CN116482656B - Light path control switching device in laser range finder - Google Patents
Light path control switching device in laser range finder Download PDFInfo
- Publication number
- CN116482656B CN116482656B CN202310736628.7A CN202310736628A CN116482656B CN 116482656 B CN116482656 B CN 116482656B CN 202310736628 A CN202310736628 A CN 202310736628A CN 116482656 B CN116482656 B CN 116482656B
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- CN
- China
- Prior art keywords
- installation shell
- range finder
- rods
- laser generator
- laser
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
Abstract
The application discloses an internal light path control switching device of a laser range finder, which relates to the technical field of optical equipment and comprises a range finder body, wherein an installation shell is arranged on the range finder body, a laser generator is arranged in the installation shell, a refraction lens is arranged in the installation shell, convex rods are fixedly connected to the periphery of the refraction lens, flat movable grooves are formed in the periphery of the installation shell and correspond to the positions of the convex rods, the convex rods are movably inserted into the flat movable grooves, and two groups of pushing structures for respectively pushing two convex rods which are mutually perpendicular to each other to generate displacement along the direction of the flat movable grooves are arranged outside the range finder body. According to the application, the corresponding convex rod is pushed to move, so that the refractive lens generates a certain angle deviation, the incident angle between the light emitted by the laser generator and the refractive lens is changed, the emergent angle is changed, the light path is adjusted, the convenience and practicality of using the device are improved, and the use accuracy of the range finder is increased.
Description
Technical Field
The application relates to the technical field of optical equipment, in particular to an internal light path control switching device of a laser range finder.
Background
The internal light path calibration of the laser range finder is one of core technologies for realizing the range finding function, ensuring the measurement precision and improving the range finding capability, and is an instrument for realizing the range finding of a target by utilizing a certain parameter of modulated laser. The laser range finder has light weight, small volume, simple operation, high speed and accuracy, and the error is only one fifth to one hundred times of that of other optical range finders. When the laser range finder is used, the laser range finder is easy to collide with, and vibration is generated to enable an internal laser transmitter to be loose or offset, so that a laser line is offset, and the accuracy of the use of the laser range finder is affected.
Disclosure of Invention
The application aims to provide a light path control switching device in a laser range finder, which aims to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the utility model provides a light path control auto-change over device in laser range finder, including the distancer body, be provided with the installation shell on the distancer body, the internally mounted of installation shell has laser generator, the inside of installation shell is provided with the refracting lens, all fixedly connected with protruding pole around the refracting lens, the position of corresponding protruding pole around the installation shell all is provided with flat movable groove, protruding pole activity cartridge is to flat movable inslot portion, protruding pole geometry is in order to remove in flat movable groove, also can produce under flat movable groove's support and rotate, the distancer body outside is provided with two sets of pushing structures that are used for promoting respectively wherein two protruding poles of mutually perpendicular produce the displacement along flat movable groove direction, the refracting lens is in vertical state when laser generator's light normal emission, perpendicular to light, can not produce the refraction, when because unexpected make laser generator's light angle produce the skew, through removing two sets of pushing structures, make the refracting lens produce the skew, make laser generator send light and the incident angle of refracting lens produce the change light path, and then change the emergent angle, make obtain the adjustment, and obtain the light path that needs.
Preferably, the protruding rod is cylindrical structure, and the width value of flat movable groove equals with the diameter value of protruding rod, guarantees the steady motion of protruding rod.
Preferably, the pushing structure comprises a sliding seat, the sliding seat is slidably mounted outside the mounting shell, a slot is formed in the sliding seat, the convex rod is inserted into the slot, and then the sliding seat is pushed to drive the convex rod to move.
Preferably, four blocking rods are fixedly arranged in the slot, are distributed in a square shape, and are inserted into a rectangular area formed by the four blocking rods.
