CN209912281U - Speed measuring device for physical experiment - Google Patents
Speed measuring device for physical experiment Download PDFInfo
- Publication number
- CN209912281U CN209912281U CN201920328588.1U CN201920328588U CN209912281U CN 209912281 U CN209912281 U CN 209912281U CN 201920328588 U CN201920328588 U CN 201920328588U CN 209912281 U CN209912281 U CN 209912281U
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- speed measuring
- fixedly connected
- speed
- base
- fastening bolt
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Abstract
The utility model discloses a speed sensor for physics experiment relates to physics teaching technical field, this a speed sensor for physics experiment, the on-line screen storage device comprises a base, the slide has been seted up to the inside of base, one side at base top is provided with first tachometer pole, the bottom fixedly connected with pulley of first tachometer pole, first spout has been seted up to first tachometer pole inside, the inside of first spout is provided with first fastening bolt, the opposite side fixedly connected with second tachometer pole at base top. This a speed sensor for physics experiment can be convenient for the user of service watch the time of testing the speed through setting up the stopwatch, through set up the pulley on first tachometer pole, can realize first tachometer pole at the gliding purpose of slide, through setting up first fastening bolt and second fastening bolt, can make the platform of testing the speed be convenient for fixed when adjusting the slope, through setting up first spout and second spout to reach the purpose of adjusting the platform slope of testing the speed.
Description
Technical Field
The utility model relates to a physical teaching technical field specifically is a speed sensor for physics experiments.
Background
In the physical teaching process, the concepts of speed, potential energy and kinetic energy belong to one of important and difficult-to-understand contents, and the concepts are abstract and difficult to understand if the concepts are simply described according to the contents in a textbook; in addition, for the conversion relationship between the kinetic energy and the potential energy, if students understand the relationship according to the formula in the book, the students are boring and difficult to master deeply, and if a speed value corresponding to the kinetic energy can be obtained conveniently through any change of the potential energy intuitively, the students can deepen the deep understanding of the speed, the potential energy, the kinetic energy and other physical concepts and the mutual relationship thereof.
The speed sensor for physics experiment that discloses in chinese utility model patent application publication specification CN204440756U, this physics experiment's speed sensor, though, this utility model compact structure, novelty adopt photosensitive induction to replace traditional mode of dotting, make data more accurate, it is more convenient to observe and measure, makes the student gain better experiment achievement, but, this physics experiment's speed sensor, at the in-process of teaching, the demonstration effect is not good, consequently needs to improve.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a speed sensor for physics experiment has solved current a speed sensor for physics experiment, uses inconveniently, demonstrates the single problem of effect.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a speed measuring device for physical experiments, which comprises a base,
the base is internally provided with a slide way, one side of the top of the base is provided with a first speed measuring rod, the bottom of the first speed measuring rod is fixedly connected with a pulley, the first speed measuring rod is internally provided with a first chute, a first fastening bolt is arranged inside the first chute, the other side of the top of the base is fixedly connected with a second speed measuring rod, the second speed measuring rod is internally provided with a second chute, a second fastening bolt is arranged inside the second chute, and the outer surface of the first speed measuring rod is provided with a speed measuring table;
a first fixed block is fixedly connected to one side of the top of the speed measuring table, a first return spring is arranged inside the first fixed block, a push rod is arranged inside the first return spring, a top plate is fixedly connected to one side of the push rod, and a first switch is arranged on the other side of the push rod;
the opposite side fixedly connected with second fixed block at bench top portion tests the speed, the external fixed surface of second fixed block is connected with the pivot, the surface of pivot is provided with the lever, the one end of lever is provided with second reset spring, one side of second fixed block is provided with the second switch, the opposite side of second fixed block is provided with the experiment body.
Optionally, a stopwatch is arranged on one side of the outer surface of the base.
Optionally, the first speed measuring rod is fixedly connected with the base through a pulley.
