Machining course teaching aid

Abstract

The utility model relates to the technical field of teaching aids, in particular to a teaching aid for machining courses, which can be conveniently operated by students with different heights, and the students do not need to hold the teaching aid by hands for operation, so that the teaching aid is more convenient for the students to operate, and the use convenience is improved. Comprising a teaching aid body, a supporting column is rotatably mounted in the center of the top end of a supporting table, the bottom end of the teaching aid body is fixedly connected with the top end of the supporting column, three mounting bases are annularly and fixedly arranged at the bottom end of the supporting table at equal intervals, supporting legs are hinged to the three mounting bases, and bases are hinged to the bottom ends of the three supporting legs; the output end of the electric telescopic rod is fixedly connected with a connecting plate, three sets of inner hinge seats are annularly and fixedly arranged on the outer wall of the connecting plate at equal intervals, transmission battens are hinged to the three sets of inner hinge seats, outer hinge seats are fixedly arranged on the inner sides of the three sets of supporting legs, and the outer side ends of the three sets of transmission battens are hinged to the three sets of outer hinge seats correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching aids, in particular to mechanical processing course teaching aids. Background Art

[0002] Mechanical processing refers to the process of changing the shape, size or performance of a workpiece through mechanical equipment. Currently, most teaching activities for mechanical processing courses still need to be conducted through books and video materials. However, the teaching of mechanical processing and assembly through books and video materials is too pale. Students cannot have a deep understanding of the processing and assembly of mechanical structures in class, which affects the teaching effect and students' practical ability.

[0003] After searching, it was found that the patent publication number CN213781405U discloses a mechanical processing course teaching aid, which includes a base, a vertical support plate, a horizontal support plate, a limit block, a rocker arm, a transmission shaft, an eccentric wheel, a push rod and an elastic part...

[0004] Although the above patent can solve the technical problems existing in the teaching of existing mechanical processing courses, it has certain disadvantages in actual use. When using the course teaching aids, they need to be placed on the desktop or held in the hands of students for operation. Placing them on the desktop for operation is not convenient for students of different heights to operate. When students hold the teaching aids in their hands for operation, the teaching aids have a certain weight, which makes it inconvenient for students to operate and affects the convenience of use. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a mechanical processing course teaching aid that can be conveniently operated by students of different heights. Students no longer need to hold the teaching aids to operate, making it more convenient for students to operate and improving the convenience of use.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical processing course teaching aid, comprising a teaching aid body and a supporting mechanism, the supporting mechanism comprising a supporting platform, a pillar is rotatably installed at the center of the top of the supporting platform, the bottom end of the teaching aid body is fixedly connected to the top of the pillar, three groups of mounting seats are fixedly arranged in an annular manner at equal intervals at the bottom end of the supporting platform, the three groups of mounting seats are hingedly installed with legs, the bottom ends of the three groups of legs are hinged with bases, the bottoms of the three groups of bases are fixedly installed with universal wheels, each group of universal wheels is provided with brake pads, an electric telescopic rod is fixedly installed in the center of the bottom of the supporting platform, the output end of the electric telescopic rod is fixedly connected with a connecting plate, three groups of inner hinged seats are fixedly arranged in an annular manner at equal intervals on the outer wall of the connecting plate, the three groups of inner hinged seats are hinged with transmission strips, the inner sides of the three groups of legs are fixedly provided with external hinged seats, and the outer ends of the three groups of transmission strips are respectively hinged to the three groups of external hinged seats.

[0008] Preferably, a collar is fixedly connected to the top of the support platform, the collar is sleeved on the outside of the pillar, and a knob bolt is threadedly mounted on the collar.

[0009] Preferably, a handle is fixedly connected to the rear outer wall of the support platform.

[0010] Preferably, the fixed sleeve on the push handle is provided with an anti-slip handle sleeve.

