CN213123487U

CN213123487U - Aperture formation of image presentation device for physical teaching

Info

Publication number: CN213123487U
Application number: CN202021965842.8U
Authority: CN
Inventors: 陈庆旦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-05-04
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a aperture formation of image presentation device for physical teaching, including high adjusting device, slide, pillar one, pillar two, pillar three, light source, orifice plate, formation of image board and bubble spirit level, the slide rotation articulates in high adjusting device, pillar one slidable locates on the slide, pillar two slidable locates on the slide, pillar three slidable locates on the slide, pillar two locates between pillar one and the pillar three, pillar one, pillar two and three parallel arrangement of pillar, the light source is located on the pillar one, the orifice plate is located on the pillar two, be equipped with the aperture on the orifice plate, formation of image board locates on the pillar three, the bubble spirit level is located on the slide openly. The utility model belongs to the technical field of teaching aid, specifically indicate a can be nimble adjusting device horizontality aperture formation of image presentation device for physical teaching.

Description

Aperture formation of image presentation device for physical teaching

Technical Field

The utility model belongs to the technical field of teaching aid, specifically indicate a aperture formation of image presentation device for physical teaching.

Background

The small-hole imaging is formed due to the linear propagation characteristic of light, generally speaking, the small-hole imaging is an experiment which needs to be done in the physics class of middle and primary schools, because the knowledge points needing to be memorized in the small-hole imaging are more, but most of small-hole imaging demonstration devices in the current market are completed on a flat table board, but on some inclined or concave-convex ground, an imaging plate, a small hole and a light source cannot be on the same horizontal plane, and the demonstration process of the small-hole imaging cannot be well shown to students.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a can be nimble adjusting device horizontality aperture formation of image presentation device for physical teaching.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: a small-hole imaging demonstration device for physics teaching comprises a height adjusting device, a sliding plate, a first support, a second support, a third support, a light source, an orifice plate, an imaging plate and a bubble level meter, the sliding plate is rotatably hinged on the height adjusting device, the first support column is slidably arranged on the sliding plate, the second support column is slidably arranged on the sliding plate, the third support column can be arranged on the sliding plate in a sliding way, the second support column is arranged between the first support column and the third support column, the first support, the second support and the third support are arranged in parallel, the light source is arranged on the first support, the pore plate is arranged on the second support, the pore plate is provided with a small hole, the imaging plate is arranged on the third support column, the bubble level meter is arranged on the front surface of the sliding plate, the height of the side surface of the sliding plate is adjusted through the height adjusting device, so that the air bubbles in the air bubble level meter are in the central position, and the sliding plate is in the horizontal state at the moment. The imaging plate, the light source and the small hole are positioned on the same horizontal plane, after the horizontal adjustment, the first support, the second support and the third support are slid to proper positions, namely, the distance among the light source, the hole plate and the imaging plate is adjusted, and then the small hole imaging experiment can be carried out; the height adjusting device comprises a placing box, a driven gear, a screw rod pair, a driving shell, a driving gear, a first rotating shaft, a supporting column, a second rotating shaft, a conveying belt and a rocking handle, wherein the driven gear is rotatably hinged to the bottom wall in the placing box, the driving shell is arranged on the side surface, away from a sliding plate, of the placing box, the screw rod is arranged on the driven gear and penetrates through the top wall of the placing box, the screw rod pair is sleeved on the screw rod, the side wall of the screw rod pair is hinged to the side wall of the sliding plate, the driving gear is meshed and connected to the driven gear, the first rotating shaft is arranged on the side surface of the driving gear, the first rotating shaft penetrates through the side wall of the driving shell and the placing box, the supporting column is arranged on the side wall of the screw rod pair, the second rotating shaft can, the utility model discloses a take the slide plate as a whole, including pivot two, rocking handle, conveyer belt one end cup joints on pivot one, the conveyer belt other end cup joints on pivot two, the rocking handle is located pivot two and is kept away from the side of drive shell, and when the bubble in the bubble spirit level was not in positive central point and puts, rotates the rocking handle, and the rocking handle drives pivot two and rotates, and pivot two drives pivot one through the conveyer belt and rotates, and the pivot drives the driving gear rotation, and the driving gear drives driven gear rotation, and driven gear drives the lead screw rotation, finally slides from top to bottom through lead screw rotation control lead screw pair, and then realizes the regulation to the slide height, finally makes the.

Furthermore, the height adjusting devices are symmetrically provided with two groups by the central line of the sliding plate, the heights of the two ends of the sliding plate are adjusted by the two groups of height adjusting devices, and the bubble level meter is observed to judge whether the sliding plate is in a horizontal state.

Further, the imaging plate, the light source and the aperture are on the same horizontal line.

Furthermore, the sliding plate is provided with scale marks, so that the distance among the light source, the pore plate and the imaging plate and the distance relation among the small-pore imaging plate, the pore plate and the imaging plate can be observed conveniently.

Further, the slide lower wall is equipped with the cupboard, is convenient for hold teaching aid.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of aperture formation of image presentation device for physical teaching easy operation, the mechanism is compact, reasonable in design, through the height of high adjusting device regulation slide side, makes the bubble in the bubble spirit level be in central point and puts, explains that the slide is in the horizontality this moment. The board that forms images, light source and aperture be in same horizontal plane promptly, and after the adjustment level, slip pillar one, pillar two and pillar three to suitable position, adjust the distance between light source, orifice plate and the board that forms images promptly, can carry out the aperture formation of image experiment this moment, and the scale mark on the slide is convenient for observe the distance between light source, orifice plate and the board three that forms images in addition, and understands the relation of aperture formation of image and distance between the three.

Drawings

Fig. 1 is the utility model relates to a physical teaching is with aperture formation of image presentation device's overall structure schematic diagram.

The device comprises a height adjusting device 1, a sliding plate 2, a sliding plate 3, a first support, a second support, a third support, a fourth support, a fifth support, a sixth support, a fifth support, a sixth.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model relates to a pinhole imaging presentation device for physical teaching, including height adjustment device 1, slide 2, pillar one 3, pillar two 4, pillar three 5, light source 6, orifice plate 7, imaging plate 9 and bubble spirit level 10, slide 2 is rotatory to be articulated in height adjustment device 1, pillar one 3 is slidable to be located on slide 2, pillar two 4 is slidable to be located on slide 2, pillar three 5 is slidable to be located on slide 2, pillar two 4 is located between pillar one 3 and pillar three 5, pillar one 3, pillar two 4 and pillar three 5 are parallel arrangement, light source 6 is located on pillar one 3, orifice plate 7 is located on pillar two 4, be equipped with aperture 8 on orifice plate 7, imaging plate 9 is located on pillar three 5, bubble spirit level 10 is located on slide 2 openly; the height adjusting device 1 comprises a placing box 11, a driven gear 12, a screw rod 13, a screw rod pair 14, a driving shell 23, a driving gear 15, a first rotating shaft 16, a supporting column 17, a second rotating shaft 18, a conveying belt 19 and a rocking handle 20, wherein the driven gear 12 is rotatably hinged to the inner bottom wall of the placing box 11, the driving shell 23 is arranged on the side surface of the placing box 4 far away from a sliding plate 5, the screw rod 13 is arranged on the driven gear 12 and penetrates through the top wall of the placing box 11, the screw rod pair 14 is sleeved on the screw rod 13, the side wall of the screw rod pair 14 is hinged to the side wall of the sliding plate 2, the driving gear 15 is meshed and connected with the driven gear 12, the first rotating shaft 16 is arranged on the side surface of the driving gear 15, the first rotating shaft 16 penetrates through the side wall of the driving shell 23 and is arranged on, one end of the second rotating shaft 18 penetrates through the upper end of the side wall of the driving shell 23, the other end of the second rotating shaft 18 is rotatably arranged on the side surface of the inner wall of the driving shell 23, one end of the conveyor belt 19 is sleeved on the first rotating shaft 16, the other end of the conveyor belt 19 is sleeved on the second rotating shaft 17, and the rocking handle 20 is arranged on the side surface, away from the driving shell 23, of the second rotating shaft 17

The height adjusting devices 1 are symmetrically provided with two groups by using the central line of the sliding plate 2.

The imaging plate 9, the light source 6 and the aperture 8 are on the same horizontal line.

The sliding plate 2 is provided with scale marks 22.

The lower wall of the sliding plate 2 is provided with a cabinet 21.

When the bubble level gauge is used specifically, when bubbles in the bubble level gauge 10 are not in the central position, the rocking handles 20 at the two ends of the sliding plate 2 are rocked, the rocking handles 20 drive the second rotating shaft 18 to rotate, the second rotating shaft 18 drives the first rotating shaft 16 to rotate through the conveying belt 19, the first rotating shaft 16 drives the driving gear 15 to rotate, the driving gear 15 drives the driven gear 12 to rotate, the driven gear 12 drives the screw rod 13 to rotate, the screw rod 13 rotates to drive the screw rod pair 14 to slide up and down on the screw rod 13, when the bubbles in the bubble level gauge 10 are in the central position, the rocking handles 20 can be stopped to rotate, the sliding plate 2 is in the horizontal state at the moment, the positions of the first supporting column 3, the second supporting column 4 and the third supporting column 5 are adjusted in a sliding mode, the light source 6, the pore.

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

1. The utility model provides a aperture formation of image presentation device for physical teaching which characterized in that: the device comprises a height adjusting device, a sliding plate, a first support, a second support, a third support, a light source, a pore plate, an imaging plate and a bubble level meter, wherein the sliding plate is rotatably hinged on the height adjusting device; the height adjusting device comprises a placing box, a driven gear, a screw rod pair, a driving shell, a driving gear, a first rotating shaft, a supporting column, a second rotating shaft, a conveying belt and a rocking handle, wherein the driven gear is rotatably hinged to the bottom wall in the placing box, the driving shell is arranged on the side surface, away from a sliding plate, of the placing box, the screw rod is arranged on the driven gear and penetrates through the top wall of the placing box, the screw rod pair is sleeved on the screw rod, the side wall of the screw rod pair is hinged to the side wall of the sliding plate, the driving gear is meshed and connected to the driven gear, the first rotating shaft is arranged on the side surface of the driving gear, the first rotating shaft penetrates through the side wall of the driving shell and the placing box, the supporting column is arranged on the side wall of the screw rod pair, the second rotating shaft can, one end of the conveying belt is sleeved on the first rotating shaft, the other end of the conveying belt is sleeved on the second rotating shaft, and the rocking handle is arranged on the side face, far away from the driving shell, of the second rotating shaft.

2. The pinhole imaging demonstration device for physics teaching of claim 1 characterized in that: the height adjusting devices are symmetrically provided with two groups by the central line of the sliding plate.

3. The pinhole imaging demonstration device for physics teaching of claim 1 characterized in that: the imaging plate, the light source and the small hole are on the same horizontal line.

4. The pinhole imaging demonstration device for physics teaching of claim 1 characterized in that: and the sliding plate is provided with scale marks.

5. The pinhole imaging demonstration device for physics teaching of claim 1 characterized in that: the lower wall of the sliding plate is provided with a cabinet.