Optionally, one side of the speed measuring platform is movably connected with the first speed measuring rod through a first fastening bolt, and the other side of the speed measuring platform is movably connected with the second speed measuring rod through a second fastening bolt.
Optionally, the lever is fixedly connected with the second fixing block through a rotating shaft.
(III) advantageous effects
The utility model provides a speed sensor for physics experiment possesses following beneficial effect:
(1) this a speed sensor for physics experiment, can be convenient for the user to watch the time of testing the speed through setting up the stopwatch, through set up the pulley on first tachometer pole, can realize first tachometer pole in the gliding purpose of slide, through setting up first fastening bolt and second fastening bolt, can make the platform of testing the speed be convenient for fixed when adjusting the slope, the stability of the device has been improved, through setting up first spout and second spout, thereby reach the purpose of adjusting the platform slope of testing the speed, thereby the diversification of the device experiment has been improved.
(2) This a speed sensor for physics experiment, through setting up first reset spring, can make the experimental body when removing, touch the push rod, make the push rod touch first switch, reach the purpose of closing the timing, manual trouble has been reduced, the practicality of the device has been improved, through setting up the lever, can make the device in the experimentation, the movable lever, thereby drive the second switch and begin to time, make the experimental body begin to remove simultaneously, the result of use of the device has been improved, through setting up second reset spring, the purpose that the lever resets has been reached.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the slide of the present invention;
fig. 3 is the schematic structural diagram of the speed measuring table of the present invention.
In the figure: 1-base, 2-stopwatch, 3-slideway, 4-first speedometer, 5-pulley, 6-first chute, 7-first fastening bolt, 8-second speedometer, 9-second chute, 10-second fastening bolt, 11-speedometer, 12-first fixed block, 13-first return spring, 14-push rod, 15-top plate, 16-first switch, 17-second fixed block, 18-rotating shaft, 19-lever, 20-second return spring, 21-second switch and 22-experimental body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides a technical solution:
a speed measuring device for physical experiments comprises a base 1;
a slide rail 3 is arranged in a base 1, a first speed measuring rod 4 is arranged on one side of the top of the base 1, a pulley 5 is fixedly connected to the bottom of the first speed measuring rod 4, a first sliding chute 6 is arranged in the first speed measuring rod 4, a first fastening bolt 7 is arranged in the first sliding chute 6, a second speed measuring rod 8 is fixedly connected to the other side of the top of the base 1, a second sliding chute 9 is arranged in the second speed measuring rod 8, a second fastening bolt 10 is arranged in the second sliding chute 9, and a speed measuring table 11 is arranged on the outer surface of the first speed measuring rod 4;
a first fixed block 12 is fixedly connected to one side of the top of the speed measuring table 11, a first return spring 13 is arranged inside the first fixed block 12, a push rod 14 is arranged inside the first return spring 13, a top plate 15 is fixedly connected to one side of the push rod 14, and a first switch 16 is arranged on the other side of the push rod 14;
the opposite side fixedly connected with second fixed block 17 at the platform 11 top tests the speed, and the fixed surface of second fixed block 17 is connected with pivot 18, and the surface of pivot 18 is provided with lever 19, and the one end of lever 19 is provided with second reset spring 20, and one side of second fixed block 17 is provided with second switch 21, and the opposite side of second fixed block 17 is provided with experimental body 22.
As an optional technical solution of the utility model:
one side of base 1 surface is provided with stopwatch 2, can be convenient for the user to look over the time.
As an optional technical solution of the utility model:
As an optional technical solution of the utility model:
one side of the speed measuring platform 11 is movably connected with the first speed measuring rod 4 through the first fastening bolt 7, the other side of the speed measuring platform 11 is movably connected with the second speed measuring rod 8 through the second fastening bolt 10, and the speed measuring platform 11 can be fixed after the angle is adjusted.
As an optional technical solution of the utility model:
the lever 19 is fixedly connected with the second fixing block 17 through the rotating shaft 18, so that the lever 19 can move conveniently.
