A kind of stereoscopic mechanism book
Technical field
The invention belongs to educational aid field, relate to textbook, be specifically related to a kind of stereoscopic mechanism book.
Background technology
Showing by inquiry, it is excessively abstract that each big college student generally reacts mechanical principle course, and classroom indigestion causes that achievement does not increase.Although for this problem, most of industry science class colleges and universities have been equipped with theory of mechanics mechanism Display Rack, extracurriliar for students or visit when testing, it is intended to service student better and learn mechanical principle course well.But there are two defects in Display Rack, on the one hand, Display Rack is expensive, and a Display Rack is accomplished by fund up to ten thousand, and the mechanism of theory of mechanics has a lot, adds burden to the infusion of financial resources of school, mechanical principle course.On the other hand, Display Rack is bulky, it is impossible to taking classroom and attend class use, Display Rack is even locked in laboratory by some school, and student seldom has an opportunity can really touch mechanism so that the meaning of Display Rack reduces.How reducing cost to school, and mechanism can be taken to classroom, attend class for student, play good aided education, allow course become more vivid, allow student learning become a happy process, these problems have to be solved.Therefore, develop an operable stereoscopic mechanism book in this classroom, huge effect will be played on classroom, classroom.
Summary of the invention
It is an object of the invention to for the deficiencies in the prior art, a kind of stereoscopic mechanism book is provided, mechanism in theory of mechanics is integrated in mechanism's book, the mechanism kinematic in books is made by stirring the gear of books side, demonstration is lively, heighten the enjoyment to classroom, intuitive that elevating mechanism principle knowledge emphasis and difficult point are lectured and interactive;By mechanism's demonstration plus basic theoretical knowledge, common mechanism is analyzed, designs, training student theoretical knowledge application power, overcome the problem that standard machinery principle books are stiff, abstract.
The present invention includes book clamp, quadric chain page plate, cam mechanism page plate, contact ratio and overlap ratio page plate and gear engagement law page plate;Described book clamp includes book splint and loose-leaf binding release mechanism;Described book splint includes integrated backboard and two side plates, and two side plates can overturn around backboard;Described loose-leaf binding release mechanism is connected by screw with backboard;Loose-leaf binding release mechanism can open handling, and quadric chain page plate, cam mechanism page plate, contact ratio and overlap ratio page plate and gear engagement law page plate are arranged in book clamp each through loose-leaf binding release mechanism.
Described quadric chain page plate, contact ratio and overlap ratio page plate and gear engagement law page plate all include transparent coating, top book frame, page trigger structure, base plate, actively thumb wheel and driven thumb wheel;In quadric chain page plate, contact ratio and overlap ratio page plate or gear engagement law page plate, top book frame and base plate bonding, page trigger structure, actively thumb wheel and driven thumb wheel are arranged between top book frame and base plate, actively thumb wheel and driven thumb wheel are all hinged with base plate, and actively thumb wheel engages with driven thumb wheel, transparent coating is bonded on the book frame of top;Actively a page side for trigger structure is exposed in the side of thumb wheel.
In described quadric chain page plate, transparent coating being printed on knowledge section title, quickreturn characteristics knowledge point, multistation schematic diagram of mechanism, multistation schematic diagram of mechanism is arranged on directly over the page trigger structure of quadric chain page plate;One end that the page trigger structure of described quadric chain includes crank, connecting rod and rocking bar, crank and rocking bar is all hinged with base plate, and crank and driven thumb wheel are fixed;The two ends of connecting rod are hinged with the other end of crank and rocking bar respectively.
Described cam mechanism page plate includes transparent coating, top book frame, page trigger structure, base plate, actively thumb wheel, driven thumb wheel and transmission thumb wheel.The top book frame of cam mechanism page plate and base plate bonding, page trigger structure, actively thumb wheel, driven thumb wheel and transmission thumb wheel are arranged between top book frame and base plate, actively thumb wheel, driven thumb wheel and transmission thumb wheel are all hinged with base plate, and actively thumb wheel engages with transmission thumb wheel, transmission thumb wheel engages with driven thumb wheel, and transparent coating is bonded on the book frame of top;The transparent coating of described cam mechanism page plate is printed on knowledge section title, cam drive basic parameter and cam locus curve.The page trigger structure of described cam mechanism page plate includes cam and push rod, and push rod is connected by sliding pair with base plate;Described cam is hinged with base plate, and the upper surface of the lower surface of cam and driven thumb wheel is fixed;A page side for trigger structure is exposed in the side of described active thumb wheel.
