CN109712487A - A kind of student's high school physics free fall experimental device - Google Patents
A kind of student's high school physics free fall experimental device Download PDFInfo
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- CN109712487A CN109712487A CN201811343296.1A CN201811343296A CN109712487A CN 109712487 A CN109712487 A CN 109712487A CN 201811343296 A CN201811343296 A CN 201811343296A CN 109712487 A CN109712487 A CN 109712487A
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Abstract
The present invention relates to the technical fields of teaching experiment auxiliary attachment, more particularly to a kind of student high school physics free fall experimental device；It is more convenient to operate, and using effect is stronger, and using effect is preferable, and practicability is higher；Also, facilitates the experiment equipment taken out in working chamber, offer convenience to user, to improve its use reliability；Including main body, transparent panel and fixed plate, it is provided with working chamber in main body, peep hole is provided in main body, transparent panel is mounted on peep hole；Retraction rack is provided on the side wall of working chamber, it further include threaded rod, screwed pipe, servo motor, chain, first sensor, second sensor and timer, the left end of threaded rod is connect with fixed plate, chain is set in drive sprocket and by movable sprocket, and timer is electrically connected with first sensor and second sensor；It further include two groups of sliding rails and recycling plate, two groups of sliding rails are respectively arranged with two groups of sliding slots, recycle plate left end and right end is respectively arranged with two groups of slide plates.
Description
Technical field
The present invention relates to the technical fields of teaching experiment auxiliary attachment, more particularly to a kind of student's high school physics
Free fall experimental device.
Background technique
It is well known that student is a kind of for carrying out newton in physics teaching with high school physics free fall experimental device
Experiment with falling objects, with the device for facilitating student to understand and remember relevant law content, in the neck of tutor auxiliary platform
It is widely used in a variety of applications in domain；Existing student includes main body, transparent panel with high school physics free fall experimental device and consolidates
Fixed board is provided with working chamber in main body, and the top of main body is provided with opening, and is open and communicates with working chamber, the right side of fixed plate
End is connect with working chamber sidewall, peep hole is provided in main body, and the peep hole is communicated with working chamber, the transparent panel peace
On peep hole；Existing student high school physics free fall experimental device is in use, object is placed on by student first
The top of fixed plate, mobile experiment equipment disengages it from the supporting role of fixed plate and carries out free-falling manually, and user is saturating
Cross the experimental conditions in transparent panel observation working chamber；However, existing student high school physics free fall experimental device
It is found in use, operation is more inconvenient, and using effect is poor, and using effect is poor, and practicability is lower；Also, it is inconvenient
The experiment equipment in working chamber is taken out, makes troubles to user, causes its use reliability lower.
Summary of the invention
In order to solve the above technical problems, the present invention provide it is a kind of operation it is more convenient, using effect is stronger, using effect compared with
Good, practicability is higher；Also, facilitates the experiment equipment taken out in working chamber, offer convenience to user, to improve its use
The student of reliability high school physics free fall experimental device.
A kind of student of the invention high school physics free fall experimental device, including main body, transparent panel and fixed plate, it is main
It is provided with working chamber in vivo, the top of main body is provided with opening, and is open and communicates with working chamber, and observation is provided in main body
Hole, and the peep hole is communicated with working chamber, and the transparent panel is mounted on peep hole；Receipts are provided on the side wall of working chamber
Contracting frame is provided with reclaiming chamber in the retraction rack, through-hole is provided on retraction rack, and the through-hole is communicated with reclaiming chamber, also
Right end including threaded rod, screwed pipe, servo motor, chain, first sensor, second sensor and timer, in reclaiming chamber
It is provided with mounting plate, mounting groove is provided on the left side wall of the mounting plate, is fixedly installed ball bearing in the mounting groove,
Screwed pipe lateral wall is connect with the ball bearing inner sidewall, and the left end of threaded rod is connect with the fixed plate, the top of fixed plate
End is provided with limiting slot, and simultaneously spiral shell is filled to inside the screwed pipe left end for the right end insertion of threaded rod, and servo motor is mounted on recycling
Intracavitary, the output end of the servo motor is provided with transmission shaft, be provided on the transmission shaft and screwed pipe drive sprocket and by
Movable sprocket, the chain are set in drive sprocket and on movable sprocket, are provided with fixing groove on the left side wall of working chamber, and first
Sensor is mounted in fixed slot, and lower fixing groove is provided on the side wall of working chamber, and second sensor is mounted on described
In lower fixing groove, timer is mounted on the side wall of main body, and the timer and first sensor and second sensor electricity
Connection；It further include two groups of sliding rails and recycling plate, two groups of sliding rails are separately mounted on the left side wall and right side wall in working chamber, described
Two groups of sliding rails are respectively arranged with two groups of sliding slots, recycle plate left end and right end is respectively arranged with two groups of slide plates, two groups of slide plates point
Pick-and-place mouth Wei Yu not be provided on the side wall of main body, and the pick-and-place mouth is communicated with working chamber in two groups of sliding slots.
