CN214897206U

CN214897206U - Magnifying glass focal length measuring equipment for physical teaching

Info

Publication number: CN214897206U
Application number: CN202120854252.6U
Authority: CN
Inventors: 夏培笙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-26
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to a physical teaching field just discloses a magnifying glass focus measuring equipment for physical teaching, which comprises a slide rail, the slide rail is long bar-type texture, and sliding connection has four group's sliders on the slide rail, four groups the slider is square structure, slider bottom face sliding connection slide rail, and slider up end fixedly connected with support frame, the multiunit through-hole has evenly been seted up to the slide rail side, set up threaded hole on the slider, the through-hole position on screw hole position and the slide rail corresponds each other, screw hole position threaded connection has the dead lever, the dead lever passes inside the through-hole that the screw hole inserted on the slide rail. This magnifying glass focus measuring equipment for physical teaching utilizes the slide rail to be rectangular shape structure, and installs four group's sliders on the slide rail, installs the physical teaching apparatus on the slider for parallel light source, word tablet board, magnifying glass and glass screen can adjust relative position on the slide rail, reach the purpose of experiment.

Description

Magnifying glass focal length measuring equipment for physical teaching

Technical Field

The utility model relates to a physical teaching field specifically is a magnifying glass focus measuring equipment for physical teaching.

Background

The objective focal length measurement is a method for measuring the focal length and the intercept of an optical system by a fixed-focal-length parallel light pipe method, and the method for measuring the focal length is many, wherein the fixed-focal-length parallel light pipe method has a large measurement range and high measurement precision, the relative error is generally below 1%, the method is a commonly used method at present, in physical teaching, the focal length of the optical system is often required to be measured by the focal-length parallel light pipe method, and from the view of the existing structure, the common teaching tool for measuring the physical focal length is unchanged, so that the school is boring and boring, the measurement is inaccurate, and students can slowly receive information.

Therefore, the magnifying glass focal length measuring equipment for physics teaching is designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a magnifying glass focus measuring equipment for physical teaching has solved one and has become unchangeable, causes the dull and boring taste on class, and measures unsafe problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a magnifying glass focus measuring equipment for physical teaching, includes the slide rail, the slide rail is rectangular shape structure, and sliding connection has four group's sliders on the slide rail, four groups the slider is square structure, slider bottom face sliding connection slide rail, and slider up end fixedly connected with support frame, the multiunit through-hole has evenly been seted up to the slide rail side, set up threaded hole on the slider, the through-hole position on screw hole position and the slide rail corresponds each other, screw hole position threaded connection has the dead lever, inside the dead lever passed the through-hole that the screw hole inserted on the slide rail, physics teaching appliances are installed to the support frame upper end, and physics teaching appliances comprise parallel light source, word tablet board, magnifying glass screen, slide rail lower extreme fixedly connected with base.

Furthermore, the slide rail side edge is provided with a scale, the scale is horizontally attached to the slide rail side edge, and the scale is arranged at the lower end of the slide block.

Furthermore, an opening is formed in the sliding block, the opening is located at the lower end of the threaded hole, the opening is located at the center of the side edge of the sliding block, and the opening is arranged right above the scales.

Furthermore, one end of each support frame is fixedly connected with the upper surface of the corresponding sliding block, the other end of each support frame is provided with a physical teaching aid, and the four support frames are respectively provided with a parallel light source, a word plate, a magnifying lens and a glass screen.

Further, parallel light source and glass screen are arranged in the both sides that are close to the slide rail both ends respectively, and parallel light source's output is towards glass screen one side, word tablet board and magnifying glass are installed to the slide rail intermediate position, word tablet board is close to parallel light source, and word tablet board keeps away from one side of parallel light source and installs the magnifying glass.

Furthermore, a notch is formed in the center of the character plate and is of a circular structure, grooves are formed in the side walls of the upper end and the lower end of the notch, two groups of clamping blocks are respectively mounted inside the two groups of grooves, and the positions of the four groups of clamping blocks are opposite.

Furthermore, the clamp splice is the trapezium structure, and the inclined plane of clamp splice puts towards the central point of notch, four groups two liang of clamp splices are a set of, one side there is the space between two sets of clamp splices of recess inside, the clamp splice passes through spring coupling recess inner wall, spring one end fixed connection recess inner wall, and spring other end fixed connection clamp splice towards the inside side of recess.

The utility model has the advantages that:

1. the utility model discloses a, utilize the slide rail to be rectangular shape structure, and install four group's sliders on the slide rail, install physics teaching aid on the slider, make parallel light source, word tablet board, magnifying glass and glass screen can adjust relative position on the slide rail, reach the purpose of experiment, support through the base, utilize dead lever on the slider to fix the relative position between slider and the slide rail, the opening of seting up on the utilization slider corresponds the scale on the slide rail, can be clear reaction go out the distance between the physics teaching aid, convenient and fast's experiment.

2. The utility model discloses a, put through word tablet board central point and seted up the notch, and the notch position has seted up two sets of recesses, and the fixture of compriseing the clamp splice spring in the recess can reach and fix central word tablet to the clamp splice is detained and the word tablet can be changed, can improve the enjoyment of experiment, lets the student receive message more easily, utilizes to have the space between the two sets of clamp splices of level, and the spring is to the effort of clamp splice, makes the word tablet that central point put can fix the centre gripping.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the middle slider structure of the present invention;

fig. 3 is a cross-sectional view of the side view structure of the Chinese character 'zhong' tablet of the present invention.

In the figure: 1. a base; 2. a slide rail; 3. a slider; 4. calibration; 5. a support frame; 6. a collimated light source; 7. a word plate; 8. a magnifying glass; 9. a glass screen; 10. an opening; 11. fixing the rod; 12. a threaded hole; 13. a spring; 14. a notch; 15. a groove; 16. and (5) clamping blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: the utility model provides a magnifying glass focus measuring equipment for physical teaching, including slide rail 2, slide rail 2 is rectangular shape structure, and sliding connection has four group's sliders 3 on slide rail 2, four group's sliders 3 are square structure, 3 bottom face sliding connection slide rails 2 of slider, and 3 up end fixedly connected with support frame 5 of slider, the multiunit through-hole has evenly been seted up to slide rail 2 side, set up threaded hole 12 on the slider 3, threaded hole 12 position corresponds each other with the through-hole position on the slide rail 2, threaded hole 12 position threaded connection has dead lever 11, inside dead lever 11 passed threaded hole 12 and inserted the through-hole on the slide rail 2, the physics teaching apparatus is installed to support frame 5 upper end, the physics teaching apparatus comprises parallel light source 6, number plate 7, magnifying glass 8 and

glass screen

9, 2 lower extreme fixedly connected with bases 1 of slide rail.

Wherein, scale 4 is installed to 2 sides of slide rail, and 4 levels of scale are laminated in 2 sides of slide rail, and 3 lower extremes of slider are arranged in to scale 4.

Wherein, the slider 3 is provided with an opening 10, the position of the opening 10 is located at the lower end of the threaded hole 12, the position of the opening 10 is located at the center of the side edge of the slider 3, and the opening 10 is arranged right above the scale 4.

Wherein, support frame 5 one end fixed connection slider 3 upper surface, and the physics teaching aid is installed to the support frame 5 other end, and parallel light source 6, word tablet board 7, magnifying glass 8 and glass screen 9 are installed respectively to four group's support frames 5.

Wherein, parallel light source 6 and glass screen 9 are arranged in respectively and are close to the both sides at slide rail 2 both ends, and parallel light source 6's output is towards glass screen 9 one side, and slide rail 2 intermediate position installs word tablet board 7 and magnifying glass 8, and word tablet board 7 is close to parallel light source 6, and word tablet board 7 keeps away from one side of parallel light source 6 and installs magnifying glass 8.

The center of the word plate 7 is provided with a notch 14, the notch 14 is of a circular structure, the side walls of the upper end and the lower end of the notch 14 are provided with grooves 15, two groups of clamping blocks 16 are respectively arranged in the two groups of grooves 15, and the positions of the four groups of clamping blocks 16 are opposite.

Wherein, clamp splice 16 is trapezium structure, and the inclined plane of clamp splice 16 is towards the central point of notch 14 and puts, and two double-phase one in four groups of clamp splices 16 have the space between two sets of clamp splices 16 of one side recess 15 inside, and clamp splice 16 passes through spring 13 and connects the recess 15 inner wall, spring 13 one end fixed connection recess 15 inner wall, and spring 13 other end fixed connection clamp splice 16 is towards the inside side of recess 15.

To sum up, the utility model discloses when using, utilize slide rail 2 to be rectangular shape structure, and install four groups of sliders 3 on slide rail 2, install physics teaching aid on slider 3, make parallel light source 6, word tablet board 7, magnifying glass 8 and glass screen 9 can adjust the relative position on slide rail 2, reach the purpose of experiment, support through base 1, utilize dead lever 11 on slider 3 to fix the relative position between slider 3 and slide rail 2, utilize opening 10 of seting up on slider 3 to correspond scale 4 on slide rail 2, can be clear the reaction go out the distance between the physics teaching aid, convenient and fast experiment; notch 14 has been seted up through word tablet board 7 central point and put, and notch 14 has seted up two sets of recesses 15, the fixture of compriseing clamp splice 16 spring 13 in the recess 15, can reach and fix central word tablet, and detain clamp splice 16 and can change the word tablet, can improve the enjoyment of experiment, let student's easier receive message of going, there is the space between two sets of clamp splices 16 of utilization level, spring 13 is to clamp splice 16's effort, make the word tablet of central point position can fix the centre gripping.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a magnifying glass focus measuring equipment for physical teaching, includes slide rail (2), its characterized in that: the slide rail (2) is of a long strip-shaped structure, four groups of slide blocks (3) are connected to the slide rail (2) in a sliding manner, the four groups of slide blocks (3) are of a square structure, the bottom end face of each slide block (3) is connected to the slide rail (2) in a sliding manner, a support frame (5) is fixedly connected to the upper end face of each slide block (3), multiple groups of through holes are uniformly formed in the side edge of each slide rail (2), threaded holes (12) are formed in each slide block (3), the positions of the threaded holes (12) correspond to the positions of the through holes in the slide rail (2), a fixing rod (11) is in threaded connection with the position of each threaded hole (12), the fixing rod (11) penetrates through the threaded holes (12) to be inserted into the through holes in the slide rail (2), physical teaching tools are installed at the upper end of the support frame (5), and each physical teaching tool is composed of a parallel light source (6), a word plate (7), a magnifying glass screen (8) and a glass screen (9), the lower end of the sliding rail (2) is fixedly connected with a base (1).

2. The focal length measuring device of the magnifier for physics teaching according to claim 1, wherein: scale (4) are installed to slide rail (2) side, scale (4) level laminating in slide rail (2) side, and slider (3) lower extreme is arranged in scale (4).

3. The focal length measuring device of the magnifier for physics teaching according to claim 2, wherein: an opening (10) is formed in the sliding block (3), the position of the opening (10) is located at the lower end of the threaded hole (12), the position of the opening (10) is located at the center of the side edge of the sliding block (3), and the opening (10) is arranged right above the scales (4).

4. The focal length measuring device of the magnifier for physics teaching according to claim 1, wherein: support frame (5) one end fixed connection slider (3) upper surface, and the physics teaching aid is installed to the support frame (5) other end, four groups parallel light source (6), word board (7), magnifying glass (8) and glass screen (9) are installed respectively to support frame (5).

5. The focal length measuring device of the magnifier for physics teaching according to claim 4, wherein: parallel light source (6) and glass screen (9) are arranged in respectively and are close to the both sides at slide rail (2) both ends, and the output of parallel light source (6) is towards glass screen (9) one side, word board (7) and magnifying glass (8) are installed to slide rail (2) intermediate position, word board (7) are close to parallel light source (6), and word board (7) keep away from one side of parallel light source (6) and install magnifying glass (8).

6. The focal length measuring device of the magnifier for physics teaching according to claim 5, wherein: a notch (14) is formed in the center of the signboard board (7), the notch (14) is of a circular structure, grooves (15) are formed in the side walls of the upper end and the lower end of the notch (14), two groups of clamping blocks (16) are respectively mounted inside the two groups of grooves (15), and the four groups of clamping blocks (16) are opposite in position.

7. The focal length measuring device of the magnifier for physics teaching according to claim 6, wherein: the clamp splice (16) are of a trapezoidal structure, the inclined plane of the clamp splice (16) faces to the center of the notch (14), four groups of clamp splices (16) are in a group, one side of each two groups of clamp splices is arranged between two groups of clamp splices (16) in the groove (15), the clamp splices (16) are connected with the inner wall of the groove (15) through springs (13), one ends of the springs (13) are fixedly connected with the inner wall of the groove (15), and the other ends of the springs (13) are fixedly connected with one side face of the clamp splice (16) facing to the inner part of the groove (15).