CN202836514U - Multifunctional laser optical lever - Google Patents
Multifunctional laser optical lever Download PDFInfo
- Publication number
- CN202836514U CN202836514U CN 201220510383 CN201220510383U CN202836514U CN 202836514 U CN202836514 U CN 202836514U CN 201220510383 CN201220510383 CN 201220510383 CN 201220510383 U CN201220510383 U CN 201220510383U CN 202836514 U CN202836514 U CN 202836514U
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- CN
- China
- Prior art keywords
- laser
- sleeve
- laser device
- telescope
- optical lever
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Abstract
A multifunctional laser optical lever comprises a mirror frame and a laser device. The left side of the mirror frame and a right side of the mirror frame are respectively provided with blind holes. A sleeve is fixedly placed at the left bottom corner of the inner side of the mirror frame. A second screw is placed at the upper portion of the sleeve. The mirror frame is inlaid with a mirror surface which is matched with the shape of the inner side of the mirror frame. The mirror surface is perpendicular to the sleeve. The laser device is a linear laser device. The laser device can emit a laser. The width of the laser is less than 1 mm. The laser device is in a cylinder shape. The external diameter of the laser device is a little less than the inner diameter of the sleeve. The laser device is fixed in the sleeve through the second screw. Through a linear light rays which is emitted by the laser device, the multifunctional laser optical lever can be adjusted as required, and the number can be read directly according to a position of the linear light rays in a meter ruler. A power supply of the laser device can be turned off, through focusing of a telescope, and a clear image of the meter ruler in the view field of the telescope. A horizontal crossed thread in the telescope is as a basic standard, and the number can be read from an image of the meter ruler in the view field of the telescope. The multifunctional laser optical lever has the advantages of being simple and practical, easy to operate, convenient to manufacture, and capable of doing test in two methods.
Description
Technical field
The utility model relates to adjusting and the measuring technique of Young modulus instrument, relates in particular to a kind of the guiding by a word line laser and seeks the meter ruler reflection image or utilize laser straight to be connected on the technology of reading on the meter ruler.
Background technology
The mensuration of Young modulus is an important experiment in the Experiment of College Physics.Traditional La Shenfa measures the metal Young's modules instrument and adopts the optical lever principle, by the increase and decrease counterweight, small elongation wiry is passed through the specular light lever amplification, and by placing telescope and scale at a distance to observe.Topmost link is to find the meter ruler of being come by the optical lever mirror reflects to resemble from telescope in this experiment, but in actual mechanical process, the student only is difficult to instrument is mixed up with range estimation, some students just can not find the meter ruler picture that the optical lever mirror reflects is come at all in telescope, the teacher that finally has to rely on finishes this adjusting.
Summary of the invention
In order to solve the problem of existence, the purpose of this utility model provides a kind of multifunction laser optical lever, and the meter ruler picture that both can find easily the optical lever mirror reflects to come in telescope can utilize again laser straight to be connected on reading on the meter ruler.
The technical scheme that its technical matters that solves the utility model adopts is: the multifunction laser optical lever, comprise picture frame and laser instrument, described picture frame each side be provided with blind hole, the inboard lower left corner of picture frame is fixedly installed sleeve, the top of sleeve is provided with the second screw rod, be inlaid with the adaptive minute surface of shape inboard with it on the picture frame, minute surface is vertical with sleeve, described laser instrument is a word laser line generator, can send live width less than 1 millimeter laser, laser instrument is cylindrical, and its external diameter is slightly less than the internal diameter of sleeve, and laser instrument is fixed in the sleeve by the second screw rod.
During use, with multifunction laser optical lever feet place the cylindrical chuck of modulus measurer above, support chip is supported on the platform, by two the first screw rods and two blind holes picture frame and support are connected together, the one side that can send laser to laser instrument is packed into to the right in the sleeve, after the adjustment laser instrument sends level one word line laser, lock the second screw rod, adjust the angle of picture frame, make minute surface vertical, by impinging upon the laser on the Telescope, the lifting telescope tube makes the center of telescopical optical axis and minute surface roughly contour, the move left and right Telescope, make telescope over against minute surface, can have two kinds of selections this moment, and the first, can no longer regulate telescope, directly begin to do experiment, according to the direct reading in the position of the thin laser rays of in-line on meter ruler; The second, turn off the power supply of laser instrument, again by the telescope focusing, until the meter ruler picture becomes clear in the range of telescope, can begin experiment, in the telescope horizontal cross hair as benchmark, the upper reading of the picture of meter ruler from range of telescope.It should be noted that the second is selected, the enlargement factor of optical lever is calculated with computing formula commonly used, and the first is selected, and the enlargement factor of its optical lever is half of the optical lever enlargement factor selected of the second, because the thin laser rays of in-line is vertical with minute surface.
