CN206411965U - A kind of mechanics teaching demonstration device - Google Patents
A kind of mechanics teaching demonstration device Download PDFInfo
- Publication number
- CN206411965U CN206411965U CN201720077275.4U CN201720077275U CN206411965U CN 206411965 U CN206411965 U CN 206411965U CN 201720077275 U CN201720077275 U CN 201720077275U CN 206411965 U CN206411965 U CN 206411965U
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- China
- Prior art keywords
- bull stick
- friction pad
- teaching demonstration
- thread bush
- demonstrating
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Abstract
The utility model discloses a kind of mechanics teaching demonstration device, including pedestal, the top left and right sides of the pedestal is installed with support bar, first bull stick is installed on the inside of the support bar, the left and right ends of first bull stick are installed with clamp and handle respectively, the junction of first bull stick and support bar is provided with the first collar, the outer right wall of first bull stick is threaded with thread bush, connecting cylinder is installed on the right side of the thread bush, the top of first bull stick is installed with apparatus for demonstrating, the apparatus for demonstrating includes crust of the device, the top surrounding of described device shell is installed with baffle plate, the upper surface of described device shell is sequentially provided with the first friction pad from left to right, second friction pad and glass fiber sheets.The mechanics teaching demonstration device, by the cooperation of the first bull stick, thread bush, connecting cylinder and apparatus for demonstrating, demonstrates mechanics principle more visual in imagely, easily facilitates student's understanding, improves quality of instruction.
Description
Technical field
The utility model is related to teaching aid technical field, specially a kind of mechanics teaching demonstration device.
Background technology
In physics teaching course, mechanics is important part in Physics Course, is passed through during giving lessons
Test aided education apparatus and carry out experimental demonstration, student can more intuitively understand and grasp many principles of mechanics, for example
Lever principle etc., but this assistant experiment apparatus extremely lacks at present, be in more give lessons by teacher on blackboard
Draw static schematic diagram to be explained, this figure demonstrating can not make student memory deep.Such as Patent No.
201420510224.2 patent, includes mainboard, dolly, pulley, slide bar and support base, and mainboard is main body of the present utility model
Part, mainboard upper surface in two sub-sections, respectively shiny surface and frosting, two sides of mainboard are respectively equipped with slide bar, slide bar
Provided with two moveable poles, each pole upper end is equipped with pulley, is closed although the patent is simple in construction to a certain extent
Reason, but mechanics principle can not be demonstrated visual in imagely, it is not easy to student's understanding, it is impossible to excite learning interest, influences quality of instruction.
Utility model content
The purpose of this utility model is to provide a kind of mechanics teaching demonstration device, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of mechanics teaching demonstration device, including base
Seat, the top left and right sides of the pedestal, which is installed with the inside of support bar, the support bar, is provided with the first bull stick, institute
The left and right ends for stating the first bull stick are installed with clamp and handle respectively, and the junction of first bull stick and support bar is installed
There is the first collar, the outer right wall of first bull stick, which is threaded with the right side of thread bush, the thread bush, is provided with connection
Cylinder, the top of first bull stick is installed with apparatus for demonstrating, and the apparatus for demonstrating includes crust of the device, described device shell
Top surrounding be installed with baffle plate, the upper surface of described device shell is sequentially provided with the first friction pad, from left to right
Two friction pads and glass fiber sheets, the top of first friction pad, the second friction pad and glass fiber sheets are equipped with sliding block, institute
The front outer wall center for stating sliding block is provided with designation card.
It is preferred that, the top of the sliding block, which is installed with the inside of support base, the support base, is provided with cross bar, described
The front of support base is provided with the second bull stick, and the junction of second bull stick and support base is provided with the second collar, the horizontal stroke
The left and right ends of bar are installed with sprue, and the outer wall left and right sides of the cross bar is socketed with cage plate, the top of the cage plate
End is threaded with bolt, and the bottom of the cage plate is installed with support board.
It is preferred that, the outer wall of the cross bar is provided with graduation mark.
It is preferred that, the left side of the thread bush is provided with pad.
It is preferred that, the bottom of the pedestal is provided with rubber blanket.
