CN208335559U - A kind of senior middle school physics teaching demonstration equipment - Google Patents
A kind of senior middle school physics teaching demonstration equipment Download PDFInfo
- Publication number
- CN208335559U CN208335559U CN201721570718.XU CN201721570718U CN208335559U CN 208335559 U CN208335559 U CN 208335559U CN 201721570718 U CN201721570718 U CN 201721570718U CN 208335559 U CN208335559 U CN 208335559U
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- face
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- experiment face
- pedestal
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Abstract
The utility model discloses a kind of senior middle school physics teaching demonstration equipments, including pedestal；The base upper surface is fixed, and there are two pedestals；Hinged shaft is provided between the pedestal；The first experiment face and the second experiment face are provided on the right side of the hinged shaft；The left end in the first experiment face and the second experiment face is respectively provided with axle sleeve；The axle sleeve covers the two sides at both ends in hinged shaft, vertical ruler；The upper end of the vertical ruler is fixed as one with bevel protractor；Center line is provided in the middle part of the first experiment face and the side in the second experiment face；The upper surface middle part in the first experiment face is set as frosting, and the upper surface middle part in the second experiment face is set as shiny surface；The right end in the first experiment face and the second experiment face is movably set with acceleration platform；Acceleration cylinder is fixed on the acceleration platform；Acceleration spring is installed inside the acceleration cylinder；The utility model data record is convenient, and vdiverse in function, easy to use, is suitble to promote and apply.
Description
Technical field
The utility model and a kind of teaching aid, specifically a kind of senior middle school physics teaching demonstration equipment.
Background technique
Physics occupies an important position as the main subject in natural sciences, it is an experimental subject, passes through proposition
Guess and theory, are verified and are determined theoretical correctness in a manner of experiment, and experiment can help student preferably to grasp physics
Knowledge, the intuitive meaning for showing theorem, also can help student to better understand and remember；In physics, many physics are public
Formula is dry as dust, and is not easy to remember, and student gets up even more to lose interest in study.Teaching aid is as a kind of model, Yi Zhonggong
Tool, can be very good the interest for having adjusted student's learning physics knowledge.
Usually need to carry out frictional force experiment, acceleration test, conservation of mechanical energy experiment etc. in high school physics, and it is existing
Experiment teaching aid function is more single, it usually needs a variety of teaching aids could be completed, use it is comparatively laborious, not only give teacher work
Make bring inconvenience, and increases use cost.
Utility model content
The purpose of this utility model is to provide a kind of senior middle school physics teaching demonstration equipments, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of senior middle school physics teaching demonstration equipment, including pedestal；It is fixed on the left of the base upper surface by fastening screw
There are two pedestals；Hinged shaft is provided between the pedestal；The first experiment face and the second experiment face are provided on the right side of the hinged shaft；Institute
The left end for stating the first experiment face and the second experiment face is respectively provided with axle sleeve；The axle sleeve covers the two sides at both ends in hinged shaft, vertical ruler；
The vertical ruler vertical feet setting, graduation mark is carved on surface；The upper end of vertical ruler is fixed as one with bevel protractor, and the two is equal
It is made of transparent plastic；Described bevel protractor one end is fixed on vertical ruler, and the other end is fixed on the surface of pedestal；First experiment
Center line is provided in the middle part of face and the side in the second experiment face；The upper surface middle part in the first experiment face is set as frosting, the
The upper surface middle part in two experiment faces is set as shiny surface；The right end in the first experiment face and the second experiment face is movably set with acceleration
Platform；The acceleration platform is movably arranged on the first experiment face or the second experiment face by fixed block and knob bolt；The fixation
Block is arranged two groups, and one group is fixed as one with platform is accelerated, and another group is fixed as one with cylinder is accelerated；The acceleration cylinder passes through fastening
Screw and fixed block are mounted on the upper surface for accelerating platform, and acceleration spring is equipped with inside it；Described acceleration spring one end is fixed
On accelerating cylinder right end inner wall, the other end is fixed together with head is accelerated；The side for accelerating head to be located at sliding block.