A kind of student of the invention high school physics free fall experimental device further includes band movable plate and pulling plate, band movable plate
It is mounted on recycling front edge of board, is provided with kerve on the band movable plate, the left end of pulling plate and the right end left side with the kerve respectively
Wall is connected with right side wall.
A kind of student of the invention high school physics free fall experimental device, further includes handle, sets on the side wall of main body
It is equipped with card slot, the front-end and back-end of the handle are connect with card slot front side wall and rear wall respectively.
A kind of student of the invention high school physics free fall experimental device, further includes audio player and warning light,
Audio player is mounted on timer and is electrically connected with timer, and the warning light is electrically connected with audio player.
A kind of student of the invention high school physics free fall experimental device, further includes electric power storage motor, the electric power storage electricity
Machine is mounted in reclaiming chamber and closes timer with servo motor and is electrically connected, and the buckle that is electrically connected is provided in main body, and described is electrically connected
Buckle is electrically connected with electric power storage motor.
A kind of student of the invention high school physics free fall experimental device, further includes rubber stopper, the rubber stopper
It is side walls hinged on the side wall of retraction rack, and fixing buckle is provided on rubber stopper.
A kind of student of the invention high school physics free fall experimental device further includes display, setting in reclaiming chamber
Have conduction mechanism, the conducting structure is electrically connected with electric power storage motor, the display be mounted on the side wall of main body and with conduction
Mechanism electrical connection.
A kind of student of the invention high school physics free fall experimental device, the drive sprocket, by movable sprocket, chain
Item, ball bearing and two groups of sliding rails are stainless steel material.
Compared with prior art the invention has the benefit that experiment equipment is placed on above fixed plate, servo is opened
Motor drives transmission shaft to drive drive sprocket to rotate simultaneously, and drive sprocket rotation is revolved with driving chain while driving by movable sprocket
Turn, screwed pipe rotation can be driven to drive threaded rod to be moved in screwed pipe by movable sprocket rotation, first sensor sense
It should fall to equipment and electric signal is transferred in timer, second sensor senses that the static driving timer of equipment stops work
Make, it is more convenient to operate, and using effect is stronger, and using effect is preferable, and practicability is higher；Also, it is moved on two groups of sliding rails
Recycling plate moves it on the outside of working chamber, convenient for users to releasing experiment equipment, facilitates the experiment equipment taken out in working chamber,
It offers convenience to user, to improve its use reliability.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of internal structure of working chamber；
Fig. 3 is the structural schematic diagram of retraction rack；
Fig. 4 is the structural schematic diagram of rubber stopper and fixing buckle.