[0011] Preferably, a plurality of groups of anti-slip convex strips are fixedly provided in an annular manner and equidistantly on the outer wall of the knob bolt.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the bottom of the teaching aid body is fixedly connected to the top of the pillar by welding, and the teaching aid is pushed to an appropriate position in the classroom. When students use and operate, they can start the electric telescopic rod according to their respective heights, so that the electric telescopic rod pushes the connecting plate to move downward, and the connecting plate pulls the supporting legs to rotate inward with the mounting seat as the center through the transmission strip plate, so that the height of the support platform is increased, or the electric telescopic rod drives the connecting plate to move upward, so that the connecting plate pushes the supporting legs to rotate outward with the mounting seat as the center through the transmission strip plate, so that the height of the support platform is lowered, so as to adjust the teaching aid body to a suitable operating height, and then the universal wheel is locked by the brake pad, and the teaching aid body can be rotated arbitrarily by rotating the pillar on the support platform, which is convenient for students to operate, thereby facilitating students to operate, thereby facilitating students of different heights to operate, and students no longer need to hold the teaching aids to operate, making it more convenient for students to operate and improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a front structural schematic diagram of the utility model;

[0015] Figure 3 It is a partial axonometric structural schematic diagram of the utility model;

[0016] Figure 4 It is a schematic diagram of the top view of the structure of the knob bolt, the collar and the support in the utility model;

[0017] Markings in the attached drawings: 1. teaching aid body; 2. support platform; 3. pillar; 4. mounting seat; 5. outrigger; 6. base; 7. universal wheel; 8. brake pad; 9. electric telescopic rod; 10. connecting plate; 11. inner hinge seat; 12. transmission strip plate; 13. outer hinge seat; 14. collar; 15. knob bolt; 16. hand push handle; 17. anti-slip handle cover; 18. anti-slip convex strip. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] Example

[0020] See also Figure 1-Figure 4 The mechanical processing course teaching aid of the utility model comprises a teaching aid body 1, a support platform 2 having a support column 3 rotatably installed at the top center thereof, the bottom end of the teaching aid body 1 is fixedly connected to the top end of the support column 3, three groups of mounting seats 4 are fixedly arranged at an annular equidistant manner at the bottom end of the support platform 2, the three groups of mounting seats 4 are hingedly installed with legs 5, the bottom ends of the three groups of legs 5 are hingedly provided with bases 6, universal wheels 7 are fixedly arranged at the bottoms of the three groups of bases 6, and brake pads 8 are arranged on each group of universal wheels 7, an electric telescopic rod 9 is fixedly installed at the bottom center of the support platform 2, a connecting plate 10 is fixedly connected to the output end of the electric telescopic rod 9, three groups of inner hinged seats 11 are fixedly arranged at an annular equidistant manner on the outer wall of the connecting plate 10, transmission strips 12 are hingedly arranged on the three groups of inner hinged seats 11, and outer hinged seats 13 are fixedly arranged on the inner sides of the three groups of legs 5, and the outer ends of the three groups of transmission strips 12 are respectively hinged to the three groups of outer hinged seats 13; when in use, the bottom of the teaching aid body 1 is fixedly connected to the top end of the support column 3 by welding, and ... The teaching aid body 1 is pushed to an appropriate position in the classroom. When using it, students can start the electric telescopic rod 9 according to their respective heights, so that the electric telescopic rod 9 pushes the connecting plate 10 to move downward, so that the connecting plate 10 pulls the supporting leg 5 to rotate inwardly with the mounting seat 4 as the center through the transmission strip plate 12, so that the support platform 2 is raised in height, or the electric telescopic rod 9 drives the connecting plate 10 to move upward, so that the connecting plate 10 pushes the supporting leg 5 to rotate outward with the mounting seat 4 as the center through the transmission strip plate 12, so that the height of the support platform 2 is lowered, so as to adjust the teaching aid body 1 to a suitable operating height, and then lock the universal wheel 7 through the brake pad 8. During the rotation of the supporting leg 5, the universal wheel 7 moves horizontally on the ground. Through the rotation of the support column 3 on the support platform 2, the teaching aid body 1 can be rotated arbitrarily, which is convenient for students to operate, thereby facilitating the operation of students of different heights, and students no longer need to hold the teaching aid for operation, making it more convenient for students to operate and improving the convenience of use.

[0021] A collar 14 is fixedly connected to the top of the support platform 2, and the collar 14 is sleeved on the outside of the pillar 3. A knob bolt 15 is threadedly mounted on the collar 14. By arranging the collar 14 and the knob bolt 15, when the teaching aid body 1 does not need to rotate, the knob bolt 15 can be tightened to tighten the pillar 3 by screwing the knob bolt 15, so that the teaching aid body 1 will not rotate easily.