In conclusion, the speed measuring device for physical experiments can facilitate users to watch the speed measuring time by arranging the stopwatch 2, can achieve the purpose that the first speed measuring rod 4 slides on the slideway 3 by arranging the pulley 5 on the first speed measuring rod 4, can facilitate the speed measuring table 11 to be fixed when adjusting the gradient by arranging the first fastening bolt 7 and the second fastening bolt 10, improves the stability of the device, achieves the purpose of adjusting the gradient of the speed measuring table 11 by arranging the first chute 6 and the second chute 9, improves the diversity of experiments of the device, can enable the experimental body 22 to touch the push rod 14 when moving by arranging the first return spring 13, enables the push rod 14 to touch the first switch 16, achieves the purpose of closing and timing, reduces the manual trouble, improves the practicability of the device, can enable the device to be used in the experimental process by arranging the lever 19, the lever 19 is moved, so that the second switch 21 is driven to start timing, the experimental body 22 starts to move, the using effect of the device is improved, and the purpose of resetting the lever 19 is achieved by arranging the second reset spring 20.
It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a speed sensor for physics experiment, includes base (1), its characterized in that:
a slide way (3) is arranged inside the base (1), a first speed measuring rod (4) is arranged on one side of the top of the base (1), a pulley (5) is fixedly connected to the bottom of the first speed measuring rod (4), a first sliding chute (6) is arranged inside the first speed measuring rod (4), a first fastening bolt (7) is arranged inside the first sliding chute (6), a second speed measuring rod (8) is fixedly connected to the other side of the top of the base (1), a second sliding chute (9) is arranged inside the second speed measuring rod (8), a second fastening bolt (10) is arranged inside the second sliding chute (9), and a speed measuring table (11) is arranged on the outer surface of the first speed measuring rod (4);
a first fixing block (12) is fixedly connected to one side of the top of the speed measuring table (11), a first return spring (13) is arranged inside the first fixing block (12), a push rod (14) is arranged inside the first return spring (13), a top plate (15) is fixedly connected to one side of the push rod (14), and a first switch (16) is arranged on the other side of the push rod (14);
the speed measuring device is characterized in that a second fixing block (17) is fixedly connected to the other side of the top of the speed measuring table (11), a rotating shaft (18) is fixedly connected to the outer surface of the second fixing block (17), a lever (19) is arranged on the outer surface of the rotating shaft (18), a second reset spring (20) is arranged at one end of the lever (19), a second switch (21) is arranged on one side of the second fixing block (17), and an experiment body (22) is arranged on the other side of the second fixing block (17).
2. A speed measuring device for physical experiment according to claim 1,
a stopwatch (2) is arranged on one side of the outer surface of the base (1).
3. A speed measuring device for physical experiment according to claim 1,
the first speed measuring rod (4) is fixedly connected with the base (1) through a pulley (5).
4. A speed measuring device for physical experiment according to claim 1,
one side of the speed measuring platform (11) is movably connected with the first speed measuring rod (4) through a first fastening bolt (7), and the other side of the speed measuring platform (11) is movably connected with the second speed measuring rod (8) through a second fastening bolt (10).
5. A speed measuring device for physical experiment according to claim 1,
the lever (19) is fixedly connected with the second fixed block (17) through a rotating shaft (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328588.1U CN209912281U (en) | 2019-03-15 | 2019-03-15 | Speed measuring device for physical experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920328588.1U CN209912281U (en) | 2019-03-15 | 2019-03-15 | Speed measuring device for physical experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209912281U true CN209912281U (en) | 2020-01-07 |
Family
ID=69031822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920328588.1U Expired - Fee Related CN209912281U (en) | 2019-03-15 | 2019-03-15 | Speed measuring device for physical experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209912281U (en) |
-
2019
- 2019-03-15 CN CN201920328588.1U patent/CN209912281U/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: 20200107 Termination date: 20210315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |