CN212322509U - Convex lens imaging teaching aid - Google Patents
Convex lens imaging teaching aid Download PDFInfo
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- CN212322509U CN212322509U CN202022109194.2U CN202022109194U CN212322509U CN 212322509 U CN212322509 U CN 212322509U CN 202022109194 U CN202022109194 U CN 202022109194U CN 212322509 U CN212322509 U CN 212322509U
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- convex lens
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Abstract
The utility model discloses a convex lens imaging teaching aid, including the primary optical axis, primary optical axis one end is perpendicular to being equipped with branch one, and the other end is perpendicular to having branch two downwards, the primary optical axis middle part is equipped with the convex lens board, branch one is kept away from the one end of primary optical axis is equipped with the horizontal pole, the horizontal pole is kept away from the one end of branch one with convex lens board fixed connection, branch two is kept away from the fixed down tube that is equipped with of one end of primary optical axis, the down tube is kept away from the one end of branch two with convex lens board fixed connection be equipped with respectively on the primary optical axis of convex lens board both sides with primary optical axis sliding connection's sliding plate A, sliding plate B, sliding plate A keeps away from the articulated one end of primary optical axis be connected with convex lens board sliding connection's slip down tube. The utility model discloses simple structure, convenient to use is favorable to very much helping the student to understand the law of mastering the convex lens formation of image, and is vivid, directly perceived, has important teaching meaning.
Description
Technical Field
The utility model relates to a teaching aid technical field specifically indicates a convex lens formation of image teaching aid.
Background
The teaching aid is a model, an object, an icon, a slide show and the like for explaining and explaining a certain object in teaching. The teaching aid is a material object for propagating science and technology and educating people, is a complete scientific and technological medium, and is an indispensable device in teenager scientific and technological activities.
The teaching aid can embody and visualize knowledge more intuitively, create conditions for students to perceive, understand, remember and apply the knowledge, promote the combination of the concrete perception and the abstract thinking of the students, reduce the difficulty of the students in mastering the abstract thoughts, help the students to form clear concepts, establish correct thinking modes, enhance the observation capability and thinking capability of the students and arouse the learning interest and enthusiasm of the students.
The convex lens is made according to the principle of refraction of light. The convex lens is a lens with thick middle and thin edge, and has a convergence effect on light, so the convex lens is also called as a convergent lens. The exploration of the convex lens imaging principle and law is an important link in the middle school physics teaching. The teaching aid assists teachers to show knowledge of imaging rules of the convex lens to students more specifically and vividly, and helps students to perceive and understand the knowledge of the imaging rules of the convex lens.
SUMMERY OF THE UTILITY MODEL
Because the student only explores convex lens formation of image with the optical bench in textbook to abstract thinking's lack, the light path can not be observed, and the size of image changes the demarcation point and also difficult division, and the reason explanation that can not become real image is more drawn strong and is attached the meeting, for solving above-mentioned technical problem, the utility model provides a technical scheme does: the utility model provides a convex lens imaging teaching aid, includes the primary optical axis, primary optical axis one end is the fixed branch one that is provided with perpendicularly upwards, and the other end is the fixed branch two that is provided with perpendicularly downwards, the fixed convex lens board that is provided with in primary optical axis middle part, branch one is kept away from the fixed horizontal pole that is provided with of one end of primary optical axis, the horizontal pole is kept away from the one end of branch one with convex lens board fixed connection, branch two is kept away from the fixed down tube that is provided with of one end of primary optical axis, the down tube is kept away from the one end of branch two with convex lens board fixed connection be provided with respectively on the primary optical axis of convex lens board both sides with primary optical axis sliding connection's sliding plate A, sliding plate B, sliding plate A top articulated be connected with convex lens board sliding connection.
As an improvement, the main optical axis is provided with a first sliding groove on each of two sides of the convex lens plate along the length direction of the main optical axis, one side of the convex lens plate is fixedly connected with the cross rod and the inclined rod, the cross rod is arranged in parallel with the main optical axis, and the intersection point of the inclined rod and the main optical axis is a focal point.
As an improvement, one end of the sliding plate A is provided with a first sliding block which is in sliding connection with the main optical axis, the other end of the sliding plate A is in hinged connection with the sliding inclined rod, one end of the sliding plate A which is in hinged connection with the sliding inclined rod is in sliding connection with the cross rod, and the middle part of the cross rod is provided with a first sliding groove hole which is in sliding fit with the sliding plate A along the length direction of the cross rod.
