CN204791616U - Multimedia teaching equipment that teaching was used - Google Patents

Abstract

A kind of multimedia teaching equipment used for teaching, including a base, the upper surface of the base is provided with a column, the side of the column is provided with two cross bars, the two bars are sleeved with sleeves, and the two sleeves pass through The vertical rod is connected, and the edge of the vertical rod is provided with a groove, and a No. 1 magnet bar is arranged in the groove, a roller shaft is arranged between the two horizontal rods, and a projection screen is also included, and one end of the projection screen is connected to the The other end of the projection screen is provided with a No. 2 magnet bar matched with the No. 1 magnet bar. The top of the column is hinged with a telescopic support arm through the No. 1 rotating shaft. The end of the support arm A hanger is provided, and a projector is arranged on the hanger. The utility model has the advantages of simple structure and flexible use, can reduce the labor intensity of teachers, improve students' interest in learning, and is convenient for maintenance and replacement of original parts.

Description

A multimedia teaching device for teaching

technical field

The utility model relates to a multimedia teaching equipment used for teaching.

Background technique

Most of the projectors used in teaching are hung on the ceiling and controlled by remote control. The installation circuit is complicated, the debugging is laborious, and the replacement of the original is also extremely inconvenient. The projector screen is mostly fixed on the wall, and the area of the classroom wall is limited. , It affects the hanging of the curtain and the blackboard at the same time, which brings inconvenience to the projection teaching.

Contents of the invention

The purpose of this utility model is to provide a kind of multimedia teaching equipment for teaching in view of the above-mentioned deficiencies.

The purpose is achieved by the following scheme: a multimedia teaching equipment for teaching, including a base, the upper surface of the base is provided with a column, and the sides of the column are provided with two cross bars, on which There are casings, and the two casings are connected by a vertical rod. The edge of the vertical rod is provided with a groove, and a No. 1 magnet bar is arranged in the groove, and a roller shaft is arranged between the two horizontal rods. Projection screen, one end of the projection screen is connected with the roller shaft, the other end of the projection screen is provided with the No. A support arm, the end of the support arm is provided with a hanger, the hanger is provided with a projector, the other side of the column is hinged to the writing board through a shaft, and the rear surface of the writing board is provided with screw, the screw is provided with a threaded pipe, the end of the threaded pipe is provided with an adjustment plate, the pipe wall of the threaded pipe is provided with a handle, the upper surface of the base is provided with a blind hole, and the blind hole There is a telescopic rod inside, the top of the telescopic rod is hinged to a pole through a cardan shaft, the end of the pole is provided with a microphone clip, and the microphone clip is provided with a microphone. The bottom end of the base is provided with two channels, and the two ends in the channels are hinged with support arms through the No. There is a No. 2 rotating shaft, which also includes a sleeve, and a cylindrical spring is arranged inside the sleeve, and the two ends of the cylindrical spring are connected with the No. 2 rotating shaft through a support rod.

A pin hole is provided at a position corresponding to the sleeve pipe and the cross bar, and a pin is provided in the pin hole.

The utility model has the following advantages: the utility model is simple in structure, flexible in use, can reduce the labor intensity of teachers, improve students' interest in learning, and is convenient for maintenance and replacement of original parts.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Fig. 2 is a schematic diagram of the connection structure between the screw rod and the threaded pipe.

Among them, 1-base, 2-column, 3-crossbar, 4-sleeve, 4-1 pin hole, 4-2 pin, 5-pole, 6-1 magnet bar, 7-roller shaft, 8- Curtain, 9-No. 2 magnet strip, 10-No. 1 rotating shaft, 11-arm, 12-hanger, 13-projector, 14-axis, 15-writing board, 16-screw, 17-thread pipe, 18- Adjustment plate, 19-handle. 31-telescopic rod, 32-cardan shaft, 33-support rod, 34-microphone. 35-through slot, 36-support arm, 37-runner, 38-No. 2 rotating shaft, 39-pipe sleeve, 40-cylindrical spring, 41-support rod.

Detailed ways

Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

A multimedia teaching equipment for teaching, comprising a base 1, the upper surface of the base 1 is provided with a column 2, and the sides of the column 2 are provided with two crossbars 3, and the two crossbars 3 are covered with sleeves 4. The two bushings 4 are connected by a vertical rod 5, the edge of the vertical rod 5 is provided with a groove, and a No. 1 magnet strip 6 is arranged in the groove, and a roller shaft 7 is arranged between the two horizontal rods 3 , also includes a projection screen 8, one end of the projection screen 8 is connected to the roller shaft 7, and the other end of the projection screen 8 is provided with a No. 2 magnet bar 9 matched with the No. 1 magnet bar 6. The top is hinged with a telescopic support arm 11 through the No. 1 rotating shaft 10. The end of the support arm 11 is provided with a hanger 12, and the hanger 12 is provided with a projector 13. The other side of the column 2 The writing board 15 is hinged by the shaft 14, the rear surface edge of the writing board 15 is provided with a screw rod 16, the screw rod 16 is provided with a threaded pipe 17, the end of the threaded pipe 17 is provided with an adjusting plate 18, and the The pipe wall of threaded pipe 17 is provided with handle 19, and the upper surface of described base 1 is provided with blind hole, and telescopic rod 31 is arranged in described blind hole, and the top of described telescopic rod 31 is hinged with support through cardan shaft 32. Rod 33, the end of described pole 33 is provided with microphone clip, and described microphone clip is provided with microphone 34, and the bottom end of described base 1 is provided with two channels 35, and the two ends in described channel 35 The supporting arm is hinged by the third rotating shaft, the lower end of the supporting arm 36 is provided with a runner 37, and the corresponding position of the two supporting arms 36 is provided with the second rotating shaft 38, and also includes a sleeve 39, and the inside of the sleeve 39 A cylindrical spring 40 is provided, and the two ends of the cylindrical spring 40 are connected to the second rotating shaft 38 through a support rod 41 . A pin hole 4-1 is provided at a position corresponding to the sleeve 4 and the cross bar 3, and a pin 4-2 is provided in the pin hole 4-1.