In described contact ratio and overlap ratio page plate, transparent coating is printed on knowledge section title, contact ratio and overlap ratio figure and registration computing formula;Described contact ratio and overlap ratio figure is arranged on directly over the page trigger structure of contact ratio and overlap ratio page plate;The page trigger structure of described contact ratio and overlap ratio page plate includes registration driving gear, the first driven gear and the second driven gear;Described registration driving gear, the first driven gear and the second driven gear are all hinged with base plate;The lower surface of described registration driving gear and the upper surface of driven thumb wheel are fixed, and the first driven gear and the second driven gear all engage with registration driving gear.
In described gear engagement law page plate, transparent coating is printed on knowledge section title, gear engagement figure and Meshing Calculation Formulas;The page trigger structure of described gear engagement law page plate includes engagement law driving gear and engagement law driven gear, described engagement law driving gear and engagement law driven gear are all hinged with base plate;The lower surface of engagement law driving gear is fixed with the upper surface of driven thumb wheel, and engagement law driven gear engages with engaging law driving gear.Described gear engagement figure is arranged on directly over the page trigger structure of gear engagement law page plate.
Beneficial effects of the present invention:
1, originally large-scale quadric chain is demonstrated mechanism by the present invention, cam demonstrates mechanism, gear engages demonstration teaching aid and contact ratio and overlap ratio demonstration teaching aid Integrated design in small-sized books, make a movable theory of mechanics book of three-dimensional, by the statement combination of 3 D stereo mechanism, multistation schematic diagram of mechanism and knowledge point, originally abstract, complicated knowledge point is transformed into three-dimensional movable stereoscopic mechanism, knowledge point is made to become dramatic more, it is easy to promote student learning interest, impart knowledge to students for mechanical principle course so that teaching process is lively, vivid.
2, compact of the present invention, be convenient for carrying, be conveniently replaceable, cost low, being highly suitable on university researchers needs to promote on the course (such as Machine Design, Graphing of Engineering) of demonstration mechanism, has higher economic worth and application value.
3, the present invention is suitable for standardization production, and production cost is low, and using value is high;Adopting hommization man-machine design, many colors mechanism map coordinates, PMMA material laser engraving.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the present invention;
Fig. 2 is the schematic diagram of middle gear registration page plate of the present invention;
Fig. 3 is the axonometric chart of quadric chain page plate in the present invention;
Fig. 4 is the transparent coating schematic diagram of quadric chain page plate in the present invention;
Fig. 5 is the axonometric chart of cam mechanism of the present invention page plate;
Fig. 6 is the transparent coating schematic diagram of cam mechanism of the present invention page plate;
Fig. 7 is the axonometric chart of middle gear registration page plate of the present invention;
Fig. 8 is the transparent coating schematic diagram of middle gear registration page plate of the present invention;
Fig. 9 is the axonometric chart of middle gear of the present invention engagement law page plate;
Figure 10 is the transparent coating schematic diagram of middle gear of the present invention engagement law page plate.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1,2 and 3, a kind of stereoscopic mechanism book, engages law page plate 5 including book clamp 1, quadric chain page plate 2, cam mechanism page plate 3, contact ratio and overlap ratio page plate 4 and gear;Book clamp 1 includes book splint 7 and loose-leaf binding release mechanism 6;Book splint 7 includes integrated backboard 7-1 and two side plate 7-2, and two side plate 7-2 can overturn around backboard 7-1;Loose-leaf binding release mechanism 6 is connected by screw 8 with backboard 7-1;Loose-leaf binding release mechanism 6 can open handling, and quadric chain page plate 2, cam mechanism page plate 3, contact ratio and overlap ratio page plate 4 and gear engagement law page plate 5 are arranged in book clamp 1 each through loose-leaf binding release mechanism 6.Book clamp 1 serves as the effect of book cover.
Such as Fig. 3, shown in 7 and 9, quadric chain page plate 2, contact ratio and overlap ratio page plate 4 and gear engagement law page plate 5 all include transparent coating 9, top book frame 10, page trigger structure 11, base plate 12, actively thumb wheel 17 and driven thumb wheel 18;In quadric chain page plate 2, contact ratio and overlap ratio page plate 4 or gear engagement law page plate 5, top book frame 10 and base plate 12 bond, page trigger structure 11, actively thumb wheel 17 and driven thumb wheel 18 are arranged between top book frame 10 and base plate 12, actively thumb wheel 17 and driven thumb wheel 18 are all hinged with base plate 12, and actively thumb wheel 17 engages with driven thumb wheel 18, transparent coating 9 is bonded on top book frame 10;Actively a page side for trigger structure 11 is exposed in the side of thumb wheel 17, and available hands stirs actively thumb wheel 17, drives driven thumb wheel 18 to move, thus driving a page trigger structure 11 to move.
