CN204884238U - Multi -functional teaching device that teaching was used - Google Patents

Abstract

A multifunctional teaching device for teaching, comprising a base, the upper surface of the base is provided with a column, the side of the column is provided with two crossbars, the two crossbars are covered with sleeves, and the two sleeves 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, 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 with the roller shaft, 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 The head is provided with a hanger, and a projector is arranged on the hanger. The utility model has the advantages of simple structure and flexible use, which can reduce the labor intensity of teachers, improve students' interest in learning, and is convenient for maintenance and replacement of original parts.

Description

A multifunctional teaching device for teaching

technical field

The utility model relates to a multifunctional teaching device 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 multi-functional teaching device for teaching in view of the above-mentioned deficiencies.

The purpose is achieved through the following scheme: a multi-functional teaching device for teaching, comprising a base, the upper surface of the base is provided with a column, the side of the column is provided with two cross bars, and the two cross bars There is a casing on the top, 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. It includes a projection screen, one end of the projection screen is connected to the roller shaft, the other end of the projection screen is provided with the second magnet bar matched with the first magnet bar, and the top of the column is hinged with a telescopic The support arm, the end of the support arm is provided with a hanger, the hanger is provided with a projector, the front surface of the column is provided with a rectangular groove, and the upper end of the rectangular groove is provided with a shaft , the shaft tube is provided with a shaft tube, the shaft tube is provided with a light pole, the end of the light pole is provided with a light bulb, the upper end of the column is inlaid with a timer, and the timer and the buzzer One end of the upper surface of the base is provided with a square groove, the battery is arranged in the square groove, a cover plate is arranged on the square groove, a blind hole is arranged on the upper surface of the base, and the A telescopic rod is arranged in the blind hole, 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 the structural representation of the utility model.

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 bar, 10-No. 1 shaft, 11-arm, 12-hanger, 13-projector, 21-rectangular groove, 23-axis tube, 24-light pole, 25-bulb, 26-timer, 27-square groove, 28-storage battery. 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 multifunctional teaching device for teaching, comprising a base 1, a column 2 is arranged on the upper surface of the base 1, and two crossbars 3 are arranged on the side of the column 2, and the two crossbars 3 are covered with sleeves. The pipe 4 and the two casing pipes 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 bar 6 is arranged in the groove, and a roller shaft is arranged between the two horizontal rods 3 7. It 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 column 2 A telescopic support arm 11 is articulated at the top of the top 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 front surface of the column 2 is provided with a There is a rectangular groove 21, the upper end of the rectangular groove 21 is provided with a shaft, the shaft is provided with a shaft tube 23, the shaft tube 23 is provided with a light pole 24, and the end of the light pole 24 The head is provided with a light bulb 25, the upper end of the column 2 is inlaid with a timer 26, the timer 26 is connected with the buzzer, and one end of the upper surface of the base 1 is provided with a square groove 27, and the square groove 27 is provided with a battery 28, the square groove 27 is provided with a cover plate, the upper surface of the base 1 is provided with a blind hole, and a telescopic rod 31 is provided in the blind hole, and the top of the telescopic rod 31 passes through The cardan shaft 32 is hinged with a pole 33, the end of the pole 33 is provided with a microphone clip, the microphone clip is provided with a microphone 34, and the bottom end of the base 1 is provided with two channels 35, the The two ends in the through groove 35 are hinged with supporting arms through the No. 3 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 a No. 2 rotating shaft 38, which also includes a sleeve 39 , the sleeve 39 is provided with a cylindrical spring 40 , 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.

The shaft is provided with a rubber ring in the circumferential direction, and the shaft tube 23 is sleeved on the rubber ring, and the rubber ring rubs against the shaft sleeve to play a positioning function, lift the light pole 24, rotate on the shaft through the shaft tube 23, and adjust it as required The angle of light pole 24, bulb 25 is illuminated, and light pole 24 and bulb 25 can be merged in the rectangular groove 21 after use, avoids the damage of bulb 25 while saving space, and bulb 25 is connected with storage battery 28 by connecting line, when When the timer 26 expired, the buzzer sounded a buzzing alarm. Convenient for students to take breaks between classes.

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 multifunctional teaching device for teaching, comprising 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 A crossbar (3), two crossbars (3) are sleeved with sleeves (4), and the two sleeves (4) are connected by a vertical rod (5), and the edge of the vertical rod (5) is provided with Groove, the No. 1 magnet bar (6) is arranged in the groove, the roller shaft (7) is arranged between the two cross bars (3), and the projection screen (8) is also included, and the projection screen (8) One end is connected to 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) is The number 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 front surface of the column (2) is provided with a rectangular groove (21), the upper end of the rectangular groove (21) is provided with a shaft, and the shaft is provided with a shaft tube (23), and the shaft The tube (23) is provided with a light pole (24), the end of the light pole (24) is provided with a light bulb (25), the upper end of the column (2) is inlaid with a timer (26), and the timer (26) is connected with the buzzer, and one end of the upper surface of the base (1) is provided with a square groove (27), and the battery (28) is arranged in the square groove (27), and the square groove (27) is provided with a cover plate, the upper surface of the base (1) is provided with a blind hole, and a telescopic rod (31) is provided in the blind hole, and the top end of the telescopic rod (31) passes through the cardan shaft ( 32) A support rod (33) is hinged, the end of the support rod (33) is provided with a microphone clip, the microphone clip is provided with a microphone (34), and the bottom end of the base (1) is provided with two A through slot (35), the two ends of the through slot (35) are hinged with a support arm (36) through the third rotating shaft, the lower end of the support arm (36) is provided with a runner (37), and the two support arms (36) The second rotating shaft (38) is provided at the corresponding position, and a sleeve (39) is also included. A cylindrical spring (40) is arranged inside the sleeve (39), and the two ends of the cylindrical spring (40) It is connected with the second rotating shaft (38) by a support rod (41). 2. The multifunctional teaching device 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), the A pin (4-2) is arranged in the pin hole (4-1).