CN214312374U

CN214312374U - Multifunctional cam demonstration teaching aid

Info

Publication number: CN214312374U
Application number: CN202023059893.7U
Authority: CN
Inventors: 郑丽梅
Original assignee: Chongqing Longhao Science And Education Service Co ltd
Current assignee: Chongqing Longhao Science And Education Service Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-28
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a multi-functional cam demonstration teaching aid, the on-line screen storage device comprises a base, the left side fixed mounting at base top has the montant, the spout has been seted up in the front of montant, the inner chamber activity card of montant is equipped with the slider, the first stopper of right side fixedly connected with of slider, the positive fixedly connected with thread bush of slider. The utility model discloses a setting of slider, the slider can carry out the vertical movement at the montant inner chamber, and can drive first stopper in the perpendicular activity of slider and move about going on, so that adjust the height of slide rail, be convenient for to the demonstration of imparting knowledge to students of the cam body of various positions, and through the setting of loose axle, the loose axle can drive the telescopic link and rotate the regulation, the telescopic link can stretch out and draw back by oneself and adjust, convenient to use person uses, the teaching of having solved simultaneously about the cam is comparatively single at present, and can not the multi-angle problem of demonstrating the teaching.

Description

Multifunctional cam demonstration teaching aid

Technical Field

The utility model relates to a teaching technical field specifically is a multi-functional cam demonstration teaching aid.

Background

In the mechanical course teaching, the teaching mode of the cam is single, and is often demonstrated through textbook example questions and plane graphs, the static plane graph demonstration is abstract, students are difficult to understand the motion rule of a driven part in the cam mechanism and the generation process of the cam contour curve, it is difficult to accurately draw the motion curve of the driven part and the contour curve of the cam in a purely manual way in the teaching process of teachers, and the demonstration process is time-consuming, sometimes teachers can demonstrate the generation process of the motion curves and contour lines through CAD, which needs a certain drawing skill, and a computer with CAD software is required to be equipped, sometimes teachers demonstrate the cam mechanism through some animations, however, the animation model and the real object have certain differences, which are not beneficial to establishing related mechanical concepts, and the cam instrument in the laboratory is often heavy and has single function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional cam demonstration teaching aid possesses the advantage that can carry out angle and altitude mixture control, has solved present teaching comparatively single about the cam, and can not the multi-angle show problem of teaching.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional cam demonstration teaching aid, includes the base, the left side fixed mounting at base top has the montant, the spout has been seted up in the front of montant, the inner chamber activity card of montant is equipped with the slider, the first stopper of right side fixedly connected with of slider, the positive fixedly connected with thread bush of slider, the inner chamber threaded connection of thread bush has the threaded rod, the top fixedly connected with horizontal pole of montant, the middle part of horizontal pole rotates and is connected with the pivot, the right side of horizontal pole is rotated and is connected with the loose axle, the right side fixedly connected with slide rail of first stopper, the draw-in groove has been seted up in the front of slide rail.

Preferably, the bottom of the movable shaft is rotatably connected with a telescopic rod, and the bottom of the telescopic rod is fixedly connected with a ring sleeve.

Preferably, gear tracks are fixedly arranged at the top and the bottom of the inner cavity of the sliding rail, and gears are movably connected to the inner sides of the gear tracks.

Preferably, the front fixedly connected with second stopper of gear, the front fixedly connected with kelly of second stopper, the surperficial movable sleeve of kelly is equipped with the cam body.

Preferably, the front surface of the sliding block is provided with a threaded hole, and the back surface of the threaded rod is movably clamped in an inner cavity of the threaded hole.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting of slider, the slider can carry out the vertical movement at the montant inner chamber, and can drive first stopper in the perpendicular activity of slider and move about going on, so that adjust the height of slide rail, be convenient for to the demonstration of imparting knowledge to students of the cam body of various positions, and through the setting of loose axle, the loose axle can drive the telescopic link and rotate the regulation, the telescopic link can stretch out and draw back by oneself and adjust, convenient to use person uses, the teaching of having solved simultaneously about the cam is comparatively single at present, and can not the multi-angle problem of demonstrating the teaching.

2. The utility model discloses a gear card establishes the setting in the gear track, and the gear can carry out horizontal activity, and can drive the cam body and rotate, adjusts the ring cover to the surface of cam body through the pivoted while, draws the surface of cam body through the chalk that the card was established in the ring cover, can more audio-visual imparting knowledge to students.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial side sectional view of the slide rail of the present invention;

fig. 3 is a cross-sectional view of the utility model of a vertical rod structure.

In the figure: 1. a base; 2. a card slot; 3. a slide rail; 4. sleeving a ring; 5. a telescopic rod; 6. a movable shaft; 7. a clamping rod; 8. a rotating shaft; 9. a cross bar; 10. a vertical rod; 11. a cam body; 12. a first stopper; 13. a threaded rod; 14. a gear track; 15. a threaded sleeve; 16. a gear; 17. a second limiting block; 18. a slider; 19. a threaded hole; 20. a chute.

