CN212135710U - A display device for teaching and training - Google Patents

Abstract

The utility model discloses a display device for teaching and training, which comprises a support leg, an electric sliding rail, a telescopic rod and a magnifying glass. A connecting rod is fixedly installed at one end of the ball hinge away from the electric sliding rail by welding, and the connecting rod is far away from the electric sliding rail. One end of the ball hinge is fixedly installed with a telescopic rod by welding, one end of the telescopic rod away from the connecting rod is fixedly installed with a magnifying glass, and one end of the protective frame is remote from the convex lens is fixedly installed with a magnetic suction ring by welding. Rails, telescopic rods and magnifying glass, realize that when explaining the details of painting, through the cooperation of electric slide rails and telescopic rods, the magnifying glass can be moved to the required area to magnify the details of the work, and the display board is easy to remove and fix, which is convenient for teaching It is convenient for teachers to move the display board to show students in turn, which improves the teaching quality and teaching efficiency of teachers.

Description

A display device for teaching and training

technical field

The utility model relates to the technical field of teaching display, in particular to a display device used for teaching and training.

Background technique

With the rapid development of modern teaching, the mode of training and teaching is unavoidable. In class, teachers often need to use pictures and texts to facilitate students' direct observation and mastery.

However, there are some drawbacks in the use of traditional teaching and training display devices, such as:

1. In the process of painting teaching, it is necessary to display samples or excellent works. When the teacher explains the details of the painting during the display process, due to the limited size of the works, the details are often unclear, and the traditional display devices cannot be displayed. detail.

2. The traditional painting teaching display board is fixed and inconvenient to move. When teachers teach in the classroom, they cannot effectively display mobile pictures and texts for students, which affects the teaching quality of teachers and reduces teaching efficiency.

Utility model content

The purpose of the present invention is to provide a display device for teaching and training, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a display device for teaching and training, comprising a support leg, an electric slide rail, a telescopic rod and a magnifying glass; A support rod is fixedly installed above the center of the support legs by welding, a fastening screw is movably installed on the upper side of the support rod through threads, and a display board is fixedly installed between the support rods through fastening screws, and the display board is installed. A magnetic attraction block is placed on the upper part by magnetic attraction, one of the support rods is correspondingly perpendicular to the side where the fastening screws are installed, and an electric sliding rail is fixedly installed with bolts, and the two ends of the electric sliding rail are fixedly installed with limit blocks by bolts , a ball hinge is installed between the corresponding limit blocks on the electric slide rail, and a connecting rod is fixedly installed by welding at one end of the ball hinge away from the electric slide rail, and one end of the connecting rod away from the ball hinge is fixed by welding A telescopic rod is installed, and one end of the telescopic rod away from the connecting rod is fixedly installed with a magnifying glass by welding. The magnifying glass includes a protective frame. One end of the protective frame is fixedly installed with a convex lens by clamping, and the end of the protective frame away from the convex lens is welded by welding. A magnetic suction ring is fixedly installed.

Further, the distance from the end of the magnetic ring away from the convex lens to the convex lens is 0.5-0.8 times the focal length of the convex lens, which is used to ensure a good magnification effect when the magnifying glass is placed above the work.

Further, a handle is fixedly installed on the center of the top of the display board by screws, so that the display board can be moved conveniently.

Further, the display board is made of iron sheet, so that the magnetic attraction ring and the magnetic attraction block can be adsorbed on the display board.

Further, the support rod is provided with threaded holes in an array on one side corresponding to which the fastening screws are installed, so that the position of the display board can be adjusted by adjusting the positions of the fastening screws on the threaded holes.

Further, when the telescopic rod is in the longest state, the length is the same as that of the display board, so that the moving range of the magnifying glass can cover the entire display board.

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

1. The utility model realizes that when explaining the details of the painting, the cooperation of the electric slide rail and the telescopic rod makes the magnifying glass move to the required area to amplify the details of the work by setting up the electric slide rail, the telescopic rod and the magnifying glass, which is convenient for students. Clear understanding improves the quality of teaching and training.

2. The utility model realizes the convenient removal and fixing of the display board through the provided support rods and fastening screws, which is convenient for teachers to move the display board to display to students in turn during teaching, and improves the teaching quality and teaching efficiency of teachers.

Description of drawings

Fig. 1 is the overall front view structure schematic diagram of the utility model;

Fig. 2 is the overall left side structural schematic diagram of the utility model;

Fig. 3 is the overall top view structure schematic diagram of the utility model;

FIG. 4 is a schematic view of the cross-sectional structure of the magnifying glass of the present invention.

