CN213904659U

CN213904659U - Teaching aid is used in economic management teaching

Info

Publication number: CN213904659U
Application number: CN202022944726.4U
Authority: CN
Inventors: 张瑞华; 孙新芳; 杨威; 张楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-06
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a teaching aid is used in economic management teaching relates to teaching aid technical field, comprising a main body, top in the main part is provided with the cavity, the top of cavity is provided with first gear. The utility model discloses a set up first gear, the second gear, the slider, a spring, connecting rod and telescopic link isotructure, fix the teaching board, when needs write the teaching board, through the spring extension, make latch and first gear card with, fix first gear, make the teaching board more firm be convenient for write, when needs teach, through the pulling pull rod, make the pull rod slide in the spout, through pulling the pull rod in as the recess, can fix the slider, be convenient for first gear rotates, through rotating the handle, drive the second gear through the handle and rotate, drive first gear through the second gear and rotate, make the teaching board rotate, through rotating the angle of the adjustable teaching board of handle, be convenient for impart knowledge to students.

Description

Teaching aid is used in economic management teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a teaching aid is used in economic management teaching.

Background

The teaching aid is as teacher's supplementary teaching's apparatus, has the irreplaceable effect of other means, no matter which subject, all can have certain teaching aid as appurtenance, and the teacher really incorporates the teaching aid into the teaching process as required, and the footing is actual, selects and uses the teaching aid in good time, can arouse student interest in learning, and outstanding teaching key breaks through the difficult point of teaching, optimizes classroom teaching structure, develops student innovation thinking power, can effectively improve teaching quality and efficiency.

The in-process that current teaching aid for economic management teaching was using because the teaching board is fixed, sits the student on classroom both sides when watching the teaching board, and the reflection of light appears easily in the teaching board, leads to realizing fuzzy influence teaching quality, and the fixed effect of teaching board when writing is unsatisfactory.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the existing teaching aid for economic management teaching is fixed mostly when the teaching aid is used, part of students easily reflect light when seeing the teaching aid, and the fixing effect is not ideal, the teaching aid for economic management teaching is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a teaching aid for economic management teaching comprises a main body, wherein a cavity is arranged at the top in the main body, a first gear is arranged at the top of the cavity, a second gear which is mutually matched with the first gear is arranged at one side of the top of the cavity, the top of the second gear is provided with a handle which movably penetrates through the main body and extends to the outer side of the main body, the top of the first gear is provided with a support rod which movably penetrates through the main body and extends to the outer side of the main body, a teaching board is arranged at the top of the supporting rod, a connecting rod is arranged at one side of the cavity far away from the second gear, a spring is arranged in the connecting rod, one side of the spring is provided with a telescopic rod extending to the outer side of the connecting rod, one side that the spring was kept away from to the telescopic link is provided with the slider, one side that the telescopic link was kept away from to the slider is provided with the latch that matches each other with first gear, the top of slider is provided with the activity and runs through the pull rod that extends to the main part outside.

Preferably, a drawer is provided at the front end of the main body, and a pull ring is provided at the front end of the drawer.

Preferably, the cavity is internally provided with a slot matched with the first gear and the second gear, and the cavity is internally provided with a sliding groove matched with the sliding block.

Preferably, the diameter of the first gear is larger than that of the second gear, and a sliding groove matched with the telescopic rod is arranged in the connecting rod.

Preferably, the top of the main body is provided with a sliding groove matched with the pull rod, and one side of the sliding groove is provided with a groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up first gear, the second gear, the slider, a spring, connecting rod and telescopic link isotructure, fix the teaching board, when needs write the teaching board, through the spring extension, make latch and first gear card with, fix first gear, make the teaching board more firm be convenient for write, when needs teach, through the pulling pull rod, make the pull rod slide in the spout, through pulling the pull rod in as the recess, can fix the slider, be convenient for first gear rotates, through rotating the handle, drive the second gear through the handle and rotate, drive first gear through the second gear and rotate, make the teaching board rotate, through rotating the angle of the adjustable teaching board of handle, be convenient for impart knowledge to students.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1. a main body; 2. a cavity; 3. a first gear; 4. a second gear; 5. a handle; 6. a support bar; 7. a teaching board; 8. a connecting rod; 9. a spring; 10. a telescopic rod; 11. a slider; 12. a pull rod; 13. clamping teeth; 14. a chute; 15. a groove; 16. a drawer; 17. and (4) a pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a teaching aid for economic management teaching comprises a main body 1, a cavity 2 is arranged at the top in the main body 1, a first gear 3 is arranged at the top of the cavity 2, a second gear 4 matched with the first gear 3 is arranged at one side of the top of the cavity 2, a handle 5 movably penetrating and extending to the outer side of the main body 1 is arranged at the top of the second gear 4, a support rod 6 movably penetrating and extending to the outer side of the main body 1 is arranged at the top of the first gear 3, a teaching board 7 is arranged at the top of the support rod 6, a connecting rod 8 is arranged at one side of the cavity 2 far away from the second gear 4, a spring 9 is arranged inside the connecting rod 8, a telescopic rod 10 extending to the outer side of the connecting rod 8 is arranged at one side of the spring 9, a slide block 11 is arranged at one side of the telescopic rod 10 far away from the spring, a latch 13 matched with the first gear 3 is arranged at one side of the slide block 11 far away from the telescopic rod 10, the top of the sliding block 11 is provided with a pull rod 12 which movably penetrates through the main body 1 and extends to the outer side of the main body 1.

