CN214279195U

CN214279195U - Teaching equipment for theoretical learning of civil and commercial law

Info

Publication number: CN214279195U
Application number: CN202120168182.9U
Authority: CN
Inventors: 谭赛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-09-24
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a teaching equipment for theoretical study of people and commerce law, through two motor synchronous workings of control box control, motor work back drive transfer line and first bevel gear rotate, and first bevel gear drives second bevel gear and threaded rod and rotates, and two threaded rods rotate in step and drive two screw barrels and carry out the up-and-down motion in step to realize the lift of installing support and display screen, the lift process is more stable.

Description

Teaching equipment for theoretical learning of civil and commercial law

Technical Field

The utility model relates to a law teaching equipment technical field especially relates to a teaching equipment for theoretical study of people's business law.

Background

The civil and commercial law refers to the folk law and the commercial law, and the courses of the civil and commercial law have been opened in the undergraduate students and the research students since the 80 th of the 20 th century. The current teaching of the civil and commercial law is realized by multimedia projection equipment, the equipment investment cost is high, the equipment cannot be moved, the projection height cannot be adjusted, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a teaching equipment for people's business law theoretical study.

In order to solve the technical problem, the utility model adopts the following technical scheme. A teaching device for theoretical learning of civil and commercial laws comprises a base, lifting components, a supporting plate, a mounting bracket, a control box and a display screen, wherein the lifting components are mounted on the base, the supporting plate is mounted on the lifting components, the mounting bracket is mounted on the supporting plate, the control box and the display screen are mounted on the mounting bracket, the lifting components are used for driving the supporting plate to move up and down, the lifting components are two groups and are symmetrically mounted on the base;

the lifting component comprises a motor, a transmission rod, a first bevel gear, a second bevel gear, a threaded rod and a screw cylinder, the base is of a cavity structure, the first bevel gear and the second bevel gear are both positioned in the base, the motor is arranged on the side wall of the base, one end of the transmission rod is connected with an output shaft of the motor, the other end of the transmission rod extends into the base and is connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the lower section of the threaded rod is rotatably arranged on the base through a bearing, the screw cylinder is sleeved on the upper section of the threaded rod and is in threaded fit with the upper section of the threaded rod, the top of the screw cylinder is fixedly connected with the supporting plate, the second bevel gear is fixedly arranged on the threaded rod, the motors are electrically connected with the control box, and the control box is used for controlling the two motors to synchronously work;

the motor drives the transmission rod and the first bevel gear to rotate after working, the first bevel gear drives the second bevel gear and the threaded rods to rotate, and the two threaded rods respectively drive the two screw barrels to synchronously move up and down, so that the supporting plate, the mounting bracket and the display screen can be lifted up and down.

Further, the screw barrel limiting device comprises a limiting support fixed on the base, a sliding block is arranged on the outer wall of the screw barrel, a sliding groove is formed in the surface, close to the screw barrel, of the limiting support in the vertical direction, the sliding block is in sliding fit with the sliding groove, and when the sliding block rises to the top of the sliding groove along with the screw barrel, the limiting support limits the screw barrel.

Further, the lower surface of the supporting plate is also provided with a distance sensor, the distance sensor is connected with the control box and used for detecting the distance between the lower surface of the supporting plate and the upper surface of the base, and the control box is used for controlling the motor to stop working when the distance sensor detects that the distance between the lower surface of the supporting plate and the upper surface of the base is greater than a threshold value.

Further, the lower surface of base is installed the universal wheel.

Furthermore, a writing board is further arranged on the mounting bracket.

Furthermore, a camera is further mounted on the mounting bracket.

Furthermore, a plurality of LED lamps are further installed at the top of the installing support at even intervals, and the LED lamps are connected with the control box.

Further, the mounting bracket is mounted on the support plate through a rotary platform, and the rotary platform is connected with the control box and used for driving the mounting bracket to rotate.

The beneficial effects of the utility model reside in that:

the utility model discloses a teaching equipment for theoretical study of people's business method through two motor synchronous workings of control box control, drives the transfer line and first bevel gear rotates after the motor work, and first bevel gear drives second bevel gear and threaded rod and rotates, and two threaded rods rotate in step and drive two screw barrels and carry out the up-and-down motion in step to realize the lift of installing support and display screen, the lift process is more stable.

Drawings

Fig. 1 is a schematic structural diagram of a teaching device for theoretical learning of civil and commercial law according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a teaching device for theoretical learning of the civil and commercial law according to another embodiment of the present invention.

Description of the reference numerals

1. A base; 2. a motor; 3. a transmission rod; 4. a first bevel gear; 5. a second bevel gear; 6. a threaded rod; 7. a screw cylinder; 8. a support plate; 9. mounting a bracket; 10. a control box; 11. a display screen; 12. a writing board; 13. a camera; 14. a limiting bracket; 15. a universal wheel; 16. an LED lamp; 17. a distance sensor; 20. a rotating platform; 71. a slider; 141. a chute.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.