Compared with prior art, the beneficial effects of the utility model are：The mechanics teaching demonstration device, passes through first turn
Bar, thread bush, the cooperation of connecting cylinder and apparatus for demonstrating, the first friction pad, the second friction pad and glass are individually positioned in by sliding block
Fibre plate, due to crust of the device run-off the straight, sliding block is slided in the first friction pad, the second friction pad and glass fiber sheets, observation
The distance that each sliding block is slided in the first friction pad, the second friction pad and glass fiber sheets, judges same sliding block different
Suffered frictional force, demonstrates mechanics principle more visual in imagely on surface, easily facilitates student's understanding, improves teaching matter
Amount.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is apparatus for demonstrating structural representation of the present utility model；
Fig. 3 is slide block structure schematic diagram of the present utility model.
In figure：1st, pedestal, 2, support bar, the 3, first bull stick, 4, clamp, 5, handle, the 6, first collar, 7, thread bush, 8,
Connecting cylinder, 9, apparatus for demonstrating, 901, crust of the device, 902, baffle plate, the 903, first friction pad, the 904, second friction pad, 905, glass
Glass fibre plate, 906, sliding block, 907, designation card, 908, support base, 909, cross bar, the 910, second bull stick, the 911, second collar,
912nd, sprue, 913, cage plate, 914, bolt, 915, support board, 916, graduation mark, 10, pad, 11, rubber blanket.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of mechanics teaching demonstration device, including pedestal
1, the top left and right sides of pedestal 1 is installed with support bar 2, and the inner side of support bar 2 is provided with the first bull stick 3, first turn
The left and right ends of bar 3 are installed with clamp 4 and handle 5 respectively, and clamp 4 prevents clamp 4 from being separated with support bar 2, clockwise or
Handle 5 is rotated counterclockwise, handle 5 drives the first bull stick 3 to be rotated in the inner side of support bar 2, the company of the first bull stick 3 and support bar 2
The place of connecing is provided with the first collar 6, and the first collar 6 plays a part of being easy to rotating between the first bull stick 3 and support bar 2, first turn
The outer right wall of bar 3 is threaded with thread bush 7, and the right side of thread bush 7 is provided with connecting cylinder 8, and the top of the first bull stick 3 is fixed
Apparatus for demonstrating 9 is installed, when Physical Education Teacher does mechanics demonstration, connecting cylinder 8 is rotated counterclockwise, connecting cylinder 8 drives the inverse time of thread bush 7
Pin is rotated, and drives the first bull stick 3 to rotate by handle 5, and the first bull stick 3 drives apparatus for demonstrating 9 to rotate, and apparatus for demonstrating 9 inclines
Tiltedly, when apparatus for demonstrating 9 tilts to proper angle, connecting cylinder 8 is rotated clockwise, connecting cylinder 8 is driven after 7 pairs of regulations of thread bush
Angle of inclination be fixed, apparatus for demonstrating 9 includes crust of the device 901, and the top surrounding of crust of the device 901 is installed with
Baffle plate 902, the upper surface of crust of the device 901 is sequentially provided with the first friction pad 903, the second friction pad 904 and glass from left to right
Fibre plate 905, the coefficient of friction of the second friction pad 904 is more than the coefficient of friction of the first friction pad 903, glass fiber sheets 905
Surface is smooth, and the first friction pad 903, the second friction pad 904 are different with the coefficient of friction on the surface of glass fiber sheets 905, is easy to ratio
Compared with the top of the first friction pad 903, the second friction pad 904 and glass fiber sheets 905 is equipped with sliding block 906, and sliding block 906 is just
Face outer wall center is provided with designation card 907, and designation card 907 is classified to sliding block 906, and peace is fixed on the top of sliding block 906
Equipped with support base 908, the inner side of support base 908 is provided with cross bar 909, and the front of support base 908 is provided with the second bull stick 910,
Apply an external force to cross bar 909, cross bar 909 drives the second bull stick 910 to be rotated in the inner side of support base 908, the second bull stick 910
Second collar 911 is installed with the junction of support base 908, the second collar 911, which is played, is easy to the second bull stick 910 and support base
The effect rotated between 908, the left and right ends of cross bar 909 are installed with sprue 912, the outer wall left and right sides of cross bar 909
Cage plate 913 is socketed with, sprue 912 prevents cage plate 913 from being separated with cross bar 909, and the top of cage plate 913 is threaded with bolt
914, the bottom of cage plate 913 is installed with support board 915, and the counterweight of different weight is placed on support board 915, counterweight weight
One end of amount weight declines, and the lightweight one end of counterweight rises, and more visually shows lever principle, the outer wall of cross bar 909 is provided with
Graduation mark 916, the left side of thread bush 7 is provided with pad 10, and the bottom of pedestal 1 is provided with rubber blanket 11, and rubber blanket 11 is quality of rubber materials
It is made.