The utility model discloses a set up first gear 3, second gear 4, slider 11, spring 9, connecting rod 8 and telescopic link 10 isotructure, fix teaching board 7, when needs write teaching board 7, through the extension of spring 9, make latch 13 with first gear 3 card with, fix first gear 3, can be convenient for write, when needs teaching, through pulling pull rod 12, make pull rod 12 slide in spout 14, through pulling pull rod 12 in recess 15, can fix slider 11, be convenient for first gear 3 rotates, through rotating handle 5, drive second gear 4 through handle 5 and rotate, drive first gear 3 through second gear 4 and rotate, make teaching board 7 rotate, through the angle of rotating the adjustable teaching board 7 of handle 5, the teaching of being convenient for.

Please refer to fig. 2, the drawer 16 is disposed at the front end of the main body 1, and the pull ring 17 is disposed at the front end of the drawer 16, so that the drawer 16 is convenient for storing some articles to be used and storing.

Please refer to fig. 2 again, the inside of cavity 2 is provided with first gear 3 and second gear 4 assorted fluting, the inside of cavity 2 be provided with slider 11 assorted spout, the utility model discloses a set up the fluting, be convenient for first gear 3 and second gear 4 rotate, through setting up the spout, be convenient for slider 11 slides in cavity 2, fix first gear 3 through latch 13.

Please refer to fig. 1 again, the diameter of first gear 3 is greater than the diameter of second gear 4, the inside of connecting rod 8 be provided with telescopic link 10 assorted spout, the utility model discloses a diameter that sets up first gear 3 is greater than the diameter of second gear 4, is convenient for through the better first gear 3 pivoted speed of regulation of second gear 4, is convenient for teach through teaching board 7.

Please refer to fig. 3, the top of the main body 1 is provided with a sliding groove 14 matching with the pull rod 12, one side of the sliding groove 14 is provided with a groove 15, the utility model discloses a set up the sliding groove 14, be convenient for the pull rod 12 to slide, through setting up the groove 15, be convenient for fix the pull rod 12.

The working principle is as follows: when the teaching aid is needed, the pull rod 12 is pulled first, the slide block 11 is driven to slide in the cavity 2 through the pull rod 12, the spring 9 is contracted, the telescopic rod 10 slides in the connecting rod 8, the telescopic rod 10 and the slide block 11 are driven to slide through the spring 9, the latch 13 is separated from the first gear 3, the slide block 11 can be fixed by clamping the pull rod 12 in the groove 15, the handle 5 is rotated to drive the second gear 4 to rotate, the first gear 3 is driven to rotate through the second gear 4, the support rod 6 and the teaching board 7 are driven to rotate by the first gear 3, the angle of the teaching board 7 can be adjusted by rotating the handle 5, the teaching is convenient, when the teaching board 7 needs to be written, the pull rod 12 in the groove 15 is pulled to slide in the sliding groove 14, the latch 13 on one side of the slide block 11 is matched with the first gear 3 through the extension of the spring 9, fix first gear 3, be convenient for write on teaching board 7, when needs deposit article, through pulling pull ring 17, pull ring 17 drives drawer 16 and slides, can take out drawer 16, can deposit some things that need to be used through drawer 16.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a teaching aid is used in economic management teaching, includes main part (1), its characterized in that: the top in the main body (1) is provided with a cavity (2), the top of the cavity (2) is provided with a first gear (3), one side of the top of the cavity (2) is provided with a second gear (4) which is matched with the first gear (3), the top of the second gear (4) is provided with a handle (5) which is movably penetrated and extended to the outer side of the main body (1), the top of the first gear (3) is provided with a support rod (6) which is movably penetrated and extended to the outer side of the main body (1), the top of the support rod (6) is provided with a teaching board (7), one side of the cavity (2) far away from the second gear (4) is provided with a connecting rod (8), a spring (9) is arranged in the connecting rod (8), one side of the spring (9) is provided with a telescopic rod (10) which is extended to the outer side of the connecting rod (8), one side of the telescopic rod (10) far away from the spring (9) is provided with a sliding block (11), one side that telescopic link (10) was kept away from in slider (11) is provided with latch (13) of matcing each other with first gear (3), the top of slider (11) is provided with activity and runs through pull rod (12) that extend to the main part (1) outside.

2. A teaching aid for economic management teaching according to claim 1, characterized in that: a drawer (16) is arranged at the front end of the main body (1), and a pull ring (17) is arranged at the front end of the drawer (16).

3. A teaching aid for economic management teaching according to claim 1, characterized in that: the inside of cavity (2) is provided with first gear (3) and second gear (4) assorted fluting, the inside of cavity (2) is provided with the spout with slider (11) assorted.

4. A teaching aid for economic management teaching according to claim 1, characterized in that: the diameter of the first gear (3) is larger than that of the second gear (4), and a sliding groove matched with the telescopic rod (10) is formed in the connecting rod (8).

5. A teaching aid for economic management teaching according to claim 1, characterized in that: the top of main part (1) is provided with spout (14) that mutually match with pull rod (12), one side of spout (14) is provided with recess (15).