As a further solution of the present invention: the base lower surface is provided with supporting leg；The supporting leg setting
There are four, the lower surface four corners of pedestal are mounted on by fastening screw respectively, and the lower end of supporting leg is equipped with universal wheel；Institute
The side for stating universal wheel is provided with braking vane.
As a further solution of the present invention: the base upper surface edge is provided with enclosing；The enclosing is logical
Fastening screw is crossed to fix.
As a further solution of the present invention: the first experiment face is with the second experiment face close to the side of bevel protractor
Face right end is provided with slide head, and bevel protractor both side surface offers sliding slot；The slide head is slidably connected in sliding slot.
As a further solution of the present invention: the coefficient of friction of the shiny surface is less than the coefficient of friction of frosting；
Knob bolt end coefficient of friction is larger.
As a further solution of the present invention: the left end of the right end for accelerating head and pull rod is fixed together；Institute
It states pull rod setting accelerating inside cylinder, and its right end passes through and the right side wall of cylinder is accelerated to be fixed as one with pull ring.
The acceleration cylinder side is provided with horizontal ruler as a further solution of the present invention,；The horizontal ruler is logical
It crosses fastening screw and is mounted on the upper surface for accelerating platform.
Compared with prior art, the utility model has the beneficial effects that
The utility model mainly includes the components such as pedestal, experiment face, measurer and accelerator, simple and reasonable, tool
There is realization to be easy, the low feature of production cost；It, can be in addition, the inclined-plane in the present apparatus is provided with shiny surface and two kinds of frosting
User is facilitated to carry out frictional experiment；And the addition of accelerator can carry out acceleration test；Moreover, the present apparatus can be by
Accurate regulation experiment face tilt angle is needed, to carry out diversified accurate experiment；In summary, the utility model has relatively strong
Practicability, multifunctionality and easy ease for use, there is high application value.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of senior middle school physics teaching demonstration equipment.
Fig. 2 is a kind of structural schematic diagram of top view in senior middle school physics teaching demonstration equipment.
Fig. 3 is a kind of structural schematic diagram of accelerator in senior middle school physics teaching demonstration equipment.
Fig. 4 is a kind of structural schematic diagram in the second experiment face in senior middle school physics teaching demonstration equipment.
In figure: 1- universal wheel, 2- supporting leg, 3- pedestal, 4- enclosing, 5- pedestal, the vertical ruler of 6-, 7- graduation mark, 8- angle
Ruler, 9- first test face, 10- sliding slot, 11- center line, 12- hinged shaft, 13- braking vane, 14- shiny surface, 15- frosting, 16- axis
Set, 17- accelerate platform, and 18- accelerates cylinder, 19- fastening screw, 20- acceleration spring, 21- pull ring, 22- pull rod, 23- fixed block, 24-
Knob bolt, 25- horizontal ruler, 26- accelerate head, 27- sliding block, 28- slide head, the experiment of 29- second face.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Please refer to Fig. 1-4, a kind of senior middle school physics teaching demonstration equipment, including pedestal 3；3 lower surface of pedestal is provided with
Supporting leg 2；There are four the settings of supporting leg 2, is mounted on the lower surface four corners of pedestal 3 by fastening screw 19 respectively, and
The lower end of supporting leg 2 is equipped with universal wheel 1, in order to mobile whole device；The side of the universal wheel 1 is provided with braking vane
13, by the firm placement of the present apparatus when being tested in order to user；Enclosing 4 is provided at 3 top surface edge of pedestal；The enclosing 4