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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a multi-functional cam demonstration teaching aid comprises a base 1, a vertical rod 10 is fixedly installed on the left side of the top of the base 1, a sliding groove 20 is formed in the front of the vertical rod 10, a sliding block 18 is movably clamped in an inner cavity of the vertical rod 10, a first limiting block 12 is fixedly connected to the right side of the sliding block 18, a threaded sleeve 15 is fixedly connected to the front of the sliding block 18, a threaded rod 13 is connected to the inner cavity of the threaded sleeve 15 in a threaded manner, a threaded hole 19 is formed in the front of the sliding block 18, a transverse rod 9 is movably clamped in the inner cavity of the threaded hole 19 at the back of the threaded rod 13, a transverse rod 9 is fixedly connected to the top of the vertical rod 10, a rotating shaft 8 is rotatably connected to the middle of the transverse rod 9, a movable shaft 6 is rotatably connected to the right side of the transverse rod 9, a telescopic rod 5 is rotatably connected to the bottom of the movable shaft 6, a ring sleeve 4 is fixedly connected to the bottom of the telescopic rod 5, a sliding rail 3 is fixedly connected to the right side of the first limiting block 12, the top and the bottom of the inner cavity of the slide rail 3 are fixedly provided with gear rails 14, the inner side of the gear rails 14 is movably connected with a gear 16, the gear 16 is clamped in the gear rails 14, the gear 16 can move horizontally and can drive the cam body 11 to rotate, the ring sleeve 4 is adjusted to the surface of the cam body 11 through rotation, chalk clamped in the ring sleeve 4 is used for painting the surface of the cam body 11, more visual teaching can be realized, the front surface of the gear 16 is fixedly connected with a second limiting block 17, the front surface of the second limiting block 17 is fixedly connected with a clamping rod 7, the surface of the clamping rod 7 is movably sleeved with the cam body 11, the front surface of the slide rail 3 is provided with a clamping groove 2, through the arrangement of a slide block 18, the slide block 18 can vertically move in the inner cavity of the vertical rod 10, and the slide block 18 can drive the first limiting block 12 to move up and down when moving vertically, so that adjust the height of slide rail 3, be convenient for to the demonstration of imparting knowledge to students of the cam body 11 of various positions, and through the setting of loose axle 6, loose axle 6 can drive telescopic link 5 and rotate the regulation, and telescopic link 5 can stretch out and draw back by oneself and adjust, and convenient to use person uses, has solved simultaneously that present teaching about the cam is comparatively single, and can not the multi-angle problem of demonstrateing the teaching.

The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file all can purchase from the market simultaneously, each part can all be customized according to the record of description and attached drawing in this application file, the concrete joining mode of each part all adopts conventional means such as ripe bolt in the prior art, rivets, welding, machinery, part and equipment all adopt conventional model in the prior art, no longer make specific statement here.

During the use, slider 18 can carry out the vertical movement in 10 inner chambers of montant, and can drive first stopper 12 and move about from top to bottom in the vertical movement of slider 18, so as to adjust the height of slide rail 3, be convenient for teach the demonstration to the cam body 11 of various positions, and can drive telescopic link 5 through loose axle 6 and rotate the regulation, telescopic link 5 can stretch out and draw back by oneself and adjust, it can carry out horizontal movement in gear track 14 to establish through gear 16 card, and can drive cam body 11 and rotate, adjust ring cover 4 to the surface of cam body 11 through pivoted while, the chalk of establishing through the card in ring cover 4 is painted the surface of cam body 11, can more audio-visually impart knowledge to students.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional cam demonstration teaching aid, includes base (1), its characterized in that: the utility model discloses a bearing seat, including base (1), slide rail (9), slider (10), slide groove (20) have been seted up in the left side fixed mounting at base (1) top, spout (20) have been seted up in the front of montant (10), the inner chamber activity card of montant (10) is equipped with slider (18), the first stopper of right side fixedly connected with (12) of slider (18), the positive fixedly connected with thread bush (15) of slider (18), the inner chamber threaded connection of thread bush (15) has threaded rod (13), the top fixedly connected with horizontal pole (9) of montant (10), the middle part of horizontal pole (9) is rotated and is connected with pivot (8), the right side of horizontal pole (9) is rotated and is connected with loose axle (6), the right side fixedly connected with slide rail (3) of first stopper (12), draw-in groove (2) have been seted up in the front of slide rail (3).

2. A multi-functional cam demonstration teaching aid according to claim 1, characterized in that: the bottom of loose axle (6) is rotated and is connected with telescopic link (5), the bottom fixedly connected with ring cover (4) of telescopic link (5).

3. A multi-functional cam demonstration teaching aid according to claim 1, characterized in that: the top and the bottom of the inner cavity of the sliding rail (3) are fixedly provided with gear tracks (14), and the inner sides of the gear tracks (14) are movably connected with gears (16).

4. A multi-functional cam demonstration teaching aid according to claim 3, characterized in that: the front fixedly connected with second stopper (17) of gear (16), the front fixedly connected with kelly (7) of second stopper (17), the surperficial movable sleeve of kelly (7) is equipped with cam body (11).

5. A multi-functional cam demonstration teaching aid according to claim 1, characterized in that: the front surface of the sliding block (18) is provided with a threaded hole (19), and the back surface of the threaded rod (13) is movably clamped in an inner cavity of the threaded hole (19).