In Figure 1-4: 1-support leg; 2-support rod; 3-limit block; 4-electric slide rail; 5-ball hinge; 6-connecting rod; 7-extension rod; 8-magnifying glass; 801-protection Frame; 802-magnetic ring; 803-convex lens; 9-display board; 10-magnetic block; 11-fastening screw; 12-caster.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present utility model provides a technical solution: a display device for teaching and training, comprising a support leg 1, an electric slide 4, a telescopic rod 7 and a magnifying glass 8, the two ends of the support leg 1 The bottom is fixed with casters 12 by bolts, which is convenient for the movement of the whole device. A support rod 2 is fixedly installed above the center of the support leg 1 by welding, which is used to support the display board 9 and the electric slide rail 4. A fastening screw 11 is movably installed on the side through the thread to fasten the display board 9, the display board 9 is fixedly installed between the support rods 2 through the fastening screw 11, and a magnetic field is placed on the display board 9 by magnetic adsorption. The suction block 10 is used to fix the painting, one of the support rods 2 is correspondingly perpendicular to the side where the fastening screw 11 is installed, and an electric sliding rail 4 is fixed by bolts, and the two ends of the electric sliding rail 4 are fixed by bolts A limit block 3 is installed to prevent the ball hinge 5 from deviating from the track, and a ball hinge 5 is installed between the corresponding limit blocks 3 on the electric slide rail 4 through a snap connection to adjust the angle of the telescopic rod 7. The ball One end of the hinge 5 away from the electric slide rail 4 is fixedly installed with a connecting rod 6 by welding, and one end of the connecting rod 6 away from the ball hinge 5 is fixedly installed with a telescopic rod 7 by welding, which is used to move the magnifying glass 8 to the required position. One end of the rod 7 away from the connecting rod 6 is fixedly mounted with a magnifying glass 8 by welding. The magnifying glass 8 includes a protective frame 801. One end of the protective frame 801 is fixedly installed with a convex lens 803 by clamping, and the end of the protective frame 801 away from the convex lens 803 passes through A magnetic attracting ring 802 is fixed and installed by welding, which is used to adsorb the magnifying glass 8 on the display board 9 to prevent the magnifying glass 8 from moving freely.

The distance from the end of the magnetic ring 802 away from the convex lens 803 to the convex lens 803 is 0.5-0.8 times the focal length of the convex lens, which is used to ensure a good magnification effect when the magnifying glass 8 is placed above the work. The center of the top of the display board 9 is fixed with a handle by screws. , it is convenient to move the display board 9, the display board 9 is made of iron sheet, so that the magnetic attraction ring 802 and the magnetic attraction block 10 can be adsorbed on the display board 9, the support rod 2 is correspondingly installed with the fastening screws 11 on one side of the array Threaded holes are provided, so that the position of the display board 9 can be adjusted by adjusting the position of the fastening screw 11 on the threaded hole. The entire display board 9.

Working principle: When in use, fix the painting on the display board 9 through the magnetic attraction block 10. During the explanation, the magnifying glass 8 is moved up and down through the electric slide The adjustment makes the magnifying glass 8 move to the top of the painting that needs to be explained, and the magnifying glass 8 is fixed on the top of the painting through the magnetic attraction ring 802 for explanation, which is convenient for students to understand clearly. After the explanation is over, remove the magnifying glass 8 and move the magnifying glass 8 to the bottom of the painting. The painting works can be removed by removing the magnetic block 10. When it is necessary to move and explain, the display board 9 can be removed by loosening the fastening screws 11 and lifted by the handle, which is convenient for the moving display of the display board 9. When it is necessary to adjust the display board 9 When the height is adjusted, loosen the fastening screws 11 to place the display board 9 at a suitable height, adjust the position of the fastening screws 11 on the support rod 2 and then fasten the fastening screws 11 .

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a display device for teaching training, includes supporting leg (1), electronic slide rail (4), telescopic link (7) and magnifying glass (8), there are truckle (12) supporting leg (1) both ends bottom through bolt fixed mounting, there are bracing piece (2), its characterized in that supporting leg (1) central authorities top through welding fixed mounting: one side of the support rod (2) is movably provided with fastening screws (11) through threads, a display plate (9) is fixedly arranged between the support rods (2) through the fastening screws (11), the display plate (9) is adsorbed by magnetic force and placed with a magnetic suction block (10), one of the support rods (2) is fixedly provided with an electric slide rail (4) through bolts corresponding to the side perpendicular to the side provided with the fastening screws (11), two ends of the electric slide rail (4) are fixedly provided with limit blocks (3) through bolts, a ball hinge (5) is movably arranged between the limit blocks (3) through clamping, one end of the ball hinge (5) far away from the electric slide rail (4) is fixedly provided with a connecting rod (6) through welding, one end of the connecting rod (6) far away from the ball hinge (5) is fixedly provided with a telescopic rod (7) through welding, connecting rod (6) one end is kept away from in telescopic link (7) has magnifying glass (8) through welded fastening, magnifying glass (8) are including protecting frame (801), the inside one end of protecting frame (801) has convex lens (803) through joint fixed mounting, convex lens (803) one end is kept away from in protecting frame (801) and magnetic attraction circle (802) are installed through welded fastening.

2. A display device for educational training in accordance with claim 1, wherein: the distance from one end of the magnetic attraction ring (802) far away from the convex lens (803) to the convex lens (803) is 0.5-0.8 times of the focal length of the convex lens.

3. A display device for educational training in accordance with claim 1, wherein: the center of the top of the display board (9) is fixedly provided with a handle through a screw.

4. A display device for educational training in accordance with claim 1, wherein: the display plate (9) is made of iron sheet.

5. A display device for educational training in accordance with claim 1, wherein: threaded holes are formed in one side, correspondingly provided with the fastening screws (11), of the support rod (2).

6. A display device for educational training in accordance with claim 1, wherein: the length of the telescopic rod (7) is the same as that of the display board (9) when the telescopic rod is in the longest state.

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