CN106023736B - Physics teaching teaching aid - Google Patents
Physics teaching teaching aid Download PDFInfo
- Publication number
- CN106023736B CN106023736B CN201610611850.4A CN201610611850A CN106023736B CN 106023736 B CN106023736 B CN 106023736B CN 201610611850 A CN201610611850 A CN 201610611850A CN 106023736 B CN106023736 B CN 106023736B
- Authority
- CN
- China
- Prior art keywords
- transverse slat
- friction plate
- angle scale
- thread sleeve
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
Abstract
The invention discloses a kind of physics teaching teaching aids, including pedestal and transverse slat, the centre position on affiliated pedestal top is provided with angle scale fixed plate, on the base angle regulator is provided on the left of the angle scale fixed plate, on the base resetting apparatus is provided on the right side of the angle scale fixed plate, the angle regulator is connect perpendicular to the transverse slat and with the transverse slat, the resetting apparatus is connect perpendicular to the transverse slat with the transverse slat, it is provided with angle scale in the angle scale fixed plate, the present invention can show different bevel angle force resolution situations, influence of the variation to frictional force of friction coefficient can be demonstrated out simultaneously, effectively promote learning effect, ensure teaching vivid and interesting, the present invention is suitble to the extensive use in physics teaching.
Description
Technical field
The present invention relates to a kind of teaching aid, specifically a kind of physics teaching teaching aid.
Background technology
Students aid in teaching aid and experimental provision when learning book knowledge, to deepening the understanding of knowledge
It is greatly helped with grasping to have, especially the student to relevant knowledges such as first contacts learning physics frictional force, force resolutions
For, physics in-class experiment device is very necessary.And in existing physics teaching, just lack such physics with hall reality
Experiment device is imparted knowledge to students or oneself makes some nonstandard self-control physical teaching aids or teacher fully relies on book knowledge
To help student to understand, ideal effect is all not achieved in physical knowledge, the either reliability of teaching aid and actual teaching purpose
Fruit.
Invention content
The technical problem to be solved in the present invention is to provide a kind of physics teaching teaching aid, can solve to be deposited in the prior art
The above problem.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of physics teaching teaching aid, including pedestal and transverse slat, the centre position on affiliated pedestal top are provided with angle scale and consolidate
Fixed board is provided with angle regulator, on the base the angle on the left of the angle scale fixed plate on the base
Resetting apparatus is provided on the right side of scale fixed plate, the angle regulator connects perpendicular to the transverse slat and with the transverse slat
It connecing, the resetting apparatus is connect perpendicular to the transverse slat and with the transverse slat, and angle scale is provided in the angle scale fixed plate,
The angle scale is located at the rear of the transverse slat, and the bottom surface in the centre position of the transverse slat in its longitudinal direction, which is provided with, to be turned
Axis, the shaft is perpendicular to the center location of the angle scale and the central axis of the shaft and the angle scale with always
On line, the shaft top and it is fixed with the pointer vertical with the transverse slat, the transverse slat positioned at the rear end of the transverse slat
There is tripod on top in the end set of its right end, is provided with directive wheel on the tripod, above the transverse slat and is located at institute
The left end for stating tripod is provided with friction plate, and the left part of the friction plate and the left part of the transverse slat are connected by attachment device
It connects and the right part of the friction plate is resisted against the lower end of the tripod, the friction plate is equipped with pouring weight, and the pouring weight exists
Bracing wire is connected on towards the direction of the tripod, one end of the bracing wire connects the pouring weight and the other end is through the guiding
Wheel is connect with tensiometer, and the directive wheel is contour on the top and bracing wire that coordinate with the bracing wire and the junction of the pouring weight.
As restriction, the upper plane of the friction plate is upper friction plate, and the lower plane of the friction plate is lower friction plate, institute
It is different with the friction coefficient of the lower friction plate to state friction plate.