It is attached marked in the figure: 1, main body；2, transparent panel；3, fixed plate；4, retraction rack；5, threaded rod；6, screwed pipe；7, servo
Motor；8, chain；9, first sensor；10, second sensor；11, timer；12, ball bearing；13, by movable sprocket；14,
Sliding rail；15, plate is recycled；16, slide plate；17, band movable plate；18, pulling plate；19, handle；20, audio player；21, warning light；22,
Electric power storage motor；23, rubber stopper；24, fixing buckle；25, display.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figures 1 to 4, a kind of student of the invention high school physics free fall experimental device, including main body 1,
Transparent panel 2 and fixed plate 3 are provided with working chamber in main body 1, and the top of main body 1 is provided with opening, and are open and working chamber phase
It is logical, peep hole is provided in main body 1, and peep hole is communicated with working chamber, transparent panel 2 is mounted on peep hole；Working chamber
It is provided with retraction rack 4 on side wall, reclaiming chamber is provided in retraction rack 4, through-hole, and through-hole and recycling are provided on retraction rack 4
Chamber communicates, and further includes threaded rod 5, screwed pipe 6, servo motor 7, chain 8, first sensor 9, second sensor 10 and timer
11, the right end in reclaiming chamber is provided with mounting plate, and mounting groove is provided on the left side wall of mounting plate, is fixedly installed in mounting groove
Ball bearing 12,6 lateral wall of screwed pipe are connect with 12 inner sidewall of ball bearing, and the left end of threaded rod 5 is connect with fixed plate 3, Gu
The top of fixed board 3 is provided with limiting slot, and simultaneously spiral shell is filled to inside 6 left end of screwed pipe for the right end insertion of threaded rod 5, and servo motor 7 is pacified
In reclaiming chamber, the output end of servo motor 7 is provided with transmission shaft, be provided on transmission shaft and screwed pipe 6 drive sprocket and
By movable sprocket 13, chain 8 is set in drive sprocket and by movable sprocket 13, is provided with fixing groove on the left side wall of working chamber,
First sensor 9 is mounted in fixing groove, and lower fixing groove is provided on the side wall of working chamber, and second sensor 10 is mounted on down
In fixing groove, timer 11 is mounted on the side wall of main body 1, and timer 11 and first sensor 9 and second sensor 10
Electrical connection；It further include two groups of sliding rails 14 and recycling plate 15, two groups of sliding rails 14 are separately mounted to left side wall and right side in working chamber
On wall, two groups of sliding rails 14 are respectively arranged with two groups of sliding slots, recycle 15 left end of plate and right end is respectively arranged with two groups of slide plates 16, and two groups
Slide plate 16 is located in two groups of sliding slots, and pick-and-place mouth is provided on the side wall of main body 1, and is picked and placed mouth and communicated with working chamber；It will
Experiment equipment is placed on above fixed plate, opens servo motor and transmission shaft is driven to drive drive sprocket to rotate simultaneously, drive sprocket
Rotation is rotated with driving chain while driving by movable sprocket, screwed pipe rotation can be driven to drive threaded rod by movable sprocket rotation
It is moved in screwed pipe, first sensor senses that equipment falls and electric signal is transferred in timer, the second sensing
Device senses that the static driving timer of equipment stops working, and it is more convenient to operate, and using effect is stronger, and using effect is preferable,
Practicability is higher；Also, mobile recycling plate moves it on the outside of working chamber on two groups of sliding rails, convenient for users to releasing experiment
Equipment facilitates the experiment equipment taken out in working chamber, offers convenience to user, to improve its use reliability.
A kind of student of the invention high school physics free fall experimental device further includes band movable plate 17 and pulling plate 18, band
Movable plate 17 is mounted on recycling 15 front end of plate, is provided with kerve on band movable plate 17, the left end of pulling plate 18 and right end respectively with kerve
Left side wall is connected with right side wall；Pulling plate is pulled to drive band movable plate that drive recycling plate is facilitated to slide on two groups of sliding rails.
A kind of student of the invention high school physics free fall experimental device, further includes handle 19, on the side wall of main body 1
It is provided with card slot, the front-end and back-end of handle 19 are connect with card slot front side wall and rear wall respectively；Manual body moves convenient pair of handle
Device is integrally transported and is carried.
A kind of student of the invention high school physics free fall experimental device, further includes audio player 20 and warning light
21, audio player 20 is mounted on timer 11 and is electrically connected with timer 11, and warning light 21 is electrically connected with audio player 20
It connects；It driving audio player and warning light can work when timer works or stops working, to improve the work of timer
Make effect.
A kind of student of the invention high school physics free fall experimental device further includes electric power storage motor 22, electric power storage motor
22 are mounted in reclaiming chamber and are electrically connected with the conjunction timer 11 of servo motor 7, the buckle that is electrically connected are provided in main body 1, and be electrically connected
Buckle is electrically connected with electric power storage motor 22；Electric power storage motor can store electricity, with the electrical appliance of ensuring equipment far from power supply
Under conditions of can work normally.