As shown in Figures 3 and 4, in quadric chain page plate 2, being printed on knowledge section title 13, quickreturn characteristics knowledge point 14, multistation schematic diagram of mechanism 15 on transparent coating 9, multistation schematic diagram of mechanism 15 is arranged on directly over page trigger structure 11, the kinestate of auxiliary explanation quadric chain;Page trigger structure 11 includes crank 16, connecting rod 16-1 and rocking bar 16-2, and one end of crank 16 and rocking bar 16-2 is all hinged with base plate 12, and crank 16 is fixed with driven thumb wheel 18;The two ends of connecting rod 16-1 are hinged with the other end of crank 16 and rocking bar 16-2 respectively.
As it can be seen in figures 5 and 6, cam mechanism page plate 3 includes transparent coating 9, top book frame 10, page trigger structure 11, base plate 12, actively thumb wheel 17, driven thumb wheel 18 and transmission thumb wheel 22.Top book frame 10 and the base plate 12 of cam mechanism page plate 3 bond, page trigger structure 11, actively thumb wheel 17, driven thumb wheel 18 and transmission thumb wheel 22 are arranged between top book frame 10 and base plate 12, actively thumb wheel 17, driven thumb wheel 18 and transmission thumb wheel 22 are all hinged with base plate 12, and actively thumb wheel 17 engages with transmission thumb wheel 22, transmission thumb wheel 22 engages with driven thumb wheel 18, and transparent coating 9 is bonded on top book frame 10;Transparent coating 9 is printed on knowledge section title 13, cam drive basic parameter 19 and cam locus curve 21.Page trigger structure 11 includes cam 20 and push rod 20-1, and push rod 20-1 is connected by sliding pair with base plate 12;Cam 20 is hinged with base plate 12, and the upper surface of the lower surface of cam 20 and driven thumb wheel 18 is fixed;Actively a page side for trigger structure 11 is exposed in the side of thumb wheel 17, and available hands stirs actively thumb wheel 17, drives driven thumb wheel 18 to move, thus driving a page trigger structure 11 to move.
As shown in FIG. 7 and 8, in contact ratio and overlap ratio page plate 4, transparent coating 9 is printed on knowledge section title 13, contact ratio and overlap ratio figure 23 and registration computing formula 24;Contact ratio and overlap ratio figure 23 is arranged on directly over page trigger structure 11, helps teacher to explain the knowledge of contact ratio and overlap ratio;Page trigger structure 11 includes registration driving gear 11-1, the first driven gear 11-2 and the second driven gear 11-3;Registration driving gear 11-1, the first driven gear 11-2 and the second driven gear 11-3 are all hinged with base plate 12;The upper surface of the lower surface of registration driving gear 11-1 and driven thumb wheel 18 is fixed, and the first driven gear 11-2 and the second driven gear 11-3 all engages with registration driving gear 11-1.
As shown in Figures 9 and 10, in gear engagement law page plate 5, transparent coating 9 is printed on knowledge section title 13, gear engagement figure 27 and Meshing Calculation Formulas 28;Page trigger structure 11 includes engagement law driving gear 25 and engagement law driven gear 26, and engagement law driving gear 25 and engagement law driven gear 26 are all hinged with base plate 12;The lower surface of engagement law driving gear 25 is fixed with the upper surface of driven thumb wheel 18, and engagement law driven gear 26 engages with engaging law driving gear 25.Gear engagement figure 27 is arranged on directly over page trigger structure 11, helps teacher to say the engagement knowledge being disengaged law driving gear 25 and engage law driven gear 26.
The use of this stereoscopic mechanism book:
Opening book clamp 1, can start to read, the typical mechanism that quadric chain page plate 2, cam mechanism page plate 3, contact ratio and overlap ratio page plate 4 and gear engagement law page plate 5 are respectively directed in theory of mechanics has carried out the analysis of physical object simulating and Key Points;Student can stir actively thumb wheel 17 with hands, thus driving a page trigger structure 11 to move, profoundly understands all critical learning in the motion of mechanism and motor process.