CN212010064U - Light propagation demonstration device - Google Patents

Abstract

The utility model relates to a light propagation technical field specifically is a light propagation presentation device, comprising a base plate, there is the mapping board upper surface of bottom plate through bolted connection, the welding of the upper end of bottom plate has fixed case, the inside of fixed case is provided with adjustment mechanism, adjustment mechanism's right-hand member is provided with clamping mechanism, clamping mechanism's inside is provided with the laser gun, the transmission water-jug has been placed to the upper end of bottom plate, the laser gun is located the left of transmission water-jug, the top threaded connection of transmission water-jug has the bottle lid. This light propagation presentation device faces the transmission water-jug through the laser rifle, can be very clear see the refraction propagation phenomenon of light in aqueous to carry out scientific optics propagation demonstration, through the regulation to the laser rifle multi-angle, through the angle change from top to bottom and front and back, realize the phenomenon demonstration of many-sided light refraction propagation, thereby can propagate demonstration in-process more directly perceived easily to whole light.

Description

Light propagation demonstration device

Technical Field

The utility model relates to a light propagation technical field specifically is a light propagation presentation device.

Background

The premise for light to travel along a straight line is in a homogeneous medium. The light propagates linearly not only in a uniform medium but also in the same medium. It may be simply referred to as straight-line propagation of light, and cannot be straight-line propagation of light. Light is refracted at the interface of two homogeneous media, and thus does not travel straight.

And in the middle of the teaching demonstration, need carry out reasonable experiment demonstration to the propagation of light to the effectual principle of proving light propagation for the student, and present experiment demonstration equipment, it is more crude, the influence factor of high angle is great, leads to the in-process data parameter at the demonstration experiment to have the error of certain degree, causes the influence of certain degree to the teaching demonstration.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light propagation presentation device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a light propagation presentation device, includes the bottom plate, there is the mapping board the upper surface of bottom plate through bolted connection, the upper end welding of bottom plate has fixed case, the inside of fixed case is provided with adjustment mechanism, adjustment mechanism's right-hand member is provided with clamping mechanism, clamping mechanism's inside is provided with the laser gun, the transmission water-jug has been placed to the upper end of bottom plate, the laser gun is located the left of transmission water-jug, the top threaded connection of transmission water-jug has the bottle lid, peg graft at the top of bottle lid and have the cylinder, the inner wall sliding connection of cylinder has the piston rod.

Preferably, the transmission water bottle is made of transparent glass, and the surface of the needle cylinder is provided with scale marks.

Preferably, adjustment mechanism is including the arc, the arc has been seted up to the inside of arc, the inner wall sliding connection of arc has the guide post, the top welding of guide post has the connecting plate, the left end of connecting plate is rotated and is connected at the top of arc.

Preferably, the left end welding of arc has the spliced pole, the left end welding of spliced pole has adjusting gear, adjusting gear's middle part welding has the axis of rotation, the both ends of axis of rotation are rotated and are connected the inside at fixed case, adjusting gear's surface toothing has adjusting screw, adjusting screw's lower extreme rotates the inside of connecting at fixed case.

Preferably, the clamping mechanism comprises a fixed plate, a placing groove is formed in the fixed plate, the laser gun is located in the placing groove, two clamping springs are welded on the inner wall of the fixed plate, a clamping plate is welded at the front ends of the clamping springs, a rotating groove is formed in the left end of the fixed plate, and the inner wall of the rotating groove is connected to the surface of the arc-shaped plate in a sliding mode.

Preferably, the right end of the connecting plate is welded on the top of the fixing plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this light propagation presentation device, face the transmission water-jug through the laser rifle, the inside mixture that is equipped with a small amount of milk and water of transmission water-jug, through white emulsion form, can be very clear see the refraction propagation phenomenon of light in aqueous, more direct bright, and the mapping board is the contrast board of giving light, whether can refract on the surface of mapping board, it is a little still line to look over, thereby carry out scientific optics propagation demonstration, through the regulation to the laser rifle multi-angle, through upper and lower and fore-and-aft angle change, realize the phenomenon demonstration of many-sided light refraction propagation, thereby can be to the more directly perceived understandability of whole light propagation demonstration in-process, and easy operation is convenient.

