CN108538169A - Outer frame mechanism of lens imaging demonstrator for popular science teaching - Google Patents

Abstract

The invention belongs to the technical field of science popularization teaching tools, and particularly relates to an outer frame mechanism of a lens imaging demonstrator for science popularization teaching. The invention discloses an outer frame mechanism of a lens imaging demonstrator for science popularization teaching, which is formed by assembling two outer side plates, an outer bottom plate and an outer back plate, wherein a film is arranged on the outer back plate, and a guide rail is arranged on the outer bottom plate; the outer bottom plate is provided with support legs, and the front ends of the support legs are clamped on the outer rear plate and extend into the outer frame to form guide rails. The invention has the beneficial effects that: the working condition and the principle of lens imaging can be more intuitively and simply displayed, and meanwhile, the experiment interestingness can be enhanced.

Description

Outer frame mechanism of lens imaging demonstrator for popular science teaching

technical field

The invention belongs to the technical field of popular science teaching appliances, in particular to an outer frame mechanism of a lens imaging demonstrator for popular science teaching.

Background technique

At present, when the school teaches physics, it is basically theoretical, and there are not many practical applications and actual operations. As a result, many students are very clear about theoretical knowledge, but they have not even seen it in practice. It has caused many students to have high eyesight and low hands, which has a great impact on the all-round development of students. Lens imaging is often seen and used in daily life, and it is the basis for the operation of many devices. In the current school teaching, there is no simple device to intuitively demonstrate the working principle and working conditions of lens imaging.

Contents of the invention

The purpose of the present invention is to solve the technical problems described above, and to provide an outer frame mechanism of a lens imaging demonstrator for popular science teaching that can display the working conditions and principles of lens imaging more intuitively and simply, and can enhance the interest of experiments , its technical scheme is as follows:

The outer frame mechanism of the lens imaging demonstrator for popular science teaching is characterized in that it is assembled from two outer plates, an outer bottom plate and an outer rear plate, the outer rear plate is provided with a film, and the outer base plate is provided with There are guide rails; the outer bottom plate is provided with feet, and the front ends of the feet are clamped on the outer rear board and extend into the inside of the outer frame to form guide rails. The outer frame is mainly used to place the film, which is convenient for observation and imaging, and also provides a sports place for the inner frame. The guide rail is mainly used to guide the moving direction of the inner frame, making imaging easier and simpler. The outer frame is assembled by two outer panels, outer bottom panel and outer rear panel, which can be assembled during use to enhance students' hands-on ability and make the imaging principle clearer during assembly. The guide rail is the part where the front end of the foot extends into the outer frame, so that the foot can be used for multiple purposes. It does not need to add another part to realize the guiding function, making the production easier, and the assembly is simpler and more ingenious, which is more inspiring for students. .

Preferably, there are three supporting legs, and the front ends of the three supporting legs are clamped on the outer bottom plate and extend into the inside of the outer frame to meet at one point. The front ends of the three legs meet at one point in the outer frame, which can make the legs support each other, making the support more firm and stable. At the same time, the front end of one of the legs is a guide rail, which has better stability, so that the entire guide rail does not Easy to move.

In a preferred manner, the side of the outer rear plate is provided with a snap-fit groove opening downward, and the side of the outer plate is connected to the outer rear plate through the snap-fit groove. The clamping groove can make the connection between the outer rear panel and the outer panel more stable, and it is not easy to fall off and fall apart.

The beneficial effect of the present invention is that the working condition and principle of lens imaging can be displayed more intuitively and simply, and at the same time, the interestingness of the experiment can be enhanced.

Description of drawings

Figure 1 is a schematic diagram of the present invention.

Fig. 2 is a partially disassembled schematic diagram of the present invention.

Detailed ways

Below in conjunction with Fig. 1 and Fig. 2 specific description embodiment:

The assembled lens imaging demonstrator for popular science teaching includes an outer frame 1 and an inner frame 2. The outer frame 1 is assembled from two outer panels 3, an outer bottom panel 4 and an outer rear panel 5. The outer rear panel A film 6 is arranged on the top, and a guide rail 7 is arranged on the outer bottom board; the inner frame is composed of two inner side boards 8, an inner bottom board 9 and an inner front board 10, and a lens is arranged on the inner front board 11. There is a guide groove 12 on the inner bottom plate, and the guide rail is inserted in the guide groove. The inner frame slides in the outer frame through the guiding action of the guide rail and the guide groove. The bottom of the outer frame is provided with a foot 13 .

In a preferred manner, the front ends of the legs are clamped on the outer rear panel and extend into the inside of the outer frame to form guide rails.

Preferably, there are three supporting legs, and the front ends of the three supporting legs are clamped on the outer bottom plate and extend into the inside of the outer frame to meet at one point.

Preferably, the side of the outer rear plate is provided with a snap-fit groove 14 opening downward, and the side of the outer side plate is connected to the outer rear plate through the snap-fit groove.

Preferably, a lens groove 15 is opened at the center of the inner front panel, and both sides of the inner front panel are connected to the inner panel through arc-shaped ear pieces 16 .

Preferably, the film is a frosted translucent film.

In actual use, the outer frame 1, the inner frame 2, and the feet are made of wood, the outer frame 1, the inner frame 2, and the feet are assembled by multiple pieces of wood, and the whole device is built with wood chips Yes, this kind of setting can greatly reduce the cost of the whole device. At the same time, it needs to be built when it is used, which can enhance the students' hands-on ability. can actually be combined.

Claims (3)

1. The outer frame mechanism of the lens imaging demonstrator for popular science teaching is characterized in that it is assembled from two outer plates, an outer bottom plate and an outer rear plate, the outer rear plate is provided with a film, and the outer bottom plate Guide rails are arranged on the upper surface; feet are arranged on the outer bottom plate, and the front ends of the feet are clamped on the outer rear board and extend into the inside of the outer frame to form guide rails. 2. The outer frame mechanism of the lens imaging demonstrator for popular science teaching as claimed in claim 1, wherein there are 3 legs, and the front ends of the 3 legs are clamped on the outer bottom plate and extend into the inside of the outer frame meet at one point. 3. The outer frame mechanism of the lens imaging demonstrator for popular science teaching as claimed in claim 1, characterized in that, the side of the outer rear plate is provided with a snap-fit groove with an opening downward, and the side of the outer plate is The part is connected with the outer rear plate through the clamping groove.