The beneficial effects of the utility model are, and are simple and practical, easy to operate, are convenient to produce, and available two kinds of methods are done experiment.
Description of drawings
Fig. 1 is the utility model multifunction laser optical lever right flank schematic diagram;
Fig. 2 is the utility model multifunction laser optical lever leading flank schematic diagram.
Among the figure: 1-support 2-picture frame 3-the first screw rod 4-blind hole 5-minute surface 6-sleeve 7-laser instrument 8-through hole 9-Metallic rod
21-the second screw rod 22-feet 23-the 3rd screw rod 24-support chip
Embodiment
The utility model is described in more detail below in conjunction with accompanying drawing:
Such as Fig. 1, shown in Figure 2, the utility model multifunction laser optical lever, comprise picture frame 2 and laser instrument 7, described picture frame 2 each side be provided with blind hole 4, the picture frame 2 inboard lower left corners are fixedly installed sleeve 6, the top of sleeve 6 is provided with the second screw rod 21, be inlaid with the adaptive minute surface of shape inboard with it 5 on the picture frame 2, minute surface 5 is vertical with sleeve 6, and described laser instrument 7 is a word laser line generator, can send live width less than 1 millimeter laser, laser instrument 7 is cylindrical, and its external diameter is slightly less than the internal diameter of sleeve 6, and laser instrument 7 is fixed in the sleeve 6 by the second screw rod 21.
During use, with multifunction laser optical lever feet 22 place the cylindrical chuck of modulus measurer above, support chip 24 is supported on the platform, by two the first screw rods 3 and two blind holes 4 picture frame 2 and support 1 are connected together, the one side that can send laser to laser instrument 7 is packed into to the right in the sleeve 6, after adjustment laser instrument 7 sends level one word line laser, lock the second screw rod 21, adjust the angle of picture frame 2, make minute surface 5 vertical, by impinging upon the laser on the Telescope, the lifting telescope tube makes the center of telescopical optical axis and minute surface 5 roughly contour, the move left and right Telescope, make telescope over against minute surface 5, can have two kinds of selections this moment, and the first, can no longer regulate telescope, directly begin to do experiment, according to the direct reading in the position of the thin laser rays of in-line on meter ruler; The second, turn off the power supply of laser instrument 7, again by the telescope focusing, until the meter ruler picture becomes clear in the range of telescope, can begin experiment, in the telescope horizontal cross hair as benchmark, the upper reading of the picture of meter ruler from range of telescope.It should be noted that, the second is selected, and the enlargement factor of optical lever is calculated with computing formula commonly used, and the first is selected, the enlargement factor of its optical lever is half of the optical lever enlargement factor selected of the second, because the thin laser rays of in-line is vertical with minute surface 5.
Claims (1)
1. multifunction laser optical lever, comprise picture frame and laser instrument, it is characterized in that: described picture frame each side be provided with blind hole, the inboard lower left corner of picture frame is fixedly installed sleeve, the top of sleeve is provided with the second screw rod, be inlaid with the adaptive minute surface of shape inboard with it on the picture frame, minute surface is vertical with sleeve, described laser instrument is a word laser line generator, can send live width less than 1 millimeter laser, laser instrument is cylindrical, and its external diameter is slightly less than the internal diameter of sleeve, and laser instrument is fixed in the sleeve by the second screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510383 CN202836514U (en) | 2012-10-08 | 2012-10-08 | Multifunctional laser optical lever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510383 CN202836514U (en) | 2012-10-08 | 2012-10-08 | Multifunctional laser optical lever |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836514U true CN202836514U (en) | 2013-03-27 |
Family
ID=47948200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510383 Expired - Fee Related CN202836514U (en) | 2012-10-08 | 2012-10-08 | Multifunctional laser optical lever |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025311A (en) * | 2018-10-09 | 2020-04-17 | 中国农业机械化科学研究院 | Device and method for detecting welded body of grain cleaning sieve box |
-
2012
- 2012-10-08 CN CN 201220510383 patent/CN202836514U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025311A (en) * | 2018-10-09 | 2020-04-17 | 中国农业机械化科学研究院 | Device and method for detecting welded body of grain cleaning sieve box |
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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: 20130327 Termination date: 20131008 |