It is fixed by fastening screw 19, it can prevent experiment equipment from sliding, losing from pedestal 3；Pass through fastening spiral shell on the left of 3 upper surface of pedestal
Nail 19 is fixed, and there are two pedestals 5；Hinged shaft 12 is provided between the pedestal 5；The first experiment face 9 is provided on the right side of the hinged shaft 12
With the second experiment face 29；The left end in the first experiment face 9 and the second experiment face 29 is respectively provided with axle sleeve 16；16 sets of the axle sleeve exists
The both ends of hinged shaft 12, vertical ruler 6 two sides, thus facilitate the first experiment face 9 and the second experiment face 29 with hinged shaft 12 be the center of circle on
Lower rotation adjusts the angle；Graduation mark 7 is carved on 6 vertical feet 3 of the vertical ruler setting, surface, so as to the first experiment of user's observation
The vertical height in face 9 or the second experiment face 29；The upper end of vertical ruler 6 is fixed as one with bevel protractor 8, and the two is by transparent modeling
Material is made, so as to user's observation experiment data；Described 8 one end of bevel protractor is fixed on vertical ruler 6, and the other end is fixed on pedestal 3
Surface on, so as to user measurement first experiment face 9 and second experiment face 29 tilt angle；First experiment face 9 and second is in fact
It tests in the middle part of the side in face 29 and is provided with center line 11, to agree with the graduation mark 7 on bevel protractor 8, facilitate user's view angle
Degree evidence；And first experiment face 9 and the second experiment face 29 the one side right end of bevel protractor 8 is provided with slide head 28, angle
8 both side surface of ruler offers sliding slot 10；The slide head 28 is slidably connected in sliding slot 10, so as to the first experiment face 9 or the second
Experiment face 29 adjusts tilt angle；The upper surface middle part in the first experiment face 9 is set as frosting 15, the upper table in the second experiment face 29
Middle face is set as shiny surface 14；The coefficient of friction of the shiny surface 14 be less than frosting 15 coefficient of friction, so as to user into
Row frictional experiment；The right end in the first experiment face 9 and the second experiment face 29, which is movably set with, accelerates platform 17；The acceleration platform 17 is logical
It crosses fixed block 23 and knob bolt 24 is movably arranged on the first experiment face 9 or the second experiment face 29, so that user does acceleration
Experiment；The 24 end coefficient of friction of knob bolt is larger, user can be facilitated to screw manually, to accelerate platform 17 on demand at any time
Installation or removal；The fixed block 23 is arranged two groups, and one group is fixed as one with platform 17 is accelerated, and another group is fixed with cylinder 18 is accelerated
It is integrated；It is described that cylinder 18 is accelerated to be mounted on the upper surface for accelerating platform 17, and its internal peace by fastening screw 19 and fixed block 23
Equipped with acceleration spring 20；Described 20 one end of acceleration spring, which is fixed on, to be accelerated on 18 right end inner wall of cylinder, and the other end and acceleration head 26 are solid
It is scheduled on together；The side for accelerating head 26 to be located at sliding block 27, can impact sliding block 27, under the action of elastic force to add for it
Speed；And the left end of the right end and pull rod 22 of head 26 is accelerated to be fixed together；The setting of pull rod 22 is accelerating inside cylinder 18, and its
Right end, which passes through, accelerates the right side wall of cylinder 18 to be fixed as one with pull ring 21, so that 20 boil down to of acceleration spring is accelerated head 26 by user
Power is provided；18 side of cylinder is accelerated to be provided with horizontal ruler 25；The horizontal ruler 25 is mounted on by fastening screw 19 accelerates platform 17
Upper surface, so as to user observe acceleration spring 20 compress length.