As an improvement, the sliding plate a is arranged vertically to the main optical axis in an upward direction, the sliding plate B is arranged vertically to the main optical axis in a downward direction, one end of the sliding plate B is provided with a second sliding block in sliding fit with the main optical axis, the sliding plate a and the sliding plate B are both provided with scale marks, and one end of the sliding plate a, which is far away from the main optical axis, is provided with a first cylinder in sliding fit with the cross rod.
As an improvement, the convex lens plate is perpendicular to the main optical axis, a second cylinder in sliding fit with the sliding diagonal rod is arranged at the intersection midpoint of the convex lens plate and the main optical axis, and a third sliding slot hole in sliding fit with the second cylinder is formed in the middle of the sliding diagonal rod along the length direction of the sliding diagonal rod.
As an improvement, scale marks with focal length as a unit are arranged on the main optical axes at two sides of the convex lens plate.
After the structure more than adopting, the utility model has the advantages of as follows: the utility model discloses simple structure, convenient to use. The sliding slide plate A drives the sliding inclined rod to realize the beneficial effect of intuitively displaying the imaging rule of the convex lens. The utility model discloses be favorable to very much helping the student to understand the law of mastering the convex lens formation of image, lively, directly perceived, concrete has important teaching meaning.
Drawings
Fig. 1 is the utility model discloses a convex lens imaging teaching aid's schematic structure.
Fig. 2 is a schematic structural diagram of the convex lens imaging teaching aid sliding plate a of the present invention.
Fig. 3 is a schematic structural diagram of the convex lens imaging teaching aid sliding plate B of the present invention.
As shown in the figure: 1. the optical axis measuring device comprises a main optical axis 1.1, a sliding groove I, a sliding rod I, a sliding groove II, a sliding rod II, a sliding lens plate 4.1, a cylinder II, a sliding rod 5, a sliding groove I, a sliding groove hole 6, an inclined rod 6.1, a sliding groove hole II, a sliding plate A, a sliding plate 7.1, a sliding block I, a sliding block II, a sliding inclined rod 7.2, a cylinder I, a sliding plate 8, a sliding plate B, a sliding plate 8.1, a sliding block II, a sliding inclined rod 9.1, a sliding groove hole III, a sliding plate 10.
Detailed Description
With reference to the attached figures 1-3, a convex lens imaging teaching aid comprises a main optical axis 1, wherein one end of the main optical axis 1 is vertically and upwards fixedly provided with a first supporting rod 2, the other end of the main optical axis is vertically and downwards fixedly provided with a second supporting rod 3, a convex lens plate 4 is fixedly arranged in the middle of the main optical axis 1, a cross rod 5 is fixedly arranged at one end of the first support rod 2 far away from the main optical axis 1, one end of the cross rod 5 far away from the first support rod 2 is fixedly connected with the convex lens plate 4, one end of the second support rod 3 far away from the main optical axis 1 is fixedly provided with an inclined rod 6, one end of the inclined rod 6 far away from the second support rod 3 is fixedly connected with the convex lens plate 4, the main optical axis 1 at two sides of the convex lens plate 4 is respectively provided with a sliding plate A7 and a sliding plate B8 which are connected with the main optical axis 1 in a sliding way, the top end of the sliding plate A7 is hinged with a sliding oblique rod 9 which is connected with the convex lens plate 4 in a sliding way.
As a preferred embodiment of this embodiment, the main optical axis 1 is provided with sliding grooves 1.1 on both sides of the convex lens plate 4 along the length direction thereof, one side of the convex lens plate 4 is fixedly connected to the cross bar 5 and the diagonal bar 6, the cross bar 5 is parallel to the main optical axis 1, and the intersection of the diagonal bar 6 and the main optical axis 1 is a focal point.
As a preferred embodiment of this embodiment, one end of the sliding plate A7 is provided with a first sliding block 7.1 slidably connected to the main optical axis 1, the other end is hinged to the inclined sliding rod 9, one end of the sliding plate A7 hinged to the inclined sliding rod 9 is slidably connected to the cross bar 5, and the middle of the cross bar 5 is provided with a first sliding slot 5.1 slidably engaged with the sliding plate A7 along the length direction thereof.
