CN208384871U - A kind of Physical Experiment apparatus for demonstrating - Google Patents
A kind of Physical Experiment apparatus for demonstrating Download PDFInfo
- Publication number
- CN208384871U CN208384871U CN201820146930.1U CN201820146930U CN208384871U CN 208384871 U CN208384871 U CN 208384871U CN 201820146930 U CN201820146930 U CN 201820146930U CN 208384871 U CN208384871 U CN 208384871U
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- CN
- China
- Prior art keywords
- trolley
- smooth
- pulley
- long plank
- physical experiment
- 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.)
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Abstract
The utility model discloses a kind of Physical Experiment apparatus for demonstrating, including smooth long plank, dotted timer, trolley and pulley, dotted timer is fixedly installed on the smooth long plank left end, the dotted timer is equipped with fixed frame, the dotted timer is equipped with paper tape, the paper tape right end passes through fixed frame and connect with trolley, the trolley upper horizontal is provided with dynamometer, hook on the right side of the dynamometer is connected with cord, the bottom end of the cord connect around pulley with scale pan, the pulley is mounted on pulley yoke by central axis rotation, the pulley yoke is mounted on the right end of smooth long plank, the utility model product, structure is simple, it is practical, it is highly-safe, effect is good and high-efficient, conducive to popularization.
Description
Technical field
The utility model relates to physics facility field, specially a kind of Physical Experiment apparatus for demonstrating.
Background technique
In the development process of the mankind, physics is a subject closely bound up with the production and living of people, each time
Progress the development of the mankind is all greatly facilitated, pushed the raising of human sciences' technology and quality of life, physics is as one
Door basic subject is an essential subject in modern teaching.Physics teaching is existed due to its particularity, many theorem laws
In teaching process, need intuitively to be showed by experimental demonstration.It is fixed in demonstration kinetic energy in current physical and mechanical experiment
It manages experiment and kinetic energy size and generally requires different experimental provisions from mass of object and the experiment of the relationship of speed etc., demonstrating
Different experimental provisions is needed replacing during different experiments, integration is poor, experiment inconvenient to use while large number of
Device occupies a large amount of lab space.
Utility model content
The purpose of this utility model is to provide a kind of Physical Experiment apparatus for demonstrating, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Physical Experiment apparatus for demonstrating, including smooth long plank, dotted timer, trolley and pulley, the smooth length
Dotted timer is fixedly installed on plank left end, the dotted timer is equipped with fixed frame, sets on the dotted timer
There is paper tape, the paper tape right end passes through fixed frame and connect with trolley, and the trolley upper horizontal is provided with dynamometer, the dynamometry
The hook on meter right side is connected with cord, and the bottom end of the cord connect around pulley with scale pan, and the pulley passes through central axis
It is rotatably installed on pulley yoke, the pulley yoke is mounted on the right end of smooth long plank.
Preferably, the smooth guide to take the air line for trolley is provided on the smooth long plank.
Preferably, the dynamometer is fixedly mounted on trolley by fixation adhesive tape, is provided with pull ring on the trolley.
Preferably, the rubber baffle for preventing trolley from hitting and sliding is provided on the smooth long plank.
Preferably, smooth slot and sliding ruler, the sliding ruler are provided on outer surface on front side of the smooth long plank
Lower end is equipped with sliding block, and the sliding ruler is slidably connected on smooth slot by sliding block.
Preferably, it is fixedly connected between the pulley yoke and smooth long plank by slack adjuster.
Compared with prior art, the utility model has the beneficial effects that this physics facility probes into kinetic energy for demonstrating
Theorem experiment, the apparatus structure is simple, is easily assembled to, and integration is good, small in size easy to use, is mounted on front side of smooth long plank
The sliding ruler on surface can effectively adjust cord both ends in same level, go to survey with manual ruler without complicated
And be inconvenient to adjust, the soft baffle of the rubber of installation, it can prevent trolley from directly hitting pulley and damage, effectively extending it makes
With the service life, cost is saved, the utility model product, of simple structure and strong practicability is highly-safe, and effect is good and high-efficient, is conducive to
It promotes.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of Physical Experiment apparatus for demonstrating；
Fig. 2 is a kind of structural schematic diagram of Physical Experiment apparatus for demonstrating.
In figure: the smooth long plank of 1-, 2- paper tape, 3- dotted timer, 4- fixed frame, 5- pull ring, 6- adhesive tape, 7- dynamometry
Meter, 8- drag hook, 9- cord, 10- slide ruler, 11- sliding slot, 12- guide rail, 13- sliding block, 14- rubber baffle, 15- pulley branch
Frame, 16- pulley, 17- slack adjuster, 18- counterweight, 19- scale pan, 20- trolley.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1~2 are please referred to, the utility model provides a kind of technical solution: a kind of Physical Experiment apparatus for demonstrating, including it is smooth
Long plank 1, dotted timer 3, trolley 20 and pulley 16 are fixedly installed with dotted timer on smooth long 1 left end of plank
3, the dotted timer 3 is equipped with fixed frame 4, and the dotted timer 3 is equipped with paper tape 2, and 2 right end of paper tape passes through
Fixed frame 4 is connect with trolley 20, and 20 upper horizontal of trolley is provided with dynamometer 7, and the hook 8 on 7 right side of dynamometer connects
It is connected to cord 9, the bottom end of the cord 9 connect around pulley 16 with scale pan 19, and the pulley 16 is pacified by central axis rotation
On pulley yoke 15, the pulley yoke 15 is mounted on the right end of smooth long plank 1.
Wherein, the smooth guide 12 to take the air line for trolley 20 is provided on the smooth long plank 1；The dynamometer 7
It is fixedly mounted on trolley 20 by fixation adhesive tape 6；Pull ring 5 is provided on the trolley 20；It is arranged on the smooth long plank 1
There is the rubber baffle 14 for preventing trolley 20 from hitting and sliding；Smooth slot 11 is provided on the smooth long 1 front side outer surface of plank
With sliding ruler 10,10 lower end of sliding ruler is equipped with sliding block 13, and the sliding ruler 10 is slidably connected at by sliding block 13
On smooth slot 11；It is fixedly connected between the pulley yoke 15 and smooth long plank 1 by slack adjuster；
The working principle of the utility model is: adjusting cord both ends same by mobile sliding ruler in an assembling process
On one horizontal plane, guarantee direction of pull and moving of car direction in the same direction, the smooth guide below trolley, Neng Gouyou
The direction of motion of the guarantee trolley of effect in the same direction, after installing all devices, puts counterweight always in scale pan,
The pull ring on trolley is held, makes its static, discharges trolley after then first opening dotted timer, trolley closes after knocking rubber baffle
Dotted timer is closed, trolley is picked up and removes the paper tape after getting ready, then new paper tape and different weight are changed in above operation
Counterweight carries out many experiments.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of Physical Experiment apparatus for demonstrating, including smooth long plank (1), dotted timer (3), trolley (20) and pulley
(16), it is characterised in that: be fixedly installed with dotted timer (3), the dotted timer on smooth long plank (1) left end
(3) fixed frame (4) are equipped with, the dotted timer (3) is equipped with paper tape (2), and paper tape (2) right end passes through fixed frame
(4) it is connect with trolley (20), trolley (20) upper horizontal is provided with dynamometer (7), the hook on the right side of the dynamometer (7)
(8) it is connected with cord (9), the bottom end of the cord (9) connect around pulley (16) with scale pan (19), and the pulley (16) is logical
It crosses central axis rotation to be mounted on pulley yoke (15), the pulley yoke (15) is mounted on the right end of smooth long plank (1).
2. a kind of Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that: on the smooth long plank (1)
It is provided with the smooth guide (12) to take the air line for trolley (20).
3. a kind of Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that: the dynamometer (7) passes through solid
Determine adhesive tape (6) to be fixedly mounted on trolley (20), is provided with pull ring (5) on the trolley (20).
4. a kind of Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that: on the smooth long plank (1)
It is provided with the rubber baffle (14) for preventing trolley (20) from hitting and sliding.
5. a kind of Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that: before the smooth long plank (1)
Smooth slot (11) and sliding ruler (10) are provided on side external surface, the sliding ruler (10) lower end is equipped with sliding block (13), institute
Sliding ruler (10) is stated to be slidably connected on smooth slot (11) by sliding block (13).
6. a kind of Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that: the pulley yoke (15) with it is smooth
It is fixedly connected between long plank (1) by slack adjuster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146930.1U CN208384871U (en) | 2018-01-29 | 2018-01-29 | A kind of Physical Experiment apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146930.1U CN208384871U (en) | 2018-01-29 | 2018-01-29 | A kind of Physical Experiment apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384871U true CN208384871U (en) | 2019-01-15 |
Family
ID=64979411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820146930.1U Expired - Fee Related CN208384871U (en) | 2018-01-29 | 2018-01-29 | A kind of Physical Experiment apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384871U (en) |
-
2018
- 2018-01-29 CN CN201820146930.1U patent/CN208384871U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20200129 |