are the linear changing relation, need be specially adapted to the adjusting of the true mirror of Linear Control, and the automatic control of feasible system; Simple in structure, good stability.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of friction wedge shape bowl assembly.
Fig. 3 is the structural representation of mechanism for regulating elevation angle among the embodiment 1.
Number in the figure is as follows:
1 stepper motor, 2 supports
3 mirror assemblies, 4 screw rods
5 nuts, 6 single-row radial ball bearings
7 sleeve sliding rod frames, 8 friction wedge shape bowl assemblies
9 wedge-shaped slots 10 promote sliding bar
11 Connection Blocks, 12 spring leafs
13 bearing (ball) covers, 14 spring leaf pressing plates
15 lifting sliders, 16 friction wedges
17 guiding sliding bars, 18 axle sleeves
19 carriages, 20 scales
21 pointers, 22 rotary encoders
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is further described.
Embodiment one
As Fig. 1, Fig. 2, shown in Figure 3.Prepare a beam reflection angle regulating device, comprise mirror assembly 3 and the stepper motor 1 that is fixed on the support 2.Screw rod 4 is enclosed within the nut 5, forms the motion thread pair.Single-row radial ball bearing 6 is loaded onto at the two ends, the left and right sides of screw rod 4 respectively, then by left and right bearing (ball) cover 13 and screw retention on support 2; The output shaft of stepper motor 1 links to each other by pin with screw rod 4 one ends, and stepper motor 1 directly drive screw 4 is rotated motion, and nut 5 will be along screw rod 4 axis moving linearlies.Sleeve sliding rod frame 7 is installed on the nut 5 by screw, and friction wedge shape bowl assembly 8 is installed on the sleeve sliding rod frame 7 by screw, drives moving linearly by nut 5; Friction wedge shape bowl assembly 8 comprises lifting slider 15 and friction wedge 16, and friction wedge 16 is fixed on the lifting slider 15, forms wedge-shaped slot 9; There is angle between wedge-shaped slot 9 on the friction wedge shape bowl assembly 8 and screw rod 4 axis.Promote sliding bar 10 and penetrate in the wedge-shaped slot 9, can in wedge-shaped slot 9, slide, promote sliding bar 10 two ends and link to each other with the Connection Block 11 that mirror assembly 3 is installed.Spring leaf 12 is installed on mirror assembly 3 and the support 2 by screw and spring leaf pressing plate 14, forms fulcrum A, and mirror assembly 3 can rotate around fulcrum A under the support of spring leaf 12.
The mechanism for regulating elevation angle that the described beam reflection angle regulating device that makes is used for light beam.The sliding bar 17 that will lead penetrates in the sleeve sliding rod frame 7, be respectively charged at guiding sliding bar 17 two ends then axle sleeve 18 backs by screw retention on support 2.The beam reflection angle regulating device that will have the sliding bar 17 that leads then is installed in carriage 19 tops with screw, thereby makes the mirror assembly 3 at the adjustable elevation angle that driven by stepper motor 1 be positioned at the projection objective top.When stepper motor 1 drive screw 4 rotates, drive nut 5 along the round rectilinear motion of screw rod 4 axis work, and drive the round rectilinear motion of friction wedge shape bowl assembly 8 works on it, in wedge-shaped slot 9, produce slide displacement thereby drive lifting sliding bar 10; Owing to have certain angle between wedge-shaped slot 9 and screw rod 4 axis, make the distance that promotes between sliding bar 10 and the screw rod 4 change, thereby realize that mirror assembly 3 rotates around fulcrum A, so just make that the shooting angle of light beam changes behind the light beam process mirror assembly 3 of projection objective outgoing.In addition, also be provided with scale 20 and pointer 21 in the described mechanism for regulating elevation angle, can reflect the relation of displacement of motor rotation angle and catoptron corner so more intuitively; Add the detection of rotary encoder 22, can realize automatic control better.