Preferably, the blocking rods are elastic metal rods, the side length of a rectangular area formed by the four blocking rods is identical to the diameter of the protruding rods, the protruding rods are tightly attached by the aid of the four blocking rods, the position change generated when the protruding rods incline can be adapted, the protruding rods are attached all the time, stability and accuracy of the protruding rods are guaranteed, meanwhile, the protruding rods can be guaranteed to effectively rotate, and the protruding rods cannot be blocked.
Preferably, the position of the outer wall of the installation shell corresponding to the sliding seat is provided with a guide sliding rail arranged along the length direction of the flat movable groove, and the sliding seat is in sliding fit with the guide sliding rail.
Preferably, one side fixedly connected with extension piece of slide, the outside position department that corresponds the slide of installation shell is provided with the screw thread regulation pole, screw thread regulation pole and installation shell screw thread cartridge, screw thread regulation pole and extension piece rotate to be connected, and then adjust the removal of pushing the structure through rotating the screw thread regulation pole, further improved the accuracy of device.
Preferably, the laser generator passes through working of plastics fixed mounting inside the installation shell, and the outside of laser generator is provided with two sets of adjusting screw, and two sets of adjusting screw mutually perpendicular set up, and adjusting screw runs through the lateral wall of installation shell to with installation shell threaded connection, adjusting screw's tip and laser generator contact.
Preferably, the opposite faces of the adjusting screw on the laser generator are provided with springs, two ends of each spring are fixedly connected with the mounting shell and the laser generator respectively, and when the laser generator deflects, the adjusting screw can be rotated to prop against the laser generator to change the angle of the laser generator, so that the amplitude of the deflection of the laser generator caused by accidents is reduced, and the adjustment of the refraction lens is facilitated.
In the technical scheme, the application has the technical effects and advantages that:
according to the application, by moving the two groups of pushing structures, the corresponding convex rods are pushed to move, so that the refractive lens generates a certain angle deviation, the incident angle of light rays emitted by the laser generator and the refractive lens is changed, the emergent angle is changed, the light path is adjusted, and the required light path is obtained, thereby greatly improving the convenience and practicability of the device and increasing the use accuracy of the range finder.
According to the application, the adjusting screw is arranged on the periphery of the laser generator, and when the laser generator generates deflection, the angle of the laser generator can be changed by rotating the adjusting screw to prop against the laser generator, so that the deflection amplitude of the laser generator caused by accidents is reduced, and the refractive lens can be conveniently matched for adjustment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic diagram of the overall structure of the present application.
Fig. 2 is a schematic diagram of the optical path adjustment according to the present application.
FIG. 3 is a cross-sectional view of the present application with respect to the structure at the refractive lens.
Fig. 4 is an external view of a partial structure of the present application.
Figure 5 is a distribution view of four bars according to the application.
Fig. 6 is a cross-sectional view of the present application with respect to the structure at the adjusting screw.
Reference numerals illustrate:
1. a rangefinder body; 11. a mounting shell; 12. a flat movable groove; 2. a laser generator; 3. refractive lenses; 31. a protruding rod; 4. a pushing structure; 41. a slide; 42. a slot; 43. a blocking rod; 44. an extension block; 45. a threaded adjusting rod; 5. an adjusting screw; 6. and (3) a spring.
Detailed Description
Examples
The application provides an internal light path control switching device of a laser range finder, as shown in figures 1-6, which comprises a range finder body 1, wherein an installation shell 11 is arranged on the range finder body 1, a laser generator 2 is arranged in the installation shell 11, a refractive lens 3 is arranged in the installation shell 11, convex rods 31 are fixedly connected to the periphery of the refractive lens 3, flat movable grooves 12 are arranged at positions of the periphery of the installation shell 11 corresponding to the convex rods 31, the convex rods 31 are movably inserted into the flat movable grooves 12, namely the convex rods 31 are geometrically moved in the flat movable grooves 12, and can also rotate under the support of the flat movable grooves 12, two groups of pushing structures 4 for respectively pushing two convex rods 31 which are mutually perpendicular to generate displacement along the direction of the flat movable grooves 12 are arranged outside the range finder body 1, when light rays of the laser generator 2 are normally emitted, the refractive lens 3 is in a vertical state and is perpendicular to the light rays, and does not generate refraction, when the angles of the light rays of the laser generator 2 are accidentally caused to generate deflection, the refractive lens 3 is caused by moving the two groups of pushing structures 4 to generate deflection, namely the refractive lens 3 is caused to generate deflection, the refractive lens 2 is caused, the incident angle of the laser is required to be changed, and the incident angle is required to be changed.
Further, in the above technical solution, the protruding rod 31 has a cylindrical structure, and the width of the flat movable slot 12 is equal to the diameter of the protruding rod 31, so as to ensure the stable movement of the protruding rod 31.
Further, in the above technical scheme, the pushing structure 4 includes a sliding seat 41, the sliding seat 41 is slidably mounted on the outside of the installation shell 11, a slot 42 is provided in the sliding seat 41, and the protruding rod 31 is inserted into the slot 42, so that the sliding seat 41 is pushed to drive the protruding rod 31 to move.
Further, in the above technical solution, four blocking rods 43 are fixedly installed in the slot 42, the four blocking rods 43 are distributed in square shape, and the protruding rod 31 is inserted into a rectangular area formed by the four blocking rods 43.
Further, in the above technical scheme, the blocking rods 43 are elastic metal rods, and the side length of the rectangular area formed by the four blocking rods 43 is the same as the diameter of the convex rod 31, so that the four blocking rods 43 can be closely attached to the convex rod 31, can adapt to the position change generated when the convex rod 31 is inclined, always attach to the convex rod 31, ensure the stability and the accuracy of the convex rod 31, and simultaneously ensure that the convex rod 31 can effectively rotate without being blocked.
Further, in the above technical solution, a guide rail disposed along the length direction of the flat movable slot 12 is disposed at a position of the outer wall of the installation housing 11 corresponding to the slide seat 41, and the slide seat 41 is slidably engaged with the guide rail.
Further, in the above technical scheme, one side fixedly connected with extension piece 44 of slide 41, the outside position department that corresponds slide 41 of installation shell 11 is provided with screw thread regulation pole 45, screw thread regulation pole 45 and installation shell 11 screw thread cartridge, screw thread regulation pole 45 and extension piece 44 rotate to be connected, and then adjust the removal of pushing structure 4 through rotating screw thread regulation pole 45, further improved the accuracy of device.
Further, in the above technical scheme, the laser generator 2 is fixedly installed inside the installation shell 11 through the plastic part, two groups of adjusting screws 5 are arranged on the outer side of the laser generator 2, the two groups of adjusting screws 5 are mutually perpendicular, the adjusting screws 5 penetrate through the side wall of the installation shell 11 and are in threaded connection with the installation shell 11, and the end parts of the adjusting screws 5 are in contact with the laser generator 2.
Further, in the above technical scheme, the opposite face that lies in adjusting screw 5 on the laser generator 2 is provided with spring 6, and the both ends of spring 6 respectively with installation shell 11 and laser generator 2 fixed connection, and then when laser generator 2 produces the skew, can make its angle change through rotating adjusting screw 5, withstand laser generator 2 to reduce the range that laser generator 2 produced the skew because of the accident, conveniently cooperate refractive lens 3 to adjust.
Working principle: when the light angle of the laser generator 2 is offset by accident, the two groups of pushing structures 4 are moved to push the corresponding convex rod 31 to move, so that the refractive lens 3 is offset by a certain angle, the incident angle of the light emitted by the laser generator 2 and the refractive lens 3 is changed, the emergent angle is changed, the light path is adjusted, and the required light path is obtained, so that the convenience and practicality of using the device are greatly improved, the accuracy of using the range finder is improved, the convex rod 31 is tightly attached by the four blocking rods 43, the position change generated when the convex rod 31 is inclined can be adapted, the convex rod 31 is attached all the time, the stability and accuracy of the convex rod 31 are ensured, meanwhile, the convex rod 31 can be effectively rotated without being blocked, and the angle of the laser generator 2 is changed by rotating the adjusting screw 5 to push against the laser generator 2 when the laser generator 2 is offset, so that the range of the laser generator 2 is reduced due to the unexpected offset, and the refractive lens 3 is conveniently matched.
Claims (6)
1. The utility model provides a light path control auto-change over device in laser range finder, includes distancer body (1), be provided with installation shell (11) on distancer body (1), the internally mounted of installation shell (11) has laser generator (2), its characterized in that: the device is characterized in that a refraction lens (3) is arranged inside the installation shell (11), convex rods (31) are fixedly connected to the periphery of the refraction lens (3), flat movable grooves (12) are formed in the periphery of the installation shell (11) and correspond to the convex rods (31), the convex rods (31) are movably inserted into the flat movable grooves (12), and two groups of pushing structures (4) for respectively pushing two convex rods (31) perpendicular to each other to generate displacement along the direction of the flat movable grooves (12) are arranged outside the range finder body (1);
the pushing structure (4) comprises a sliding seat (41), the sliding seat (41) is slidably arranged outside the installation shell (11), a slot (42) is formed in the sliding seat (41), and the protruding rod (31) is inserted into the slot (42); four blocking rods (43) are fixedly arranged in the slots (42), the four blocking rods (43) are distributed in a square shape, and the convex rods (31) are inserted into rectangular areas formed by the four blocking rods (43);
one side fixedly connected with extension piece (44) of slide (41), the outside position department that corresponds slide (41) of installation shell (11) is provided with screw thread regulation pole (45), screw thread regulation pole (45) and installation shell (11) screw thread cartridge, screw thread regulation pole (45) are connected with extension piece (44) rotation.
2. The device for switching optical path control in a laser range finder according to claim 1, wherein: the protruding rod (31) is of a cylindrical structure, and the width value of the flat movable groove (12) is equal to the diameter value of the protruding rod (31).
3. The device for switching optical path control in a laser range finder according to claim 2, wherein: the blocking rods (43) are elastic metal rods, and the side length of a rectangular area formed by the four blocking rods (43) is the same as the diameter of the protruding rod (31).
4. A laser rangefinder internal optical path control switching apparatus as set forth in claim 3 wherein: the position of the outer wall of the installation shell (11) corresponding to the sliding seat (41) is provided with a guide sliding rail arranged along the length direction of the flat movable groove (12), and the sliding seat (41) is in sliding fit with the guide sliding rail.
5. The device for switching optical path control in a laser range finder according to claim 4, wherein: the laser generator (2) is fixedly arranged inside the installation shell (11) through a plastic part, two groups of adjusting screws (5) are arranged on the outer side of the laser generator (2), the two groups of adjusting screws (5) are perpendicular to each other, the adjusting screws (5) penetrate through the side wall of the installation shell (11) and are in threaded connection with the installation shell (11), and the end parts of the adjusting screws (5) are in contact with the laser generator (2).
6. The device for switching optical path control in a laser range finder according to claim 5, wherein: the laser generator (2) is provided with a spring (6) on the opposite surface of the adjusting screw (5), and two ends of the spring (6) are fixedly connected with the mounting shell (11) and the laser generator (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310736628.7A CN116482656B (en) | 2023-06-21 | 2023-06-21 | Light path control switching device in laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310736628.7A CN116482656B (en) | 2023-06-21 | 2023-06-21 | Light path control switching device in laser range finder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116482656A CN116482656A (en) | 2023-07-25 |
| CN116482656B true CN116482656B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310736628.7A Active CN116482656B (en) | 2023-06-21 | 2023-06-21 | Light path control switching device in laser range finder |
Country Status (1)
| Country | Link |
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| CN (1) | CN116482656B (en) |
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2023
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| CN116482656A (en) | 2023-07-25 |
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