As a preferred embodiment of this embodiment, the sliding plate A7 is disposed upward perpendicular to the main optical axis 1, the sliding plate B8 is disposed downward perpendicular to the main optical axis 1, one end of the sliding plate is provided with a second sliding block slidably engaged with the main optical axis, the sliding plate A7 and the sliding plate B8 are both provided with scale marks 10, and one end of the sliding plate A7, which is away from the main optical axis 1, is provided with a first cylinder 7.2 slidably engaged with the cross bar 5.
As a preferred embodiment of this embodiment, the convex lens plate 4 is disposed perpendicular to the main optical axis 1, a second cylinder 4.1 slidably engaged with the sliding diagonal rod 9 is disposed at a crossing midpoint of the convex lens plate 4 and the main optical axis 1, and a third sliding slot 9.1 slidably engaged with the second cylinder 4.1 is disposed in a middle of the sliding diagonal rod 9 along a length direction thereof.
In a preferred embodiment of the present invention, scale marks are provided on the main optical axis 1 on both sides of the lenticular lens plate 4, wherein the scale marks are marked in units of focal lengths.
The utility model discloses when concrete implementation, remove the distance between sliding plate and the convex lens board, sliding plate A drives the removal of slip down tube. The intersection point of the sliding diagonal rod and the diagonal rod is the imaging point of the top end of the sliding plate A, the distance from the imaging intersection point to the main optical axis is the imaging of the whole object, and the imaging rule of the convex lens can be obtained through the distance relationship between the object and the imaging two points to the convex lens.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a convex lens imaging teaching aid, its characterized in that, includes the primary optical axis, primary optical axis one end is the fixed branch one that is provided with perpendicularly upwards, and the perpendicular downward fixation of the other end is provided with branch two, the fixed convex lens board that is provided with in primary optical axis middle part, branch one is kept away from the fixed horizontal pole that is provided with in one end of primary optical axis, the horizontal pole is kept away from the one end of branch one with convex lens board fixed connection, branch two is kept away from the fixed down tube that is provided with in one end of primary optical axis, the down tube is kept away from the one end of branch two with convex lens board fixed connection be provided with respectively on the primary optical axis of convex lens board both sides with primary optical axis sliding connection's sliding plate A, sliding plate B, sliding plate A top articulated be connected with convex lens board sliding connection's slip.
2. A convex lens imaging teaching aid according to claim 1, wherein the main optical axis is provided with a first sliding groove on both sides of the convex lens plate along the length direction thereof, one side of the convex lens plate is fixedly connected with the cross bar and the inclined bar, the cross bar is arranged in parallel with the main optical axis, and the intersection point of the inclined bar and the main optical axis is a focal point.
3. The convex lens imaging teaching aid according to claim 1, wherein one end of the sliding plate a is provided with a first sliding block slidably connected with the main optical axis, the other end of the sliding plate a is hingedly connected with the sliding diagonal rod, one end of the sliding plate a hingedly connected with the sliding diagonal rod is slidably connected with the cross rod, and the middle part of the cross rod is provided with a first sliding slot hole slidably matched with the sliding plate a along the length direction of the cross rod.
4. The convex lens imaging teaching aid according to claim 1, wherein the sliding plate a is arranged upward perpendicular to the main optical axis, the sliding plate B is arranged downward perpendicular to the main optical axis, one end of the sliding plate B is provided with a second sliding block in sliding fit with the main optical axis, both the sliding plate a and the sliding plate B are provided with scale marks, and one end of the sliding plate a away from the main optical axis is provided with a first cylinder in sliding fit with the cross bar.
5. A convex lens imaging teaching aid according to claim 1, wherein the convex lens plate is arranged perpendicular to the main optical axis, a second cylinder in sliding fit with the sliding diagonal is arranged at the intersection midpoint of the convex lens plate and the main optical axis, and a third sliding slot hole in sliding fit with the second cylinder is arranged in the middle of the sliding diagonal along the length direction of the sliding diagonal.
6. A convex lens imaging teaching aid according to claim 1, wherein scale marks are provided on the primary optical axis on both sides of the convex lens plate, the scale marks being in units of focal length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109194.2U CN212322509U (en) | 2020-09-23 | 2020-09-23 | Convex lens imaging teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109194.2U CN212322509U (en) | 2020-09-23 | 2020-09-23 | Convex lens imaging teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212322509U true CN212322509U (en) | 2021-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022109194.2U Active CN212322509U (en) | 2020-09-23 | 2020-09-23 | Convex lens imaging teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212322509U (en) |
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2020
- 2020-09-23 CN CN202022109194.2U patent/CN212322509U/en active Active
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