Claims (4)
1. beam reflection angle regulating device comprises mirror assembly (3) and is fixed on stepper motor (1) on the support (2) that it is characterized in that: screw rod (4) is enclosed within the nut (5), forms the motion thread pair; Screw rod (4) is fixed on the support (2), and the output shaft of stepper motor (1) links to each other with screw rod (4) one ends, directly drive screw (4) rotation of stepper motor (1); Sleeve sliding rod frame (7) is fixed on the nut (5), and friction wedge shape bowl assembly (8) is fixed on the sleeve sliding rod frame (7), has angle between wedge-shaped slot (9) on the friction wedge shape bowl assembly (8) and screw rod (4) axis; Promote sliding bar (10) and penetrate in the wedge-shaped slot (9), can in wedge-shaped slot (9), slide, promote sliding bar (10) two ends and link to each other with the Connection Block that mirror assembly (3) are installed (11); Spring leaf (12) is located on mirror assembly (3) and the support (2), forms fulcrum A, and mirror assembly (3) can rotate around fulcrum A under the support of spring leaf (12).
2. beam reflection according to claim 1 angle regulating device is characterized in that: friction wedge shape bowl assembly (8) comprises lifting slider (15) and friction wedge (16), and friction wedge (16) is fixed on the lifting slider (15), forms wedge-shaped slot (9).
3. beam reflection according to claim 1 angle regulating device is characterized in that: the two ends of screw rod (4) are respectively equipped with single-row radial ball bearing (6), and are fixed on the support (2) by bearing (ball) cover (13).
4. according to the arbitrary described beam reflection of claim 1 to 3 angle regulating device, it is characterized in that: spring leaf (12) is installed on mirror assembly (3) and the support (2) by spring leaf pressing plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205978520U CN201867529U (en) | 2010-11-09 | 2010-11-09 | Light beam reflection angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205978520U CN201867529U (en) | 2010-11-09 | 2010-11-09 | Light beam reflection angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867529U true CN201867529U (en) | 2011-06-15 |
Family
ID=44138681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205978520U Expired - Fee Related CN201867529U (en) | 2010-11-09 | 2010-11-09 | Light beam reflection angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867529U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345042A (en) * | 2013-07-29 | 2013-10-09 | 江苏睿维申电子科技有限公司 | Reflector adjusting system for head-up display |
| CN105022168A (en) * | 2015-07-15 | 2015-11-04 | 惠州市华阳多媒体电子有限公司 | HUD image height adjusting device |
| CN106770182A (en) * | 2017-03-24 | 2017-05-31 | 北京极光仪器科技有限公司 | The Portable Raman spectrometer of tool CCD turnover light paths |
| CN117782999A (en) * | 2024-02-27 | 2024-03-29 | 上海英盛分析仪器有限公司 | Beam direction adjusting device based on laser gas analyzer is used |
-
2010
- 2010-11-09 CN CN2010205978520U patent/CN201867529U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345042A (en) * | 2013-07-29 | 2013-10-09 | 江苏睿维申电子科技有限公司 | Reflector adjusting system for head-up display |
| CN105022168A (en) * | 2015-07-15 | 2015-11-04 | 惠州市华阳多媒体电子有限公司 | HUD image height adjusting device |
| CN105022168B (en) * | 2015-07-15 | 2018-08-03 | 惠州市华阳多媒体电子有限公司 | A kind of HUD picture altitudes regulating device |
| CN106770182A (en) * | 2017-03-24 | 2017-05-31 | 北京极光仪器科技有限公司 | The Portable Raman spectrometer of tool CCD turnover light paths |
| CN106770182B (en) * | 2017-03-24 | 2023-11-21 | 钢研纳克检测技术股份有限公司 | Portable Raman spectrometer with CCD turning light path |
| CN117782999A (en) * | 2024-02-27 | 2024-03-29 | 上海英盛分析仪器有限公司 | Beam direction adjusting device based on laser gas analyzer is used |
| CN117782999B (en) * | 2024-02-27 | 2024-04-30 | 上海英盛分析仪器有限公司 | Beam direction adjusting device based on laser gas analyzer is used |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20131109 |