CN212135710U

CN212135710U - A display device for teaching training

Info

Publication number: CN212135710U
Application number: CN202021151927.2U
Authority: CN
Inventors: 黄广顺; 龚文莉
Original assignee: Huainan Normal University
Current assignee: Huainan Normal University
Priority date: 2019-08-02
Filing date: 2020-06-19
Publication date: 2020-12-11
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a display device for teaching and training, which comprises a supporting leg, an electric sliding rail, a telescopic rod and a magnifier, one end of the ball hinge, which is far away from the electric slide rail, is fixedly provided with a connecting rod through welding, one end of the connecting rod, which is far away from the ball hinge, is fixedly provided with a telescopic rod through welding, the magnifying glass is fixedly arranged at one end of the telescopic rod, which is far away from the connecting rod, and the magnetic absorption ring is fixedly arranged at one end of the protective frame, which is far away from the convex lens, through welding, the utility model realizes that when the drawing detail explanation is carried out through the arranged electric slide rail, the telescopic rod and the magnifying glass, the magnifying glass moves to a required area to magnify the details of the work through the matching of the electric slide rail and the telescopic rod, the show board takes off simultaneously and fixed convenient, can make things convenient for the mr to remove the show board and demonstrate for the student in turn when being convenient for the teaching, has improved mr's teaching quality and teaching efficiency.

Description

A display device for teaching training

Technical Field

The utility model relates to a teaching show technical field specifically is a display device for teaching training.

Background

With the rapid development of modern teaching, the mode of training and teaching is inevitable, and teachers need to use image-text display frequently in order to facilitate direct observation and grasp of students in class.

However, the traditional teaching and training display device has some disadvantages in the using process, such as:

1. in the teaching process of drawing, need demonstrate sample or outstanding work, when the teacher explains drawing detail in the show process, because the work size is limited, the detail part often sees not clearly, and traditional display device demonstrates not the detail.

2. Traditional drawing teaching show board is fixed inconvenient to be removed, and mr when the classroom teaching, can't effectually remove the picture and text show for the student, influences mr's teaching quality, has reduced teaching efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device for teaching training to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a display device for teaching and training comprises a supporting leg, electric slide rails, telescopic rods and a magnifier, wherein casters are fixedly mounted at the bottoms of two ends of the supporting leg through bolts, a supporting rod is fixedly mounted above the center of the supporting leg through welding, fastening screws are movably mounted at one side of the supporting rod through threads, a display board is fixedly mounted between the supporting rods through the fastening screws, magnetic suction blocks are arranged on the display board through magnetic force adsorption, one of the supporting rods is fixedly mounted with the electric slide rails through the bolts corresponding to the side perpendicular to the side provided with the fastening screws, two ends of the electric slide rails are fixedly mounted with limit blocks through the bolts, ball hinges are movably mounted between the limit blocks corresponding to the electric slide rails through clamping, one ends of the ball hinges, far away from the electric slide rails, are fixedly mounted with connecting rods through welding, one ends of, the telescopic link is kept away from connecting rod one end and is installed the magnifying glass through welded fastening, the magnifying glass includes the bearer bar, the inside one end of bearer bar has convex lens through joint fixed mounting, the bearer bar is kept away from convex lens one end and is installed the magnetism through welded fastening and inhale the circle.

Furthermore, the distance from one end of the magnetic suction ring, far away from the convex lens, to the convex lens is 0.5-0.8 times of the focal length of the convex lens, so that when the magnifier is placed above a work, the magnifier can ensure that the magnifying effect is good.

Furthermore, the handle is fixedly arranged in the center of the top of the display board through a screw, so that the display board can be moved conveniently.

Furthermore, the show board is made of iron sheets, so that the magnetic attraction ring and the magnetic attraction block can be attracted on the show board conveniently.

Furthermore, threaded holes are formed in the side, corresponding to the fastening screws, of the supporting rod, and therefore the position of the display board can be adjusted conveniently by adjusting the positions of the fastening screws on the threaded holes.

Further, the telescopic link is the same with show board length when being in the longest state, and the magnifying glass moving range of being convenient for covers whole show board.

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

1. the utility model discloses an electronic slide rail, telescopic link and the magnifying glass that set up have realized when drawing the detail explanation, make the magnifying glass remove the region that needs through the cooperation of electronic slide rail and telescopic link and carry out the enlarging of works detail, and the student of being convenient for clearly understands and improves teaching training quality.