[0022] A push handle 16 is fixedly connected to the rear outer wall of the support platform 2; by providing the push handle 16, the teaching aid can be easily pushed to move.

[0023] The anti-skid handle 17 is fixedly mounted on the push handle 16 . The anti-skid handle 17 can prevent the hand from slipping when the push handle 16 is used to push the device to move.

[0024] A plurality of groups of anti-skid convex strips 18 are fixedly provided in an annular manner and equidistantly on the outer wall of the knob bolt 15 ; the anti-skid convex strips 18 can prevent the knob bolt 15 from slipping when being screwed.

[0025] The mechanical processing course teaching aid of the utility model has a working principle. When in use, the bottom of the teaching aid body 1 is fixedly connected to the top of the pillar 3 by welding, and the teaching aid is pushed to an appropriate position in the classroom. When using and operating, students can start the electric telescopic rod 9 according to their own height, so that the electric telescopic rod 9 pushes the connecting plate 10 to move downward, so that the connecting plate 10 pulls the supporting leg 5 to rotate inward with the mounting seat 4 as the center through the transmission strip plate 12, so that the height of the support platform 2 is increased, or the electric telescopic rod 9 drives the connecting plate 10 to move upward, so that the connecting plate 10 pushes the supporting leg 5 to rotate outward with the mounting seat 4 as the center through the transmission strip plate 12, so that the height of the support platform 2 is reduced, so as to adjust the teaching aid body 1 to a suitable operating height, and then the universal wheel 7 is locked by the brake pad 8, and the teaching aid body 1 can be rotated arbitrarily by rotating the pillar 3 on the support platform 2, which is convenient for students to operate, and when the teaching aid body 1 does not need to be rotated, the knob bolt 15 can be screwed to tighten the pillar 3, so that the teaching aid body 1 will not rotate easily.

[0026] The installation method, connection method or setting method of the mechanical processing course teaching aid of the present invention are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the electric telescopic rod and universal wheel of the mechanical processing course teaching aid of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual. In addition, the teaching aid body in this application refers to a mechanical processing course teaching aid disclosed in patent publication number CN213781405U, which belongs to the prior art. Its specific structural composition and operating principle have been described in detail in the cited patent, so this application will not go into too much detail.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mechanical processing course teaching aid, comprising a teaching aid body (1), characterized in that: Also includes a support mechanism; The supporting mechanism comprises a supporting platform (2), a support column (3) is rotatably mounted at the center of the top of the supporting platform (2), the bottom of the teaching aid body (1) is fixedly connected to the top of the support column (3), three groups of mounting seats (4) are fixedly arranged at equal intervals in a circular manner at the bottom of the supporting platform (2), the three groups of mounting seats (4) are hingedly mounted with supporting legs (5), the bottom ends of the three groups of supporting legs (5) are hingedly mounted with bases (6), the bottoms of the three groups of bases (6) are fixedly mounted with universal wheels (7), and each group of universal wheels (7) is provided with The invention discloses a brake pad (8). An electric telescopic rod (9) is fixedly installed at the center of the bottom of the support platform (2). The output end of the electric telescopic rod (9) is fixedly connected to a connecting plate (10). Three groups of inner hinge seats (11) are fixedly arranged at equal intervals on the outer wall of the connecting plate (10). The three groups of inner hinge seats (11) are all hinged with transmission strips (12). The inner sides of the three groups of supporting legs (5) are all fixed with outer hinge seats (13). The outer ends of the three groups of transmission strips (12) are respectively hinged with the three groups of outer hinge seats (13).

2. The mechanical processing course teaching aid according to claim 1, characterized in that: The top of the support platform (2) is fixedly connected with a collar (14), the collar (14) is sleeved on the outside of the pillar (3), and a knob bolt (15) is threadedly mounted on the collar (14).

3. The mechanical processing course teaching aid according to claim 2, characterized in that: A hand handle (16) is fixedly connected to the rear outer wall of the support platform (2).

4. The mechanical processing course teaching aid according to claim 3, characterized in that: The hand push handle (16) is fixedly sleeved with an anti-slip handle sleeve (17).

5. The mechanical processing course teaching aid according to claim 4, characterized in that: A plurality of groups of anti-slip convex strips (18) are fixedly provided in an annular manner and equidistantly on the outer wall of the knob bolt (15).

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