Sleeve 4 is set on cross bar 3, pin 4-2 is inserted in pin hole 4-1, after sleeve pipe 4 and cross bar 3 are fixed, pull one end of curtain 8, through the rotation of roller shaft 7, No. 2 magnet Bar 9 is bonded with the No. 1 magnet bar 6 to fix the curtain 8, and the projector 13 is arranged in front of the curtain 8 by the rotation of the No. 1 rotating shaft 10 for teaching purposes. 3 is completely arranged in the casing 4, which is convenient for storage and saves space.

Rotate the handle 19, adjust the length by the rotation of the threaded pipe 17 on the screw rod 16, the adjustment plate 18 fits with the wall, supports the writing board 15, avoids the inclination and shaking of the writing board 15 to bring inconvenience to writing, use Finally, the writing board 15 is combined with the curtain 8 on the other side through the shaft 14 for convenient storage.

The telescopic rod 31 is pulled out in the blind hole, and the angle of the microphone 34 on the pole 33 is adjusted through the universal shaft 32, which is convenient for the teacher to use the microphone 34 in different positions. After use, the telescopic rod 31 is retracted into the blind hole, and the pole 33 is combined with the base 1 through the cardan shaft 32 to save indoor space.

Two supporting arms 36 are pulled out in the through groove 35 by the No. 3 rotating shaft, and the elastic force of the cylindrical spring 40 makes the supporting rod 41 support the supporting arms 36, avoiding the inclination of the supporting arms 36, and the runner 37 cannot be promoted. After use, the support arm 36, the runner 37 and the support rod 41 are arranged in the through groove 35 together by the rotation of the second rotating shaft 38, so that the stability of the base 1 will not be delayed. Easy to use.

This embodiment is only an exemplary description of this patent and does not limit its protection scope. Those skilled in the art can also make partial changes to it. As long as they do not exceed the spirit of this patent, they are all regarded as equivalent replacements for this patent. protection scope of this patent.

Claims (2)

1. A multimedia teaching equipment for teaching, including a base (1), characterized in that: the upper surface of the base (1) is provided with a column (2), and the side of the column (2) is provided with two The horizontal bar (3), the two horizontal bars (3) are covered with sleeves (4), the two sleeves (4) are connected by the vertical rod (5), and the edge of the vertical rod (5) is provided with a concave Groove, No. 1 magnet strip (6) is arranged in the groove, a roller shaft (7) is arranged between two cross bars (3), and a projection screen (8) is also included, and one end of the projection screen (8) Connected with the roller shaft (7), the other end of the projection screen (8) is provided with a No. 2 magnet bar (9) matched with the No. 1 magnet bar (6), and the top of the column (2) The rotating shaft (10) is hinged with a telescopic support arm (11), the end of the support arm (11) is provided with a hanger (12), and a projector (13) is arranged on the hanger (12). The other side of the column (2) is hinged to the writing board (15) through the shaft (14), the rear surface of the writing board (15) is provided with a screw (16), and the screw (16) is provided with Threaded pipe (17), the end of the threaded pipe (17) is provided with an adjustment plate (18), the pipe wall of the threaded pipe (17) is provided with a handle (19), and the top of the base (1) There is a blind hole on the surface, and a telescopic rod (31) is arranged in the blind hole, and the top of the telescopic rod (31) is hinged with a strut (33) through a cardan shaft (32), and the strut (33) The end of the microphone clip is provided with a microphone (34), the bottom of the base (1) is provided with two channels (35), and the two ends of the channel (35) A support arm (36) is articulated through the third rotating shaft, a runner (37) is provided at the lower end of the supporting arm (36), and a second rotating shaft (38) is provided at the corresponding position of the two supporting arms (36). A pipe sleeve (39) is included, and a cylindrical spring (40) is arranged inside the pipe sleeve (39), and both ends of the cylindrical spring (40) are connected to the second rotating shaft (38) through a support rod (41). 2. The multimedia teaching equipment for teaching according to claim 1, characterized in that: the position corresponding to the sleeve (4) and the cross bar (3) is provided with a pin hole (4-1), and the pin A pin (4-2) is provided in the hole (4-1).