It is limited as another kind, the attachment device includes the friction plate threaded hole being arranged in the left part of the friction plate
With the transverse slat threaded hole and connecting plate in the left part of the transverse slat are set, be respectively arranged on the connecting plate and the institute
Friction plate threaded hole and the corresponding connection screw thread hole of the transverse slat threaded hole are stated, the friction plate connection bolt and the transverse slat connect
Connecting bolt be each passed through the connection screw thread hole, the friction plate threaded hole and the transverse slat threaded hole with by the friction plate and
The transverse slat connection.
As restriction, the angle regulator includes inner thread sleeve and external thread sleeve, the external thread sleeve
Towards threading hole one is provided on the bottom wall of the bottom plate and the external thread sleeve, the periphery of the external thread sleeve is set opening
Have that be provided on screw thread and inside bottom wall can be relative to the adjustment sheet one that external thread sleeve rotates, the adjustment sheet one is towards the bottom
The center of one end of wall is connected with bracing wire, described to be drawstring through the threading hole one and the lagging hinge, the interior spiral shell
The opening of line sleeve is towards being provided with threading hole two, the inner thread sleeve on the bottom wall of the transverse slat and the inner thread sleeve
Internal perisporium be equipped with that be provided on screw thread and inside bottom wall can be relative to the adjustment sheet two that inner thread sleeve rotates, the adjustment sheet
Two are connected with bracing wire towards the center of one end of the bottom wall, and the threading hole two that is drawstring through is cut with scissors with the bottom plate
It connects.
It is limited as another kind, the resetting apparatus is spring.
It is limited as further, four edges of the bottom plate are provided with earth stud.
The present invention is as a result of above-mentioned structure, and compared with prior art, acquired technological progress is：
（1）The present invention can show different bevel angle force resolution situations, while can demonstrate out the variation of friction coefficient
Influence to frictional force promotes learning effect, ensures teaching vivid and interesting.
（2）The present invention is provided with both surface friction plate, and the tow sides friction coefficient of both surface friction plate is different, may be implemented two
The variation of kind friction coefficient, and then the contents of courses such as the principle of demonstration friction and force resolution.
To sum up, the configuration of the present invention is simple disclosure satisfy that physics teaching demand, and can reach good teaching efficiency.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is the overall structure diagram described in the embodiment of the present invention.
In the accompanying drawings：1, bottom plate；2, earth stud；3, angle scale fixed plate；4, angle scale；5, transverse slat；6, shaft；7, refer to
Needle；8, friction plate；9, connecting plate；10, pouring weight；11, bracing wire；12, directive wheel；13, tensiometer；14, spring；15, inner screw sheath
Cylinder；16, adjustment sheet two；17, external thread sleeve；18, tripod；19, adjustment sheet one.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the present invention.Undoubtedly, those skilled in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As shown in Figure 1, physics teaching teaching aid according to the ... of the embodiment of the present invention, including pedestal 1 and transverse slat 5, on affiliated pedestal 1
The centre position in portion is provided with angle scale fixed plate 3, and the left side of the angle scale fixed plate 3 is provided with angle on the pedestal 1
Regulating device is spent, the right side of the angle scale fixed plate 3 is provided with resetting apparatus, the angle regulator on the base
It is connect perpendicular to the transverse slat 5 and with the transverse slat 5, the resetting apparatus is connect perpendicular to the transverse slat with the transverse slat 5, institute
It states and is provided with angle scale 4 in angle scale fixed plate 3, the angle scale 4 is located at the rear of the transverse slat 5, and the transverse slat 5 is grown at it
The bottom surface in the centre position on degree direction is provided with shaft 6, and the shaft 6 is in the angle scale 4 and the shaft 6
The center location of mandrel line and the angle scale 4 on the same line, 6 top of the shaft and the rear side positioned at the transverse slat 5
End is fixed with the pointer 7 vertical with the transverse slat 5, and there are tripod 18, institute in 5 top of the transverse slat in the end set of its right end
It states and is provided with directive wheel 12 on tripod 18, friction plate is provided with above the transverse slat 5 and positioned at the left end of the tripod 18
8, the left part of the friction plate 8 is connect by attachment device with the left part of the transverse slat 5 and the right part of the friction plate 8
It is resisted against the lower end of the tripod 18, the friction plate 8 is equipped with pouring weight 10, and the pouring weight 10 is towards the tripod 18
Direction on be connected with bracing wire 11, one end of the bracing wire 11 connect the pouring weight 10 and the other end through the directive wheel 12 with draw
Power meter 13 connects, and the directive wheel 12 is contour on the top and bracing wire that coordinate with the bracing wire 11 and the junction of the pouring weight.
In the present invention, the left side between pedestal 1 and transverse slat 5 is arranged in angle regulator, and resetting apparatus is arranged the bottom of at
Right side between seat 1 and transverse slat 5, angle scale fixed plate 3 are fixed on bottom plate 1, and angle scale fixed plate 3 is used for fixed angles scale
4, while 4 top of angle scale is provided with graduation mark, the right part of transverse slat 5 is provided with tripod 18, is provided with and leads on tripod 18
To wheel 12, the left end that the top of transverse slat 5 is located at tripod 18 is provided with friction plate 8, and friction plate 8 is equipped with pouring weight 10, on pouring weight 10
It is connected with bracing wire 11, the other end of bracing wire 11 connect through directive wheel 12 with tensiometer 13, while transverse slat 5 is in its longitudinal direction
The bottom surface in centre position is provided with shaft 6, and shaft 6 is perpendicular to angle scale 4, and the center of circle of the central axis of shaft 6 and angle scale 4
Position on the same line, in this way, making the angle of inclination of transverse slat 5 change by adjusting angle regulator, is mounted on and turns
With transverse slat 5 synchronous angle change occurs for pointer 7 on axis 6, is pivoted about with the center of circle of angle scale 4, in turn
It indicates the angle of inclination of transverse slat 5, and then force resolution experiment is demonstrated, after the completion of experiment, by reversely adjusting angle scale
Regulating device makes transverse slat 5 restore to horizontality under the action of resetting apparatus.In this way, integral arrangement of the present invention is closed
Force resolution situation when managing, is compact, and can intuitively demonstrate different angle.
Further, as shown, the upper plane of the friction plate 8 is upper friction plate, the lower plane of the friction plate 8 is
The friction coefficient of lower friction plate, the upper friction plate and the lower friction plate is different.
Further, the attachment device include be arranged the left part of the friction plate 8 friction plate threaded hole and set
The transverse slat threaded hole and connecting plate 9 in the left part of the transverse slat 5 are set, is respectively arranged on the connecting plate 9 and the institute
Friction plate threaded hole and the corresponding connection screw thread hole of the transverse slat threaded hole are stated, the friction plate connection bolt and the transverse slat connect
Connecting bolt is each passed through the connection screw thread hole, the friction plate threaded hole and the transverse slat threaded hole with by the friction plate 8
It is connected with the transverse slat 5.
The present invention can simultaneously demonstrate frictional force experiment, due to the upper friction plate of friction plate 8 and rubbing for lower friction plate
It is different to wipe coefficient, when carrying out frictional force experiment, by dismantling connection plate 9 to change differentiated friction face and the pouring weight of friction plate 8
10 contacts, may be implemented the variation of two kinds of friction coefficient, and then the content of courses of the principle of demonstration friction.In this way, due to rubbing
The General design of wiping board 8, maximization reduce manufacturing cost, while assembling, demonstrating conveniently, and operability is strong.