2. The utility model discloses a bracing piece and fastening screw that set up have realized that the show board takes off and fixed convenient, can make things convenient for mr to remove the show board and show for the student in turn when being convenient for to teach, have improved mr's teaching quality and teaching efficiency.

Drawings

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

FIG. 2 is a schematic view of the overall left-side view structure of the present invention;

FIG. 3 is a schematic view of the overall top view structure of the present invention;

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

In FIGS. 1-4: 1-supporting legs; 2-a support rod; 3, a limiting block; 4-an electric slide rail; 5-a ball hinge; 6-connecting rod; 7-a telescopic rod; 8-a magnifying glass; 801-protective frame; 802-magnetic attraction ring; 803-convex lens; 9-a display board; 10-magnetic block; 11-a fastening screw; 12-caster.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a display device for teaching and training comprises a supporting leg 1, electric slide rails 4, an expansion link 7 and a magnifier 8, wherein casters 12 are fixedly arranged at the bottoms of the two ends of the supporting leg 1 through bolts to facilitate the movement of the whole device, a supporting rod 2 is fixedly arranged above the center of the supporting leg 1 through welding and is used for supporting a display board 9 and the electric slide rails 4, a fastening screw 11 is movably arranged at one side of the supporting rod 2 through threads to fasten the display board 9, the display board 9 is fixedly arranged between the supporting rods 2 through the fastening screw 11, a magnetic suction block 10 is arranged on the display board 9 through magnetic force adsorption to fix paintings, one of the supporting rods 2 is fixedly provided with the electric slide rails 4 through bolts corresponding to the side vertical to the fastening screw 11, the two ends of the electric slide rails 4 are fixedly provided with limit blocks 3 through bolts, be used for preventing that ball hinge 5 from breaking away from the track, correspond on the electronic slide rail 4 between stopper 3 through joint movable mounting have ball hinge 5 for the adjustment of 7 angles of telescopic link ball hinge 5 is kept away from 4 one ends of electronic slide rail and is installed connecting rod 6 through welded fastening, connecting rod 6 is kept away from ball hinge 5 one end and is had telescopic link 7 through welded fastening for remove magnifying glass 8 to the position that needs, telescopic link 7 is kept away from 6 one end of connecting rod and is had magnifying glass 8 through welded fastening, magnifying glass 8 includes protecting frame 801, the inside one end of protecting frame 801 has convex lens 803 through joint fixed mounting, protecting frame 801 keeps away from convex lens 803 one end and has magnetism suction ring 802 through welded fastening for adsorb magnifying glass 8 on show board 9, prevent magnifying glass 8 free movement.

The distance that circle 802 was kept away from convex lens 803 one end to convex lens 803 is 0.5-0.8 times convex lens focus for magnifying glass 8 guarantees to enlarge effectually when placing in the works top, show board 9 top central authorities have the handle through screw fixed mounting, are convenient for remove show board 9, show board 9 is the iron sheet system, and circle 802 and magnetism of being convenient for inhale piece 10 and can adsorb on show board 9, the bracing piece 2 corresponds installs fastening screw 11 one side on the array set up threaded hole, thereby is convenient for adjust the position of show board 9 through adjusting fastening screw 11 position on the threaded hole, telescopic link 7 is the same with show board 9 length when being in the longest state, is convenient for enlarge, and 8 moving range covers whole show board 9.

The working principle is as follows: when in use, the painting works are fixed on the display board 9 through the magnetic suction block 10, and when in explanation, the magnifier 8 is moved up and down through the electric slide rail 4, the magnifier 8 is moved to the upper part of the painting work to be explained through the expansion of the expansion link 7 and the adjustment of the angle of the ball hinge 5, the magnifier 8 is fixed above the painting works for explanation through the magnetic suction ring 802, so that the students can understand clearly, after the explanation is finished, the magnifier 8 is taken down to move the magnifier 8 to the bottom of the painting works, the magnetic suction block 10 is taken down to take down the painting works, when the explanation needs to be moved, the fastening screw 11 is unscrewed, the display board 9 can be taken down and lifted by the handle, which is convenient for the moving and displaying of the display board 9, when the height of the display board 9 needs to be adjusted, after the fastening screws 11 are loosened to place the display board 9 at a proper height, the fastening screws 11 are tightened after the positions of the fastening screws 11 on the support rods 2 are adjusted.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

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.