A kind of student of the invention high school physics free fall experimental device, further includes rubber stopper 23, rubber stopper 23
It is side walls hinged on the side wall of retraction rack 4, and fixing buckle 24 is provided on rubber stopper 23；Mobile fixing buckle is to being electrically connected in buckle
Electrical connection can be detained and carry out closed protective, prevent the buckle inner product dirt that is electrically connected, improve practicability.
A kind of student of the invention high school physics free fall experimental device, further includes display 25, sets in reclaiming chamber
Be equipped with conduction mechanism, conducting structure is electrically connected with electric power storage motor 22, display 25 be mounted on the side wall of main body 1 and with conduction machine
Structure electrical connection；Electric power storage motor electricity can be stored and is transferred in display by conduction mechanism, and the convenient display that passes through is to electric power storage motor
Remaining storage electricity shown.
A kind of student of the invention high school physics free fall experimental device, drive sprocket, by movable sprocket 13, chain 8,
Ball bearing 12 and two groups of sliding rails 14 are stainless steel material；It can prevent above-mentioned design from generating rusty stain in long-time use, have
Effect extends the working life of device.
A kind of student of the invention high school physics free fall experimental device, at work, user is manual first
Mobile handle driving device integrally carries out mobile to which device is moved integrally the position needed to user, and student is by experiment equipment
It is placed on above fixed plate, opens servo motor and transmission shaft is driven to drive drive sprocket to rotate simultaneously, drive sprocket is rotated with band
Dynamic chain drives simultaneously to be rotated by movable sprocket, screwed pipe rotation can be driven to drive threaded rod in screwed pipe by movable sprocket rotation
It is inside moved, first sensor senses that equipment falls and electric signal is transferred in timer, while timer work can
To prompt student, experiment equipment free-falling in working chamber is extremely recycled above plate for driving audio player and warning light work,
Second sensor, which senses that the static driving timer of equipment stops working, can drive audio player and warning light to work to prompt
Student, student can pass through the experimental conditions in transparent panel observation working chamber, and after use, student pulls pulling plate to drive band manually
Movable plate drives recycling plate to slide on two groups of sliding rails simultaneously, is moved to recycling plate on the outside of working chamber, to facilitate student to put down back
The experimental apparatus above plate is received, electric power storage processing can be carried out to electric power storage motor by being electrically connected buckle using rear user for a long time, stored
User moves rubber stopper manually after electricity, and mobile rubber stopper can drive fixing buckle to detain electrical connection simultaneously and carry out closed protective
?.
Term as used herein "vertical", "horizontal", "left" and "right" and similar statement simply to illustrate that
Purpose；Heretofore described " first ", " second ", " () " do not represent specific quantity and sequence, are only used for title
It distinguishes.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications, these improvements and modifications can also be made
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of student high school physics free fall experimental device, including main body (1), transparent panel (2) and fixed plate (3), main
Working chamber is provided in body (1), the top of main body (1) is provided with opening, and is open and communicates with working chamber, and main body is set on (1)
It is equipped with peep hole, and the peep hole is communicated with working chamber, the transparent panel (2) is mounted on peep hole；It is characterized in that,
It is provided on the side wall of working chamber retraction rack (4), is provided with reclaiming chamber in the retraction rack (4), is provided on retraction rack (4) logical
Hole, and the through-hole is communicated with reclaiming chamber, further includes threaded rod (5), screwed pipe (6), servo motor (7), chain (8),
One sensor (9), second sensor (10) and timer (11), the right end in reclaiming chamber are provided with mounting plate, the mounting plate
Left side wall on be provided with mounting groove, be fixedly installed in the mounting groove ball bearing (12), screwed pipe (6) lateral wall and institute
The connection of ball bearing (12) inner sidewall is stated, the left end of threaded rod (5) is connect with the fixed plate (3), and the top of fixed plate (3) is set
It is equipped with limiting slot, simultaneously spiral shell is filled to inside the screwed pipe (6) left end for the right end insertion of threaded rod (5), and servo motor (7) is mounted on
In reclaiming chamber, the output end of the servo motor (7) is provided with transmission shaft, is provided with master on the transmission shaft and screwed pipe (6)
Movable sprocket and by movable sprocket (13), the chain (8) are set in drive sprocket and by movable sprocket (13), the left side wall of working chamber
On be provided with fixing groove, first sensor (9) is mounted in fixed slot, and lower fixation is provided on the side wall of working chamber
Slot, second sensor (10) are mounted in the lower fixing groove, and timer (11) is mounted on the side wall of main body (1), and institute
Timer (11) is stated to be electrically connected with first sensor (9) and second sensor (10)；It further include two groups of sliding rails (14) and recycling plate
(15), two groups of sliding rails (14) are separately mounted on the left side wall and right side wall in working chamber, and two groups of sliding rails (14) set respectively
Two groups of sliding slots are equipped with, plate (15) left end is recycled and right end is respectively arranged with two groups of slide plates (16), two groups of slide plates (16) are respectively
In two groups of sliding slots, pick-and-place mouth is provided on the side wall of main body (1), and the pick-and-place mouth is communicated with working chamber.