Further, the angle regulator includes inner thread sleeve 15 and external thread sleeve 17, the external thread sleeve
The opening of cylinder 17 is towards being provided with threading hole one, the external thread sleeve on the bottom wall of the bottom plate 1 and the external thread sleeve 17
The periphery of cylinder 17 is equipped on screw thread and inside bottom wall and is provided with the adjustment sheet 1 that can be rotated relative to external thread sleeve 17, the tune
The center of nodal plate 1 towards one end of the bottom wall is connected with bracing wire, it is described be drawstring through the threading hole one with it is described
Transverse slat 5 is hinged, and the opening of the inner thread sleeve 15 is towards being provided on the bottom wall of the transverse slat 5 and the inner thread sleeve 15
Threading hole two, the internal perisporium of the inner thread sleeve 15 are equipped with that be provided on screw thread and inside bottom wall can be with respect to inner thread sleeve
The adjustment sheet 2 16 of 15 rotations, the center of the adjustment sheet 2 16 towards one end of the bottom wall is connected with bracing wire, described
It is hinged with the bottom plate 1 to be drawstring through the threading hole two.
In an embodiment of the present invention, the internal perisporium of inner thread sleeve 15 is equipped with screw thread, inside bottom rotation setting
There are adjustment sheet 2 16, adjustment sheet 2 16 to be hinged with bottom plate 1 by the threading hole two across 15 bottom of inner thread sleeve, articulated position
Can be with flexible rotating, while adjustment sheet 2 16 can rotate in inner thread sleeve.The periphery of external thread sleeve 17 be equipped with it is interior
The screw thread that screw shell 15 coordinates, inside bottom rotation are provided with adjustment sheet 1, and adjustment sheet 1 is by passing through external screw thread
The threading hole one of 17 bottom of sleeve is hinged with transverse slat 5, and articulated position can be with flexible rotating, while adjustment sheet 1 can be in interior spiral shell
Rotation in line sleeve 15.
In this way, inner thread sleeve 15 is threadedly coupled with external thread sleeve 17, by rotating two barrels, realization is threadedly engaged
The variation of depth makes the left side of transverse slat 5 move down, and then changes the angle of inclination of transverse slat 5 and friction plate 8.Terminate in experiment
When continue through two barrels of rotation, while realizing good reset under the action of resetting apparatus, realize automation demonstration, improve interest
Taste.In the present invention, the adjustment sheet that can be rotated relative to internal and external screw thread sleeve by setting, after largely ensure that adjustment
The stability of bottom plate 1 and 5 relative position of transverse slat makes the two not will produce interaction force.
Further, the resetting apparatus is spring 14.
Preferably, four edges of the bottom plate 1 are provided with earth stud 2.
The foregoing is merely the schematical specific implementation modes of the present invention, are not limited to the scope of the present invention.It is any
Those skilled in the art, the equivalent variations made under the premise of not departing from design and the principle of the present invention and modification,
The scope of protection of the invention should be belonged to.
Claims (6)
1. a kind of physics teaching teaching aid, it is characterised in that：Including pedestal (1) and transverse slat (5), the centre on pedestal (1) top
Position is provided with angle scale fixed plate (3), and the left side setting of the angle scale fixed plate (3) is angled on the pedestal (1)
Regulating device is provided with resetting apparatus, the angle regulator on the right side of the angle scale fixed plate (3) on the base
Connect perpendicular to the transverse slat (5) and with the transverse slat (5), the resetting apparatus perpendicular to the transverse slat and with the transverse slat
(5) it connects, the angle scale fixed plate（3）On be provided with angle scale（4）, the angle scale（4）Positioned at the transverse slat（5）After
Side, the transverse slat（5）The bottom surface in centre position in its longitudinal direction is provided with shaft（6）, the shaft（6）Perpendicular to institute
State angle scale（4）And the shaft（6）Central axis and the angle scale（4）Center location on the same line, it is described
Shaft（6）Top and be located at the transverse slat（5）Rear end be fixed with and the transverse slat（5）Vertical pointer（7）, the cross
Plate（5）There is tripod on top in the end set of its right end（18）, the tripod（18）On be provided with directive wheel（12）, described
Transverse slat（5）Top and be located at the tripod（18）Left end be provided with friction plate（8）, the friction plate（8）Left part with
The transverse slat（5）Left part pass through attachment device connection and the friction plate（8）Right part be resisted against the tripod
（18）Lower end, the friction plate（8）It is equipped with pouring weight（10）, the pouring weight（10）Towards the tripod（18）Direction
On be connected with bracing wire（11）, the bracing wire（11）One end connect the pouring weight（10）And the other end is through the directive wheel（12）With
Tensiometer（13）Connection, the directive wheel（12）With the bracing wire（11）The connection on the top of cooperation and bracing wire and the pouring weight
Locate contour.
