CN206532475U - A kind of Mechanical Design Teaching model support - Google Patents

Abstract

The utility model relates to a mechanical design teaching model frame, which comprises a base and a panel fixedly connected with the base. The first rotating device, the left side of the first rotating device is provided with a second rotating device, the second rotating device is intermittently connected to the first rotating device, the second rotating device is fixedly connected to the main shaft, and the bottom surface of the inner wall of the base is fixed Connected to the support platform, the upper end of the support platform is provided with a groove suitable for the main shaft, the bottom of the main shaft is flexibly connected with the support platform, the upper part of the main shaft extends to the outside of the base and is fixedly connected to the turntable, and one side of the upper surface of the turntable is hinged with a connecting rod , the connecting rod and the slider are hinged, the panel is provided with an arc-shaped groove, the slider and the arc-shaped groove are slidably connected, the upper end of the slider is fixedly connected to the storage table, the side of the base is provided with a power supply module and control buttons, the motor and the power supply module and control The buttons are electrically connected respectively.

Description

A mechanical design teaching model frame

technical field

The utility model belongs to the technical field of mechanical engineering teaching articles, in particular to a mechanical design teaching model frame.

Background technique

Mechanical design is a creative design activity that needs the support of spatial conception and three-dimensional imagination. Therefore, it is very important for students who are new to mechanical design to cultivate spatial conception and three-dimensional imagination as soon as possible. At present, most of the teaching of mechanical design majors uses three-dimensional The model is displayed. The teacher explains the composition and connection relationship of each part, and uses the projection relationship to draw a three-dimensional view and a simplified structure diagram to achieve the purpose of analyzing the working principle. The existing three-dimensional models are generally placed in a fixed position when displayed. For For a class with a large classroom, only the students who are facing the model can see the details of the model clearly, which brings inconvenience to the students sitting on both sides of the classroom. If the teacher manually carries and moves the model back and forth , Bringing great trouble to the teacher, the teaching effect is not good.

Utility model content

In view of this, the utility model provides a mechanical design teaching model frame, which uses a motor to drive an intermittent transmission mechanism to drive the turntable to rotate. One side of the upper surface of the turntable is hinged with a connecting rod, and the connecting rod drives the slider along the panel. The arc-shaped groove opened on the upper slides, and the slider is fixedly connected to the storage table, which is used to place the three-dimensional model. The continuous rotation of the motor is transmitted to the turntable through the intermittent transmission mechanism, which is converted into intermittent rotation of the turntable. The intermittent rotation of the turntable is passed through The connecting rod is converted into the intermittent movement of the slider, and the moving route of the slider is arc-shaped. The three-dimensional model moves with the slider, and stops for a period of time after each moving path, so that students from all angles can observe the model.

The technical scheme of the utility model is: a mechanical design teaching model frame, including a base and a panel fixedly connected with the base, the base is a box, the bottom of the inner wall of the base is provided with a vertical motor, and the output shaft of the motor is fixedly connected There is a transmission rod, and the first rotation device is fixedly connected to the transmission rod. The left side of the first rotation device is provided with a second rotation device. The second rotation device is intermittently connected to the first rotation device. The second rotation device The device is fixedly connected with the main shaft, the bottom surface of the inner wall of the base is fixedly connected with a support platform, the upper end surface of the support platform is provided with a groove whose inner diameter matches the outer diameter of the main shaft, and the lower end of the main shaft is inserted into the groove , the upper part of the main shaft extends to the outside of the base and is fixedly connected with a turntable. One side of the upper surface of the turntable is hinged with a connecting rod, and the connecting rod is hinged with the slider. The upper end of the block is fixedly connected with the storage table, the side of the base is provided with a power supply module and a control button, and the motor is electrically connected with the power supply module and the control button respectively.

Preferably, the first rotating device includes a chassis, an arc-shaped plate and a driving lever, the transmission rod is fixedly connected to the chassis and the arc-shaped disk from bottom to top, and one side of the upper surface of the chassis is fixedly connected to the driving lever.

Preferably, the second rotating device includes a disk, and the surface of the disk is evenly distributed with first rotating grooves that match the lever, and between every two first rotating grooves is a Adapted second swivel slot.

Preferably, there are four first rotation grooves and four second rotation grooves respectively.

The utility model provides a mechanical design teaching model frame, which uses a motor to drive an intermittent transmission mechanism to drive the turntable to rotate. One side of the upper surface of the turntable is hinged with a connecting rod, and the connecting rod drives the slider along the arc set on the panel. The sliding block is fixedly connected to the storage table, which is used to place the three-dimensional model. The continuous rotation of the motor is transmitted to the turntable through the intermittent transmission mechanism, which is converted into the intermittent rotation of the turntable, and the intermittent rotation of the turntable is converted into The intermittent movement of the slider, the moving route of the slider is arc-shaped, the three-dimensional model moves with the slider, and stops for a period of time after each movement, so that students from all angles can observe the model. This utility model is easy to operate and worth promote.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Fig. 2 is a top view of the overall structure of the utility model.

Fig. 3 is a structural schematic diagram of the intermittent transmission mechanism composed of the first rotating device and the second rotating device of the present invention.

Explanation of reference signs:

1. Base; 2. Panel; 3. Motor; 4. First rotating device; 41. Chassis; 42. Arc plate; 43. Shift lever; 5. Connecting rod; 6. Turntable; 7. Second rotating device; 71, the second rotating slot; 72, the first rotating slot; 73, the disc; 8, the main shaft; 9, the support platform; 10, the transmission rod; 11, the slider;

detailed description

The utility model provides a mechanical design teaching model frame. The utility model will be described below in conjunction with the structural schematic diagrams of FIG. 1 , FIG. 2 and FIG. 3 .