2. a kind of student's high school physics free fall experimental device as described in claim 1, which is characterized in that further include band
Movable plate (17) and pulling plate (18), band movable plate (17) are mounted on recycling plate (15) front end, are provided with kerve on the band movable plate (17),
The left end of pulling plate (18) and right end are connect with the left side wall of the kerve and right side wall respectively.
3. a kind of student's high school physics free fall experimental device as claimed in claim 2, which is characterized in that further include mentioning
Hand (19), is provided with card slot on the side wall of main body (1), the front-end and back-end of the handle (19) respectively with card slot front side wall and after
Side wall connection.
4. a kind of student's high school physics free fall experimental device as claimed in claim 3, which is characterized in that further include sound
Frequency player (20) and warning light (21), audio player (20) are mounted on timer (11) and are electrically connected with timer (11)
It connects, the warning light (21) is electrically connected with audio player (20).
5. a kind of student's high school physics free fall experimental device as claimed in claim 4, which is characterized in that further include storing
Motor (22), the electric power storage motor (22) is mounted in reclaiming chamber and closes timer (11) with servo motor (7) and is electrically connected, main
Body is provided with the buckle that is electrically connected on (1), and the buckle that is electrically connected is electrically connected with electric power storage motor (22).
6. a kind of student's high school physics free fall experimental device as claimed in claim 5, which is characterized in that further include rubber
Rubber plug (23), the rubber stopper (23) it is side walls hinged on the side wall of retraction rack (4), and be provided on rubber stopper (23) solid
Fixed button (24).
7. a kind of student's high school physics free fall experimental device as claimed in claim 6, which is characterized in that further include showing
Show device (25), conduction mechanism is provided in reclaiming chamber, and the conducting structure is electrically connected with electric power storage motor (22), the display
(25) it is mounted on the side wall of main body (1) and is electrically connected with conduction mechanism.
8. a kind of student's high school physics free fall experimental device as claimed in claim 7, which is characterized in that the active
Sprocket wheel by movable sprocket (13), chain (8), ball bearing (12) and two groups of sliding rails (14) is stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343296.1A CN109712487A (en) | 2018-11-13 | 2018-11-13 | A kind of student's high school physics free fall experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343296.1A CN109712487A (en) | 2018-11-13 | 2018-11-13 | A kind of student's high school physics free fall experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109712487A true CN109712487A (en) | 2019-05-03 |
Family
ID=66254280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811343296.1A Pending CN109712487A (en) | 2018-11-13 | 2018-11-13 | A kind of student's high school physics free fall experimental device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109712487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112419805A (en) * | 2020-11-30 | 2021-02-26 | 绍兴达道生涯教育信息咨询有限公司 | Portable foreign language teaching is with word meaning contrast device |
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| KR20180000112U (en) * | 2016-06-30 | 2018-01-09 | 정용일 | Device for experience of importance of helmet |
| CN207337725U (en) * | 2017-04-17 | 2018-05-08 | 耿一帆 | A kind of experimental provision of quick measure acceleration of gravity |
| CN207731517U (en) * | 2018-01-22 | 2018-08-14 | 薛泽利 | A kind of physical experiment table |
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Application publication date: 20190503 |
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