2. physics teaching teaching aid according to claim 1, it is characterised in that：The friction plate（8）Upper plane be above rub
Wiping board, the friction plate（8）Lower plane be lower friction plate, the friction coefficient of the upper friction plate and the lower friction plate is not
Together.
3. physics teaching teaching aid according to claim 2, it is characterised in that：The attachment device includes that setting rubs described
Wiping board（8）Left part friction plate threaded hole and be arranged in the transverse slat（5）Left part transverse slat threaded hole and connection
Plate（9）, the connecting plate（9）On be respectively arranged with connection spiral shell corresponding with the friction plate threaded hole and the transverse slat threaded hole
Pit, friction plate connection bolt connect bolt with transverse slat and are each passed through the connection screw thread hole, the friction plate threaded hole and institute
Transverse slat threaded hole is stated with by the friction plate（8）With the transverse slat（5）Connection.
4. physics teaching teaching aid according to claim 1, it is characterised in that：The angle regulator includes inner screw sheath
Cylinder（15）And external thread sleeve（17）, the external thread sleeve（17）Opening towards the pedestal（1）And the external thread sleeve
Cylinder（17）Bottom wall on be provided with threading hole one, the external thread sleeve（17）Periphery be equipped on screw thread and inside bottom wall and be arranged
Having can be with respect to external thread sleeve（17）The adjustment sheet one of rotation（19）, the adjustment sheet one（19）Towards one end of the bottom wall
Center is connected with bracing wire, described to be drawstring through the threading hole one and the transverse slat（5）It is hinged, the inner thread sleeve
（15）Opening towards the transverse slat（5）And the inner thread sleeve（15）Bottom wall on be provided with threading hole two, the interior spiral shell
Line sleeve（15）Internal perisporium be equipped with that be provided on screw thread and inside bottom wall can be with respect to inner thread sleeve（15）The adjusting of rotation
Piece two（16）, the adjustment sheet two（16）It is connected with bracing wire towards the center of one end of the bottom wall, it is described to be drawstring through
The threading hole two and the pedestal（1）It is hinged.
5. physics teaching teaching aid according to claim 1, it is characterised in that：The resetting apparatus is spring（14）.
6. physics teaching teaching aid according to claim 4, it is characterised in that：The pedestal（1）Four edges setting
There is earth stud（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611850.4A CN106023736B (en) | 2016-07-30 | 2016-07-30 | Physics teaching teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611850.4A CN106023736B (en) | 2016-07-30 | 2016-07-30 | Physics teaching teaching aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106023736A CN106023736A (en) | 2016-10-12 |
| CN106023736B true CN106023736B (en) | 2018-10-12 |
Family
ID=57115663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610611850.4A Expired - Fee Related CN106023736B (en) | 2016-07-30 | 2016-07-30 | Physics teaching teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106023736B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425356A (en) * | 2019-07-16 | 2019-11-08 | 上海一建安装工程有限公司 | A kind of installation method of feedwater piping and its pipeline |
| CN112002193A (en) * | 2020-09-15 | 2020-11-27 | 张恩赫 | Student is with physics experiment frictional force testing arrangement |
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| Publication number | Publication date |
|---|---|
| CN106023736A (en) | 2016-10-12 |
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