On physics lesson, when Physical Education Teacher does mechanics demonstration, connecting cylinder 8 is rotated counterclockwise, connecting cylinder 8 drives thread bush 7
Rotate counterclockwise, drive the first bull stick 3 to rotate by handle 5, the first bull stick 3 drives apparatus for demonstrating 9 to rotate, and apparatus for demonstrating 9 is sent out
It is raw to tilt, when apparatus for demonstrating 9 tilts to proper angle, connecting cylinder 8 is rotated clockwise, connecting cylinder 8 drives 7 pairs of regulations of thread bush
Angle of inclination afterwards is fixed, and sliding block 906 is individually positioned in into the first friction pad 903, the second friction pad 904 and glass fibers
Piece 905 is tieed up, due to the run-off the straight of crust of the device 901, sliding block 906 is in the first friction pad 903, the second friction pad 904 and glass fibers
Dimension piece 905 is slided, and observes what each sliding block 906 was slided in the first friction pad 903, the second friction pad 904 and glass fiber sheets 905
Distance, judges same sliding block 906 frictional force suffered on different surfaces, mechanics is demonstrated more visual in imagely former
Reason, easily facilitates student's understanding, excites learning interest, improve quality of instruction.
In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " two ends " or position close
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as to limitation of the present utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " spinning " should be interpreted broadly, and also can be to be detachably connected for example, can be fixedly connected, or integrally；
Can mechanically connect, also can be electrical connection；Can be joined directly together, can be also indirectly connected to by intermediary, can
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It will be appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of mechanics teaching demonstration device, including pedestal（1）, it is characterised in that：The pedestal（1）The top left and right sides it is equal
It is installed with support bar（2）, the support bar（2）Inner side the first bull stick is installed（3）, first bull stick（3）A left side
Right two ends are installed with clamp respectively（4）And handle（5）, first bull stick（3）With support bar（2）Junction be provided with
First collar（6）, first bull stick（3）Outer right wall be threaded with thread bush（7）, the thread bush（7）Right side
Connecting cylinder is installed（8）, first bull stick（3）Top be installed with apparatus for demonstrating（9）, the apparatus for demonstrating（9）Bag
Include crust of the device（901）, described device shell（901）Top surrounding be installed with baffle plate（902）, described device shell
（901）Upper surface be sequentially provided with the first friction pad from left to right（903）, the second friction pad（904）And glass fiber sheets
（905）, first friction pad（903）, the second friction pad（904）And glass fiber sheets（905）Top be equipped with sliding block
（906）, the sliding block（906）Front outer wall center designation card is installed（907）.
2. a kind of mechanics teaching demonstration device according to claim 1, it is characterised in that：The sliding block（906）Top
It is installed with support base（908）, the support base（908）Inner side cross bar is installed（909）, the support base（908）'s
Front is provided with the second bull stick（910）, second bull stick（910）With support base（908）Junction the second collar is installed
（911）, the cross bar（909）Left and right ends be installed with sprue（912）, the cross bar（909）Outer wall or so two
Side is socketed with cage plate（913）, the cage plate（913）Top be threaded with bolt（914）, the cage plate（913）Bottom
End is installed with support board（915）.
3. a kind of mechanics teaching demonstration device according to claim 2, it is characterised in that：The cross bar（909）Outer wall
Provided with graduation mark（916）.
4. a kind of mechanics teaching demonstration device according to claim 1, it is characterised in that：The thread bush（7）Left side
Provided with pad（10）.
5. a kind of mechanics teaching demonstration device according to claim 1, it is characterised in that：The pedestal（1）Bottom set
There is rubber blanket（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720077275.4U CN206411965U (en) | 2017-01-22 | 2017-01-22 | A kind of mechanics teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720077275.4U CN206411965U (en) | 2017-01-22 | 2017-01-22 | A kind of mechanics teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206411965U true CN206411965U (en) | 2017-08-15 |
Family
ID=59557352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720077275.4U Expired - Fee Related CN206411965U (en) | 2017-01-22 | 2017-01-22 | A kind of mechanics teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206411965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147505A (en) * | 2018-10-12 | 2019-01-04 | 合肥磐石自动化科技有限公司 | A kind of mechanics apparatus for demonstrating |
-
2017
- 2017-01-22 CN CN201720077275.4U patent/CN206411965U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147505A (en) * | 2018-10-12 | 2019-01-04 | 合肥磐石自动化科技有限公司 | A kind of mechanics apparatus for demonstrating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20180122 |