2. This light propagation presentation device through placing the laser gun in the inside of standing groove, promotes the clamp plate through two clamp spring's effect and removes, presss from both sides on the surface of laser gun, realizes the fixed to the laser gun, and it is not hard up to guarantee that the position can not appear to demonstrate the accuracy of data.

Drawings

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

fig. 2 is a schematic view of an adjusting mechanism of the present invention;

fig. 3 is a schematic back view of the middle clamping mechanism of the present invention.

In the figure: 1. a base plate; 2. a mapping plate; 3. a transmission water bottle; 4. a needle cylinder; 5. a piston rod; 6. an adjustment mechanism; 61. an arc-shaped plate; 62. a connecting plate; 63. an arc-shaped slot; 64. a guide post; 65. an adjusting gear; 66. connecting columns; 67. adjusting the screw rod; 68. a rotating shaft; 7. a clamping mechanism; 71. a fixing plate; 72. a clamping plate; 73. a clamping spring; 74. a placement groove; 75. a rotating groove; 8. a laser gun; 9. a fixed box; 10. and (7) a bottle cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a light propagation presentation device, comprising a base plate 1, there is mapping board 2 bottom plate 1's upper surface through bolted connection, the upper end welding of bottom plate 1 has fixed case 9, the inside of fixed case 9 is provided with adjustment mechanism 6, adjustment mechanism 6's right-hand member is provided with clamping mechanism 7, clamping mechanism 7's inside is provided with laser gun 8, transmission water bottle 3 has been placed to bottom plate 1's upper end, laser gun 8 is located transmission water bottle 3's left, transmission water bottle 3's top threaded connection has bottle lid 10, it has cylinder 4 to peg graft at bottle lid 10's top, the inner wall sliding connection of cylinder 4 has piston rod 5, reciprocate through piston rod 5, to 3 inside water injections or the pumping of carrying out of transmission water bottle, look over the propagation phenomenon of light again through the water yield of difference, make experimental data and theoretical data obtain more.

In addition, the transmission water bottle 3 adopts transparent glass material, and the surface of cylinder 4 has been seted up the scale mark and has just can be with light transmission to aquatic through glass material laser, propagates, and the scale mark is to carrying out reasonable contrast to the experiment parameter.

Besides, adjustment mechanism 6 is including arc 61, and arc 63 has been seted up to arc 61's inside, and the inner wall sliding connection of arc 63 has guide post 64, and the top welding of guide post 64 has connecting plate 62, and the left end of connecting plate 62 is rotated and is connected at the top of arc 61, through rotating fixed plate 71, realizes the position transform to laser gun 8, carries out the experiment of multi-angle and verifies, and guide post 64 plays the directional action of certain degree.

Further, the left end welding of arc 61 has spliced pole 66, the left end welding of spliced pole 66 has adjusting gear 65, adjusting gear 65's middle part welding has axis of rotation 68, the both ends of axis of rotation 68 are rotated and are connected the inside at fixed case 9, adjusting gear 65's surface toothing has adjusting screw 67, adjusting screw 67's lower extreme is rotated and is connected the inside at fixed case 9, through rotating adjusting screw 67 to adjusting gear 65's rotation, thereby drive whole laser gun 8 and carry out the angle modulation that reciprocates, and easy operation is convenient.

Furthermore, the clamping mechanism 7 includes a fixing plate 71, a placing groove 74 is formed in the fixing plate 71, the laser gun 8 is located in the placing groove 74, two clamping springs 73 are welded to the inner wall of the fixing plate 71, a clamping plate 72 is welded to the front end of each clamping spring 73, a rotating groove 75 is formed in the left end of the fixing plate 71, the inner wall of the rotating groove 75 is slidably connected to the surface of the arc-shaped plate 61, and the laser gun 8 is rapidly fixed through the two clamping springs 73.

It is noted that the right end of the connecting plate 62 is welded to the top of the fixed plate 71.

The light propagation demonstration device of the utility model is used, the laser gun 8 is placed in the placing groove 74, the clamping plate 72 is pushed to move under the action of the two clamping springs 73 and is clamped on the surface of the laser gun 8, the surface of the laser gun 8 is clamped and fixed, the position is ensured not to be loosened, the laser gun 8 is right opposite to the transmission water bottle 3, a small amount of milk and water mixture is arranged in the transmission water bottle 3, the refraction propagation phenomenon of light in water can be clearly seen through white emulsion, the light is more direct and vivid, the mapping plate 2 is a contrast plate for light, whether the light can be refracted on the surface of the mapping plate 2 or not is checked, whether the light is a point or a line, thereby scientific optical propagation demonstration is carried out, the light is more visual, water injection or water injection can be carried out to the inside of the transmission water bottle 3 through the needle cylinder 4 and the piston rod 5, the refraction change of the light can be checked through changing the depth of water, because the angle also can have certain influence to the light, through rotating the horizontal switching of angle of the rotatory realization of carrying on back and forth of connecting plate 62 drive whole clamping mechanism 7, and rotate adjusting screw 67 and can drive adjusting gear 65's rotation to drive laser gun 8 and carry out the regulation of angle from top to bottom, through angle change from top to bottom and front and back, realize the demonstration of the phenomenon of many-sided light refraction propagation.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A light propagation demonstration apparatus comprising a base plate (1), characterized in that: the upper surface of bottom plate (1) has mapping board (2) through bolted connection, the upper end welding of bottom plate (1) has fixed case (9), the inside of fixed case (9) is provided with adjustment mechanism (6), the right-hand member of adjustment mechanism (6) is provided with clamping mechanism (7), the inside of clamping mechanism (7) is provided with laser gun (8), transmission water bottle (3) have been placed to the upper end of bottom plate (1), laser gun (8) are located the left of transmission water bottle (3), the top threaded connection of transmission water bottle (3) has bottle lid (10), cylinder (4) have been pegged graft at the top of bottle lid (10), the inner wall sliding connection of cylinder (4) has piston rod (5).

2. A light propagation presentation device as claimed in claim 1, wherein: the transmission water bottle (3) is made of transparent glass, and scale marks are arranged on the surface of the needle cylinder (4).

3. A light propagation presentation device as claimed in claim 1, wherein: adjustment mechanism (6) are including arc (61), arc (63) have been seted up to the inside of arc (61), the inner wall sliding connection of arc (63) has guide post (64), the top welding of guide post (64) has connecting plate (62), the left end of connecting plate (62) is rotated and is connected the top at arc (61).

4. A light propagation presentation device as claimed in claim 3, wherein: the left end welding of arc (61) has spliced pole (66), the left end welding of spliced pole (66) has adjusting gear (65), the middle part welding of adjusting gear (65) has axis of rotation (68), the both ends of axis of rotation (68) are rotated and are connected in the inside of fixed case (9), the surface meshing of adjusting gear (65) has adjusting screw (67), the lower extreme of adjusting screw (67) is rotated and is connected in the inside of fixed case (9).

5. A light propagation presentation device as claimed in claim 1, wherein: clamping mechanism (7) is including fixed plate (71), standing groove (74) have been seted up to the inside of fixed plate (71), laser gun (8) are located the inside of standing groove (74), the inner wall welding of fixed plate (71) has two clamping spring (73), the front end welding of clamping spring (73) has clamping plate (72), rotation groove (75) have been seted up to the left end of fixed plate (71), the inner wall sliding connection of rotation groove (75) is on the surface of arc (61).

6. A light propagation presentation device as claimed in claim 3, wherein: the right end of the connecting plate (62) is welded on the top of the fixing plate (71).

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