As shown in fig. 1, the preferred embodiment of the utility model provides a teaching equipment for theoretical study of people's business law, including base 1, lifting unit, backup pad 8, installing support 9, control box 10 and display screen 11, lifting unit installs on the base 1, backup pad 8 is installed lifting unit is last, installing support 9 is installed on the backup pad 8, control box 10 and display screen 11 are installed on the installing support 9, lifting unit is used for the drive backup pad 8 carries out the up-and-down motion, lifting unit's quantity is two sets of, and the symmetry is installed on the base 1, realize the lift of installing support 9 and display screen 11 through two sets of lifting unit, and the lift process is more steady. Specifically, the lifting assembly comprises a motor 2, a transmission rod 3, a first bevel gear 4, a second bevel gear 5, a threaded rod 6 and a screw cylinder 7, the base 1 is of a cavity structure, the first bevel gear 4 and the second bevel gear 5 are both located in the base 1, the motor 2 and the screw cylinder 7 are located outside the base 1, the lower section of the threaded rod 6 is located in the base 1, and the upper section of the threaded rod is located outside the base 1. Wherein the motor 2 is installed on the side wall of the base 1, the transmission rod 3 is installed on the side wall of the base 1 through a bearing in a rotating manner, one end of the transmission rod 3 is connected with an output shaft of the motor 2 through a coupler, the other end of the transmission rod extends into the base 1 and is fixedly connected with the first bevel gear 4, the first bevel gear 4 is meshed with the second bevel gear 5, the lower section of the threaded rod 6 is installed on the base 1 through a bearing in a rotating manner, the screw cylinder 7 is sleeved on the upper section of the threaded rod 6 and is in threaded fit with the upper section of the threaded rod 6, the top of the screw cylinder 7 is fixedly connected with the support plate 8, the second bevel gear 5 is fixedly installed on the lower section of the threaded rod 6, the motor 2 is electrically connected with the control box 10, and the control box 10 is used for controlling the two motors 2 to work, such as controlling the two motors 2 to rotate forward synchronously or to rotate backward synchronously. After the motor 2 works, the transmission rod 3 and the first bevel gear 4 are driven to rotate, the first bevel gear 4 drives the second bevel gear 5 and the threaded rods 6 to rotate, the two threaded rods 6 synchronously rotate, and simultaneously the two threaded rods 6 respectively drive the two screw barrels 7 to synchronously move up and down, so that the supporting plate 8, the mounting bracket 9 and the display screen 11 are lifted and lowered. It can be understood that the control box 10 is provided with a button, and the motor 2 can be controlled to rotate forward and backward by operating the button, or the control box 10 can receive a control instruction sent by a remote controller and control the motor 2 to rotate forward and backward by a remote control mode. In addition, the display screen 11 is connected with the computer host through a communication cable and used for displaying the civil and commercial law teaching contents. When the motor 2 is controlled to rotate forwards, the motor 2 drives the transmission rod 3 and the first bevel gear 4 to rotate, the first bevel gear 4 drives the second bevel gear 5 to rotate, the second bevel gear 5 drives the threaded rod 6 to rotate, and the screw cylinder 7 is driven to move upwards, so that the mounting support 9 and the display screen 11 are lifted. When the motor 2 is controlled to rotate reversely, the mounting bracket 9 and the display screen 11 can descend.

It can be understood that the teaching equipment for theoretical study of the people and business law of this embodiment controls two motors 2 synchronous workings through control box 10, and motor 2 drives transfer line 3 and first bevel gear 4 after the work and rotates, and first bevel gear 4 drives second bevel gear 5 and threaded rod 6 and rotates, and two threaded rod 6 synchronous rotation drive two spiral shells 7 and carry out synchronous up-and-down motion to realize the lift of installing support 9 and display screen 11, the lift process is more stable.

In addition, a teaching equipment for people's business law theoretical study is still including fixing spacing support 14 on the base 1, be provided with slider 71 on the outer wall of barrel 7, spacing support 14 is close to spout 141 has been seted up along vertical direction on the surface of barrel 7, slider 71 with spout 141 sliding fit, works as slider 71 along the barrel 7 rises to during the top of spout 141, spacing support 14 is right the barrel 7 plays limiting displacement, thereby prevents the barrel 7 with threaded rod 6 breaks away from the cooperation.

In addition, the lower surface of base 1 installs universal wheel 15, is convenient for remove whole equipment.

In addition, the mounting bracket 9 is also provided with a writing board 12, which is convenient for teachers to write the contents of the civil and commercial laws and courses.

In addition, still install camera 13 on the installing support 9, be convenient for take notes people's business law classroom teaching condition.

In addition, a plurality of LED lamps 16 are further installed at the top of the installation support 9 at uniform intervals, the LED lamps 16 are connected with the control box 10, and the LED lamps 16 can be controlled to be turned on through button switches on the control box 10 or in a remote control mode, so that the auxiliary lighting effect is achieved.