As shown in Fig. 1, Fig. 2 and Fig. 3, a kind of mechanical design teaching model frame provided by the utility model comprises a base 1 and a panel 2 fixedly connected with the base 1, the base 1 is a box body, and the bottom of the inner wall of the base 1 is provided with There is a vertically arranged motor 3, the output shaft of the motor 3 is fixedly connected with a transmission rod 10, the transmission rod 10 is fixedly connected with a first rotating device 4, and the left side of the first rotating device 4 is provided with a second rotating device 7, Between the second rotating device 7 and the first rotating device 4 is an intermittent transmission connection, the second rotating device 7 is fixedly connected to the main shaft 8, and the bottom surface of the inner wall of the base 1 is fixedly connected with a support platform 9, and the support platform 9 The upper end surface is provided with a groove whose inner diameter matches the outer diameter of the main shaft 8. The lower end of the main shaft 8 is inserted into the groove, and the upper part of the main shaft 8 extends to the outside of the base 1 and is fixedly connected with the turntable 6. One side of the upper surface is hinged to the connecting rod 5, the connecting rod 5 is hinged to the slider 11, the panel 2 is provided with an arc-shaped groove 13, the slider 11 is slidingly connected to the arc-shaped groove 13, and the upper end of the slider 11 is fixedly connected to the storage table 12 A power supply module and a control button are provided on the side of the base 1, and the motor 3 is electrically connected to the power supply module and the control button respectively.

Further, the first rotating device 4 includes a chassis 41, an arc-shaped disc 42 and a shift lever 43, and the transmission rod 10 is fixedly connected with the chassis 41 and the arc-shaped disc 42 in sequence from bottom to top, and one side of the upper surface of the chassis 41 is fixed Connect lever 43.

Further, the second rotating device 7 includes a disk 73, and the surface of the disk 73 is evenly distributed with the first rotation grooves 72 matching the lever 43, and every two first rotation grooves 72 are opened There is a second rotating groove 71 suitable for the arc-shaped disc 42 .

Further, there are four first rotation grooves 72 and four second rotation grooves 71 respectively.

The utility model provides a mechanical design teaching model frame, which uses a motor to drive the first rotating device 4 of the intermittent transmission mechanism to rotate, the chassis 41 on the first rotating device 4 rotates synchronously, and one side of the upper surface of the chassis 41 is fixedly connected The lever 43 of the second rotating device 7 is moved to rotate the second rotating slot 71, which drives the second rotating device 7 to rotate at a certain angle, and synchronously drives the turntable 6 to rotate at a certain angle, and the connecting rod 5 on the upper surface of the turntable 6 follows Action, the connecting rod 5 drives the slider 11 to slide for a certain distance along the arc groove 13 provided on the panel and stops. The slider 11 is fixedly connected to the storage table 12, and the three-dimensional model is placed on the storage table 12. The transmission mechanism transmits to the turntable 6, which is converted into intermittent rotation of the turntable 6, and the intermittent rotation of the turntable 6 is transmitted to the intermittent movement of the slider 11 through the connecting rod 5. Move together, stop for a period of time after moving a certain path, and cycle continuously in the way of go-stop-go-stop, so that students from all angles can observe the model. When this utility model is used, the three-dimensional model only needs to be placed on the storage table 12, and then press the start control button, and when not in use, press the stop button, the operation is simple and worthy of popularization.

The above disclosures are only preferred specific embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present utility model.

Claims (4)

1. A mechanical design teaching model frame, comprising a base (1) and a panel (2) fixedly connected to the base (1), characterized in that the base (1) is a box, and the bottom of the base (1) inner wall A vertically arranged motor (3) is provided, a transmission rod (10) is fixedly connected to the output shaft of the motor (3), and a first rotating device (4) is fixedly connected to the transmission rod (10). The left side of a rotating device (4) is provided with a second rotating device (7), which is an intermittent transmission connection between the second rotating device (7) and the first rotating device (4), and the second rotating device ( 7) It is fixedly connected with the main shaft (8), and the bottom surface of the inner wall of the base (1) is fixedly connected with a support platform (9), and the upper end surface of the support platform (9) is provided with an inner diameter matching the outer diameter of the main shaft (8). Groove, the lower end of the main shaft (8) is inserted in the groove, the upper part of the main shaft (8) extends to the outside of the base (1) and is fixedly connected with the turntable (6), the upper surface of the turntable (6) A connecting rod (5) is hinged on one side, and the connecting rod (5) is hinged to the slider (11). The panel (2) is provided with an arc groove (13), and the slider (11) is connected to the arc The slot (13) is slidingly connected, the upper end of the slider (11) is fixedly connected to the storage table (12), the side of the base (1) is provided with a power supply module and a control button, and the motor (3) is connected with the power supply module and the control button. The buttons are electrically connected respectively. 2. A kind of mechanical design teaching model frame according to claim 1, characterized in that, the first rotating device (4) comprises a chassis (41), an arc-shaped disc (42) and a driving lever (43), and the transmission The rod (10) is fixedly connected with the chassis (41) and the arc-shaped plate (42) sequentially from bottom to top, and one side of the upper surface of the chassis (41) is fixedly connected with the driving lever (43). 3. A kind of mechanical design teaching model frame according to claim 1, characterized in that, the second rotating device (7) comprises a disk (73), and the surface of the disk (73) is evenly distributed. There is a first rotation groove (72) compatible with the driving rod (43), and a second rotation groove (71) compatible with the arc-shaped disc (42) is opened between every two first rotation grooves (72). ). 4. A machine design teaching model frame according to claim 3, characterized in that there are four first rotation slots (72) and four second rotation slots (71) respectively.