CN207799997U - A kind of Physical Experiment lens - Google Patents

Abstract

The utility model discloses a kind of Physical Experiment lens,Including experimental bench,The experimental bench is fixedly arranged in the middle of lens mount,The upper surface middle part of the lens mount is fixed with the lower end of lens strut,The experiment of convex lens imaging principle can have not only been carried out by this experimental provision but also can carry out convex lens and concavees lens to experiments such as the refractions of directional light,In convertible lens,Lens shaft is driven to rotate 180 degree by the first rotational drive motor,It is simple to operate,Two groups of light sources are set,One group of directional light formed for three horizontally disposed laser pens,Another group is the Luminous character for being set as p-type,When replacing light source,Second rotational drive motor drives the rotation 180 degree of light source shaft,And it is not required to adjustment light source height,Pass through the movement of Electronic control lens and blank,It is not required to manual movement,Be conducive to obtain accurate experimental data,Control reading graticule corresponding graduation mark when reading,It can guarantee the accuracy of reading,Ensure the accurate of experimental result.

Description

A kind of Physical Experiment lens

Technical field

The utility model is related to Physical Experiment appliance technology, specific field is a kind of Physical Experiment lens.

Background technology

Experiment in teaching is the important component in physics teaching, experiment can understand deep memory to student and Understanding to experimental principle, and lens experiment is that lens experimental apparatus structure essential in physics teaching, current is simpler It is single and simple and crude, it is frequently necessary to be adjusted the distance of the devices such as lens or blank during the experiment, be imaged with observer's eye The focal length etc. of principle and its test lens, and current lens, the mode of adjustable range be it is traditional go to move with hand, in this way Mode move each device there are many drawback, if movement range is larger, be unfavorable for obtaining accurate data, for this purpose, we It is a kind of Physical Experiment lens to provide a kind of lens.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of Physical Experiment lens Problem.

To achieve the above object, the utility model provides the following technical solutions：A kind of Physical Experiment lens, including experiment Platform, the experimental bench are fixedly arranged in the middle of lens mount, and the upper surface middle part of the lens mount is fixed under lens strut The upper end at end, the lens strut is horizontally fixed in the middle part of the lower surface of lens fixes sleeve, in the lens fixes sleeve Portion is rotatably connected to the middle part of lens shaft, and the left end of the lens shaft is connected with the driving end of the first rotational drive motor, The right end vertical of the lens shaft is fixed with lens connecting rod, and the upper end of the lens connecting rod is vertically fixed convex lens Lower end, the lower end of the lens connecting rod are vertically fixed the upper end of concavees lens, in the center and concavees lens of the convex lens The heart is located on same vertical line, and left sliding slot and right cunning are respectively symmetrically equipped in the middle part of the left and right sides of the upper surface of the experimental bench Slot, the left sliding slot and right rail are located at the left and right sides of lens mount, the inside difference of the left sliding slot and right rail Slidably connect left slider and right sliding block, the upper end of the left slider and right sliding block is separately fixed at light source base and blank pedestal Lower surface in the middle part of, the upper surface middle part of the light source base is fixed with the lower end of light source strut, the upper end of the light source strut It is horizontally fixed in the middle part of the lower surface of light source fixes sleeve, light source shaft is rotatably connected in the middle part of the light source fixes sleeve, The left end of the light source shaft is connected with the driving end of the second rotational drive motor, and the right end vertical of the light source shaft is fixed with Light source connecting rod, the right side wall upper and lower ends of the light source connecting rod are respectively fixed with upper mounted plate and bottom plate, it is described on Even level is fixed with the left end of laser pen on the right side wall of fixed plate, and the quantity of the laser pen is three, the lower fixation Luminous character is fixed on the right side wall of plate, the Luminous character is set as p-type, and the upper surface middle part of the blank pedestal is fixed There are the lower end of blank strut, the upper center of the blank strut to be vertically fixed blank, set on the front side wall of the experimental bench There is graduation mark, the center of the zero curve and convex lens, concavees lens of the graduation mark is located on same perpendicular, by the graduation mark Scale by zero curve, both sides are sequentially increased to the left and right, the left and right ends of the experimental bench be respectively symmetrically fixed with left stepper motor and Right stepper motor.

Preferably, the left stepper motor and right stepper motor are electrically connected with left slider and right sliding block respectively.

Preferably, position corresponding with concavees lens is fixed with baffle on the right side wall of the lens strut, the baffle Width is more than the width of convex lens and concavees lens.

Preferably, the front side wall lower end of the light source base and blank pedestal is respectively fixed with reading holder, the reading Holder is in inverted L shape, and the rear wall of vertical plate of the reading holder is contacted with the front side wall of experimental bench, and the reading holder erects The middle part of the front side wall of straight panel vertically be equipped with reading graticule, left and right two reading graticules respectively with the center of Luminous character and The center of blank is located on same perpendicular.

Preferably, the center of the convex lens and the center of blank are located in same horizontal line, in the Luminous character The center of the heart and concavees lens is located in same horizontal line.

Compared with prior art, the utility model has the beneficial effects that：A kind of Physical Experiment lens are filled by this experiment It sets the experiment that can not only carry out convex lens imaging principle but also convex lens and concavees lens can be carried out to experiments such as the refractions of directional light, turning It when changing lens, drives lens shaft to rotate 180 degree by the first rotational drive motor, the position of convex lens and concavees lens can be turned It changes, it is simple to operate, two groups of light sources are set, and one group of directional light formed for three horizontally disposed laser pens, another group is It is set as the Luminous character of p-type, when replacing light source, the second rotational drive motor drives the rotation 180 degree of light source shaft, can will swash The position of light pen and Luminous character is converted, and is not required to adjustment light source height, electric respectively by left stepper motor and right stepper motor The movement of dynamic control lens and blank, is not required to manual movement, is conducive to obtain accurate experimental data, control reading mark when reading The corresponding graduation mark of line, it is ensured that the accuracy of reading, it is ensured that experimental result it is accurate.

Description of the drawings

Fig. 1 is the main structure diagram of the utility model；

Fig. 2 is the overlooking structure diagram of the utility model；

Fig. 3 is the left slider of the utility model and right slide block structure schematic diagram.

In figure：1- experimental benches, 2- lens mounts, 3- lens strut, 4- lens fixes sleeve, 5- lens shaft, 6- first Rotational drive motor, 7- lens connecting rods, 8- convex lenses, 9- concavees lens, the left sliding slots of 10-, 11- right rails, 12- left sliders, 13- Right sliding block, 14- light source bases, 15- blanks pedestal, 16- light sources strut, 17- light sources fixes sleeve, 18- light sources shaft, 19- Two rotational drive motors, 20- upper mounted plates, 21- bottom plates, 22- laser pens, 23- Luminous characters, 24- blanks strut, 25- Blank, 26- graduation marks, the left stepper motors of 27-, the right stepper motors of 28-, 29- baffles, 30- read holder, 31- reads graticule, 32- light source connecting rods.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of Physical Experiment lens, including experimental bench 1, the experimental bench is fixedly arranged in the middle of lens mount 2, and for fixing lens, the upper surface middle part of the lens mount is fixed with The lower end of lens strut 3, for lens strut for fixing lens fixes sleeve, the upper end of the lens strut is horizontally fixed with lens In the middle part of the lower surface of fixes sleeve 4, the middle part of lens shaft 5 is rotatably connected in the middle part of the lens fixes sleeve, it is described The left end of mirror shaft is connected with the driving end of the first rotational drive motor 6, and the first rotational drive motor drives the rotation of lens shaft, The right end vertical of the lens shaft is fixed with lens connecting rod 7, and lens connecting rod fixes convex lens and concavees lens, the lens The upper end of connecting rod is vertically fixed the lower end of convex lens 8, and the lower end of the lens connecting rod is vertically fixed the upper of concavees lens 9 End, the center of the convex lens and the center of concavees lens are located on same vertical line, when carrying out different experiments, need to use respectively To convex lens and concavees lens, in convertible lens, drives lens shaft to rotate 180 degree by the first rotational drive motor, can incite somebody to action The position of convex lens and concavees lens is converted, simple to operate, right respectively in the middle part of the left and right sides of the upper surface of the experimental bench Claim to be equipped with left sliding slot 10 and right rail 11, the left sliding slot and right rail are located at the left and right sides of lens mount, the left side The inside of sliding slot and right rail slidably connects left slider 12 and right sliding block 13 respectively, and left slider and right sliding block respectively can be on a left sides The upper end of sliding in sliding slot and right rail, the left slider and right sliding block is separately fixed at light source base 14 and blank pedestal 15 In the middle part of lower surface, the change of light source base and blank position base, the light source are realized by the sliding of left slider and right sliding block The upper surface middle part of pedestal is fixed with the lower end of light source strut 16, fixed light source fixes sleeve, the upper end water of the light source strut It is flat to be fixed in the middle part of the lower surface of light source fixes sleeve 17, it is rotatably connected to light source shaft in the middle part of the light source fixes sleeve 18, the left end of the light source shaft is connected with the driving end of the second rotational drive motor 19, and the second rotational drive motor drives light The right end vertical of the rotation of source shaft, the light source shaft is fixed with light source connecting rod 32, the right side wall of the light source connecting rod Upper and lower ends are respectively fixed with upper mounted plate 20 and bottom plate 21, and even level is fixed on the right side wall of fixed plate The quantity of the left end of laser pen 22, the laser pen is three, and three horizontally disposed laser pens can be used as directional light, under described Luminous character 23 is fixed on the right side wall of fixed plate, the Luminous character is set as p-type, and Luminous character can replace candle, both The positive feature for facilitating observation to be imaged, is not required to cleaning wax oil, and the upper surface middle part of the blank pedestal is fixed with blank strut 24 Lower end, fixed blank, the upper center of the blank strut is vertically fixed blank 25, described convenient for observation lens imaging The front side wall of experimental bench is equipped with graduation mark 26, facilitates the record distance of blank and light source away from lens centre, the graduation mark Zero curve and convex lens, concavees lens center be located on same perpendicular, by the scale of the graduation mark by zero curve to the left and right two Side is sequentially increased, and convenient for reading, the left and right ends of the experimental bench are respectively symmetrically fixed with left stepper motor 27 and right stepping electricity Machine 28.

Specifically, the left stepper motor and right stepper motor are electrically connected with left slider and right sliding block respectively, left stepping Motor and right stepper motor respectively drive left slider and the movement of right sliding block.

Specifically, position corresponding with concavees lens is fixed with baffle 29, the gear on the right side wall of the lens strut The width of plate is more than the width of convex lens and concavees lens, blocks the lens that lower end does not use, and light source irradiation is avoided to interfere.

Specifically, the front side wall lower end of the light source base and blank pedestal is respectively fixed with reading holder 30, it is described It is in inverted L shape to read holder, and the rear wall of vertical plate of the reading holder is contacted with the front side wall of experimental bench, the reading holder Vertical plate front side wall middle part vertically be equipped with reading graticule 31, left and right two reading graticules respectively with Luminous character Center and the center of blank are located on same perpendicular, the corresponding graduation mark of control reading graticule, it is ensured that reading it is accurate Property, it is ensured that experimental result it is accurate.

Specifically, the center of the convex lens and the center of blank are located in same horizontal line, the Luminous character Center and the center of concavees lens are located in same horizontal line.

Operation principle：A kind of Physical Experiment lens of the utility model offer need to use respectively when carrying out different experiments To convex lens and concavees lens, in convertible lens, drives lens shaft to rotate 180 degree by the first rotational drive motor, can incite somebody to action The position of convex lens and concavees lens is converted, simple to operate, and two groups of light sources are arranged, and one group is three horizontally disposed laser pens The directional light of formation, another group is the Luminous character for being set as p-type, if using candle as light source, with candle combustion light source height Changing, also needs frequently to adjust, and candle easily drips wax oil, be not easy to clear up, Luminous character facilitates the positive feature that observation is imaged, and Light source height is fixed, easy to operate, and when replacing light source, the second rotational drive motor drives the rotation 180 degree of light source shaft, can be incited somebody to action The position of laser pen and Luminous character is converted, and imaging results are shown on blank, and left stepper motor and right stepper motor drive respectively Dynamic left slider and the movement of right sliding block, the corresponding graduation mark of control reading graticule, it is ensured that the accuracy of reading.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of Physical Experiment lens, including experimental bench (1), it is characterised in that：Experimental bench (1) is fixedly arranged in the middle of The upper surface middle part of mirror pedestal (2), the lens mount (2) is fixed with the lower end of lens strut (3), the lens strut (3) Upper end be horizontally fixed in the middle part of the lower surface of lens fixes sleeve (4), the middle part rotation connection of the lens fixes sleeve (4) There are the middle part of lens shaft (5), the left end of the lens shaft (5) to be connected with the driving end of the first rotational drive motor (6), institute The right end vertical for stating lens shaft (5) is fixed with lens connecting rod (7), and the upper end of the lens connecting rod (7) is vertically fixed The lower end of the lower end of convex lens (8), the lens connecting rod (7) is vertically fixed the upper end of concavees lens (9), the convex lens (8) center at center and concavees lens (9) is located on same vertical line, in the left and right sides of the upper surface of the experimental bench (1) Portion is arranged with left sliding slot (10) and right rail (11) respectively, and the left sliding slot (10) and right rail (11) are located at lens bottom The inside of the left and right sides of seat (2), the left sliding slot (10) and right rail (11) slidably connects left slider (12) and the right side respectively The upper end of sliding block (13), the left slider (12) and right sliding block (13) is separately fixed at light source base (14) and blank pedestal (15) Lower surface in the middle part of, the upper surface middle part of the light source base (14) is fixed with the lower end of light source strut (16), the light source branch The upper end of bar (16) is horizontally fixed in the middle part of the lower surface of light source fixes sleeve (17), the middle part of the light source fixes sleeve (17) It is rotatably connected to light source shaft (18), the left end of the light source shaft (18) is connected with the driving of the second rotational drive motor (19) End, the right end vertical of the light source shaft (18) are fixed with light source connecting rod (32), the right side wall of the light source connecting rod (32) Upper and lower ends are respectively fixed with upper mounted plate (20) and bottom plate (21), uniform water on the right side wall of fixed plate (20) The quantity of the flat left end for being fixed with laser pen (22), the laser pen (22) is three, the right side wall of the bottom plate (21) On be fixed with Luminous character (23), the Luminous character (23) is set as p-type, and the upper surface middle part of the blank pedestal (15) is solid There are the lower end of blank strut (24), the upper center of the blank strut (24) to be vertically fixed blank (25), the experiment surely The front side wall of platform (1) is equipped with graduation mark (26), the center of the zero curve and convex lens (8), concavees lens (9) of the graduation mark (26) On same perpendicular, by the scale of the graduation mark (26), by zero curve, both sides are sequentially increased to the left and right, the experimental bench (1) left and right ends are respectively symmetrically fixed with left stepper motor (27) and right stepper motor (28).

2. a kind of Physical Experiment lens according to claim 1, it is characterised in that：The left stepper motor (27) and the right side Stepper motor (28) is electrically connected with left slider (12) and right sliding block (13) respectively.

3. a kind of Physical Experiment lens according to claim 1, it is characterised in that：The right side of the lens strut (3) Position corresponding with concavees lens (9) is fixed with baffle (29) on wall, and the width of the baffle (29) is more than convex lens (8) and recessed The width of mirror (9).

4. a kind of Physical Experiment lens according to claim 1, it is characterised in that：The light source base (14) and blank The front side wall lower end of pedestal (15) is respectively fixed with reading holder (30), and the reading holder (30) is in inverted L shape, the reading branch The rear wall of the vertical plate of frame (30) is contacted with the front side wall of experimental bench (1), the front side of the vertical plate of the reading holder (30) The middle part of wall is equipped with reading graticule (31) vertically, controls two reading graticules (31) center with Luminous character (23) respectively It is located on same perpendicular with the center of blank (25).

5. a kind of Physical Experiment lens according to claim 1, it is characterised in that：The center of the convex lens (8) and The center of blank (25) is located in same horizontal line, and the center of the Luminous character (23) and the center of concavees lens (9) are located at together On one horizontal line.