In addition, the mounting bracket 9 is mounted on the support plate 8 through a rotary platform 20, and the rotary platform 20 is connected with the control box 10 and used for driving the mounting bracket 9 to rotate. For example, a rotating motor is arranged in the rotary platform 20, an output shaft of the rotating motor is fixedly connected with the lower surface of the mounting bracket 9, the mounting bracket 9 is directly driven to rotate by the rotating motor, the rotating motor is connected with the control box 10, and the control box 10 controls the rotating motor to work, so that the mounting bracket 9 is driven to rotate, and the rotation angle of the display screen 11 is conveniently adjusted. It is understood that a plurality of button switches may be provided on the control box 10 to control the operating states of the motor 2, the LED lamp 16, the rotating motor, and the like, respectively.

In addition, as shown in fig. 2, in another embodiment of the present invention, a distance sensor 17 is further disposed on the lower surface of the supporting plate 8, the distance sensor 17 is connected to the control box 10 for detecting the distance from the lower surface of the supporting plate 8 to the upper surface of the base 1, and the control box 10 is configured to control the motor 2 to stop working when the distance sensor 17 detects that the distance from the lower surface of the supporting plate 8 to the upper surface of the base 1 is greater than a threshold value, so as to prevent the screw barrel 7 from continuously rising and disengaging from the threaded rod 6.

Claims

1. The teaching equipment for theoretical learning of the civil and commercial law is characterized by comprising a base (1), lifting components, a supporting plate (8), a mounting bracket (9), a control box (10) and a display screen (11), wherein the lifting components are mounted on the base (1), the supporting plate (8) is mounted on the lifting components, the mounting bracket (9) is mounted on the supporting plate (8), the control box (10) and the display screen (11) are mounted on the mounting bracket (9), the lifting components are used for driving the supporting plate (8) to move up and down, and the lifting components are two in number and symmetrically mounted on the base (1);

the lifting component comprises a motor (2), a transmission rod (3), a first bevel gear (4), a second bevel gear (5), a threaded rod (6) and a screw cylinder (7), the base (1) is of a cavity structure, the first bevel gear (4) and the second bevel gear (5) are both positioned in the base (1), the motor (2) is installed on the side wall of the base (1), one end of the transmission rod (3) is connected with an output shaft of the motor (2), the other end of the transmission rod extends into the base (1) to be connected with the first bevel gear (4), the first bevel gear (4) is meshed with the second bevel gear (5), the lower section of the threaded rod (6) is rotatably installed on the base (1) through a bearing, the screw cylinder (7) is sleeved on the upper section of the threaded rod (6) and is in threaded fit with the upper section of the threaded rod (6), the top of the screw cylinder (7) is fixedly connected with the supporting plate (8), the second bevel gear (5) is fixedly installed on the threaded rod (6), the motors (2) are electrically connected with the control box (10), and the control box (10) is used for controlling the two motors (2) to synchronously work;

the motor (2) drives the transmission rod (3) and the first bevel gear (4) to rotate after working, the first bevel gear (4) drives the second bevel gear (5) and the threaded rod (6) to rotate, and the two threaded rods (6) respectively drive the two screw barrels (7) to synchronously move up and down, so that the supporting plate (8), the mounting bracket (9) and the display screen (11) are lifted.

2. The teaching equipment for theoretical learning of civil and commercial laws according to claim 1, further comprising a limiting support (14) fixed on the base (1), wherein a sliding block (71) is arranged on the outer wall of the screw barrel (7), a sliding groove (141) is formed in the surface, close to the screw barrel (7), of the limiting support (14) along the vertical direction, the sliding block (71) is in sliding fit with the sliding groove (141), and when the sliding block (71) rises to the top of the sliding groove (141) along with the screw barrel (7), the limiting support (14) plays a limiting role on the screw barrel (7).

3. Teaching equipment for theoretical learning of civil and commercial laws according to claim 1, characterized in that the lower surface of the supporting plate (8) is further provided with a distance sensor (17), the distance sensor (17) is connected with the control box (10) and is used for detecting the distance between the lower surface of the supporting plate (8) and the upper surface of the base (1), and the control box (10) is used for controlling the motor (2) to stop working when the distance sensor (17) detects that the distance between the lower surface of the supporting plate (8) and the upper surface of the base (1) is greater than a threshold value.

4. Teaching equipment for theoretical learning of civil laws according to claim 1, characterized in that the lower surface of the base (1) is equipped with universal wheels (15).

5. Teaching equipment for theoretical learning of civil laws according to claim 1, characterized in that a writing board (12) is also provided on the mounting bracket (9).

6. Teaching equipment for theoretical learning of civil laws according to claim 1, characterized in that a camera (13) is also mounted on the mounting bracket (9).

7. Teaching equipment for theoretical learning of civil and commercial laws according to claim 1, characterized in that a plurality of LED lamps (16) are further mounted on the top of the mounting bracket (9) at regular intervals, and the LED lamps (16) are connected with the control box (10).

8. Teaching equipment for theoretical learning of civil and commercial laws according to claim 1, characterized in that the mounting bracket (9) is mounted on the supporting plate (8) by means of a revolving platform (20), the revolving platform (20) being connected to the control box (10) for driving the mounting bracket (9) in rotation.