The working principle of the utility model is: user passes through universal wheel 1 first is moved to suitable position for the present apparatus, and
Device is consolidated using braking vane 13 and is placed；When user needs to do frictional force experiment, first with bevel protractor 8, center
Line 11 and hinged shaft 12 are consistent with the second experiment tilt angle adjustment in face 29 by the first experiment face 9, then place sliding block 27
To observe under different coefficients of friction, which side sliding block 27 is first slid to bottom for the top for testing face to two；When user needs
When doing acceleration test, platform 17 can will be accelerated to install by knob bolt 24, and utilize pull rod 22 and pull ring 21 by acceleration spring
Then sliding block 27 is filled in and accelerates to be allowed in cylinder 18 to contact with head 26 is accelerated by 20 compressions, then discharging pull ring 21 makes acceleration spring
20 reset, so that sliding block 27 be popped up, user records the length that acceleration spring 20 compresses by horizontal ruler 25, to verify difference
The case where active force sliding block 27 moves.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (7)
1. a kind of senior middle school physics teaching demonstration equipment, including pedestal (3)；It is characterized in that, logical on the left of pedestal (3) upper surface
Crossing fastening screw (19) fixation, there are two pedestal (5)；Hinged shaft (12) are provided between the pedestal (5)；The hinged shaft (12) is right
Side is provided with the first experiment face (9) and the second experiment face (29)；The left end of first experiment face (9) and the second experiment face (29)
It is respectively provided with axle sleeve (16)；The axle sleeve (16) covers the two sides at both ends in hinged shaft (12), vertical ruler (6)；The vertical ruler (6) is hung down
Straight pedestal (3) setting, graduation mark (7) are carved on surface；The upper end of vertical ruler (6) is fixed as one with bevel protractor (8), and the two is equal
It is made of transparent plastic；Described bevel protractor (8) one end is fixed on vertical ruler (6), and the other end is fixed on the surface of pedestal (3)
On；Center line (11) are provided in the middle part of first experiment face (9) and the side of the second experiment face (29)；First experiment face (9)
Upper surface middle part is set as frosting (15), and the upper surface middle part of the second experiment face (29) is set as shiny surface (14)；First is real
The right end for testing face (9) and the second experiment face (29) is movably set with acceleration platform (17)；The acceleration platform (17) passes through fixed block
(23) it is movably arranged in the first experiment face (9) or the second experiment face (29) with knob bolt (24)；The fixed block (23) sets
Two groups are set, one group is fixed as one with platform (17) are accelerated, and another group is fixed as one with cylinder (18) are accelerated；The acceleration cylinder (18)
It is mounted on the upper surface for accelerating platform (17) by fastening screw (19) and fixed block (23), and acceleration spring is installed inside it
(20)；Described acceleration spring (20) one end, which is fixed on, to be accelerated on cylinder (18) right end inner wall, and the other end is fixed on head (26) are accelerated
Together；The side for accelerating head (26) to be located at sliding block (27).
2. a kind of senior middle school physics teaching demonstration equipment according to claim 1, which is characterized in that pedestal (3) following table
Face is provided with supporting leg (2)；There are four supporting leg (2) settings, is mounted on pedestal (3) by fastening screw (19) respectively
Lower surface four corners, and the lower end of supporting leg (2) is equipped with universal wheel (1)；The side of the universal wheel (1) is provided with braking vane
(13)。
3. a kind of senior middle school physics teaching demonstration equipment according to claim 1, which is characterized in that table on the pedestal (3)
Face edge is provided with enclosing (4)；The enclosing (4) is fixed by fastening screw (19).
4. a kind of senior middle school physics teaching demonstration equipment according to claim 1, which is characterized in that first experiment face
(9) the one side right end with the second experiment face (29) close to bevel protractor (8) is provided with slide head (28), bevel protractor (8) two sides table
Face offers sliding slot (10)；The slide head (28) is slidably connected in sliding slot (10).
5. a kind of senior middle school physics teaching demonstration equipment according to claim 1, which is characterized in that the shiny surface (14)
Coefficient of friction be less than frosting (15) coefficient of friction.
6. a kind of senior middle school physics teaching demonstration equipment according to claim 1, which is characterized in that acceleration head (26)
Right end and the left end of pull rod (22) are fixed together；Pull rod (22) setting is accelerating cylinder (18) inside, and its right end passes through
The right side wall of cylinder (18) is accelerated to be fixed as one with pull ring (21).
7. a kind of senior middle school physics teaching demonstration equipment according to claim 1, which is characterized in that the acceleration cylinder (18) one
Side is provided with horizontal ruler (25)；The horizontal ruler (25) is mounted on the upper surface for accelerating platform (17) by fastening screw (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570718.XU CN208335559U (en) | 2017-11-22 | 2017-11-22 | A kind of senior middle school physics teaching demonstration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721570718.XU CN208335559U (en) | 2017-11-22 | 2017-11-22 | A kind of senior middle school physics teaching demonstration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335559U true CN208335559U (en) | 2019-01-04 |
Family
ID=64788048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721570718.XU Expired - Fee Related CN208335559U (en) | 2017-11-22 | 2017-11-22 | A kind of senior middle school physics teaching demonstration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208335559U (en) |
-
2017
- 2017-11-22 CN CN201721570718.XU patent/CN208335559U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190104 Termination date: 20191122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |