CN215814714U - Friction coefficient experimental device for high school physics - Google Patents
Friction coefficient experimental device for high school physics Download PDFInfo
- Publication number
- CN215814714U CN215814714U CN202122339147.1U CN202122339147U CN215814714U CN 215814714 U CN215814714 U CN 215814714U CN 202122339147 U CN202122339147 U CN 202122339147U CN 215814714 U CN215814714 U CN 215814714U
- Authority
- CN
- China
- Prior art keywords
- high school
- slide bar
- connecting piece
- friction coefficient
- clamping block
- 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
Links
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model relates to the technical field of physical experiment devices, in particular to a friction coefficient experiment device for high school physics, which comprises a working box, a first connecting piece and compasses, wherein the top of the working box is connected with a first chute in an embedded manner, two ends of the first chute are fixedly connected with a first slide bar, the periphery of the first slide bar is connected with a first clamping block in an embedded manner, the top of the first clamping block is fixedly connected with a magnet block, the inner side of the first clamping block is connected with a rubber pad in an embedded manner, the right side of the first clamping block is tightly attached with the first connecting piece, a first limit bolt is connected in a penetrating manner right in front of the first connecting piece, the periphery of the first limit bolt is connected with a second slide bar in an embedded manner, and an adjusting mechanism enables high school students to adjust the inclination angle of a connecting plate in the friction coefficient experiment process by moving left and right and inclining the second slide bar, the experiment is convenient to carry out, the experiment efficiency is improved, and the practicability of the device is reflected.
Description
Technical Field
The utility model relates to the technical field of physical experiment devices, in particular to a friction coefficient experiment device for high school physics.
Background
The coefficient of friction is the ratio of the friction between two surfaces to the normal force acting on one surface. It is related to the roughness of the surface and not to the size of the contact area. Depending on the nature of the movement, it can be divided into a dynamic coefficient of friction and a static coefficient of friction. The sliding friction force is generated by the relative sliding of two objects when the two objects are contacted with each other. The coefficient of friction can generally be determined by the method of friction angle, which is generally: one of two objects to be measured is placed obliquely as an inclined plane, the other object is placed on an inclined plane body and slides down along the inclined plane body, and the inclined angle of the inclined plane is gradually increased.
The existing friction coefficient experiment for high school physics is adopted, and when students in high school do the experiment, the friction angle is generally slowly found by slowly increasing the height of an inclined plane, so that the method is troublesome, and the accuracy of the subsequent experimental data recording is influenced because the specific inclination angle of the inclined plane is unknown; meanwhile, the existing experimental method is that students generally hold the inclined plane with hands to carry out experiments, and no device for adjusting the angle of the inclined plane is used for assisting the experiments of the students, so that the experimental efficiency is influenced.
Therefore, how to design an intelligent display device for Chinese language teaching becomes a problem to be solved at present.
Disclosure of Invention
The utility model aims to provide an intelligent display device for Chinese language teaching, which aims to solve the problems that the angle of the conventional inclined plane cannot be specifically determined and the inclined plane cannot be movably adjusted in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a friction coefficient experiment device for high school physics comprises a work box, a first connecting piece and compasses, wherein the top of the work box is connected with a first sliding chute in an embedded manner, two ends of the first sliding chute are fixedly connected with first sliding rods, the periphery of the first sliding rods is connected with a first clamping block in an embedded manner, the top of the first clamping block is fixedly connected with a magnet block, the inner side of the first clamping block is connected with a rubber pad in an embedded manner, the right side of the first clamping block is tightly attached with the first connecting piece, a first limiting bolt is connected in the right front of the first connecting piece in a penetrating manner, the periphery of the first limiting bolt is connected with a second sliding rod in a nested manner, the periphery of the second sliding rod is connected with a second connecting piece in a nested manner, a second limiting bolt is connected in the right side of the second connecting piece in a penetrating manner, a connecting plate is connected in the peripheral nested manner of the second limiting bolt, and a scale indicating line is fixedly connected in the right front of the bottom of the connecting plate, the top of connecting plate embedding is connected with the second spout, the inboard embedding of second spout is connected with the sliding block, the right side through connection of connecting plate has the connecting axle, the peripheral nested connection of connecting axle has the compasses, the bottom fixedly connected with backup pad of compasses, the dead ahead fixedly connected with scale of compasses, the top fixedly connected with dog of second slide bar.
Preferably, a second clamping block is connected to the periphery of the second sliding rod in a nested manner, and the second clamping block is square in side view.
Preferably, the first slide bar is circular in side view, the second slide bar is circular in top view, the connecting plate is indirectly connected with the second slide bar through a second connecting member, and the second slide bar is indirectly connected with the first slide bar through a first connecting member.
Preferably, the compasses are semicircular when viewed from the front, and the compasses are indirectly connected with the work box through a connecting shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. this kind of friction coefficient experimental apparatus for high school physics, accurate mechanism make high school students when doing the friction coefficient experiment through such setting, can carry out specific data record to the inclination on inclined plane through the effect of compasses for the inclination on inclined plane is confirmed to high school students more accurately, provides more favorable data for confirming the magic coefficient value in the back.
2. This kind of friction coefficient experimental apparatus for high school's physics, adjustment mechanism make high school student at the in-process for doing the friction coefficient experiment through such setting, and high school student can adjust the inclination of connecting plate through the mode that removes and control the slope second slide bar, has not only made things convenient for going on of experiment, has also improved experimental efficiency, has embodied the device's practicality.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic plan view of a first clamping block of the present invention;
fig. 4 is an enlarged view of the utility model at a.
The labels in the figure are: 1. a working box; 2. a first chute; 3. a first slide bar; 4. a first clamping block; 401. a magnet block; 402. a rubber pad; 5. a first connecting member; 501. a first limit bolt; 6. a second slide bar; 7. a second chute; 8. a connecting shaft; 9. a support plate; 10. a second connecting member; 1001. a second limit bolt; 11. a connecting plate; 1101. a slider; 12. scale indication lines; 13. compasses; 14. calibration; 15. a stopper; 16. and a second clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a friction coefficient experimental device for high school physics comprises a working box 1, a first connecting piece 5 and compasses 13, wherein the top of the working box 1 is embedded and connected with a first sliding chute 2, two ends of the first sliding chute 2 are fixedly connected with a first sliding rod 3, the periphery of the first sliding rod 3 is connected with a first clamping block 4 in a nested manner, the top of the first clamping block 4 is fixedly connected with a magnet block 401, the inner side of the first clamping block 4 is embedded and connected with a rubber pad 402, the right side of the first clamping block 4 is tightly attached with the first connecting piece 5, the right front side of the first connecting piece 5 is connected with a first limit bolt 501 in a penetrating manner, the periphery of the first limit bolt 501 is connected with a second sliding rod 6 in a nested manner, the periphery of the second sliding rod 6 is connected with a second connecting piece 10 in a nested manner, the right side of the second connecting piece 10 is connected with a second limit bolt 1001 in a penetrating manner, the periphery of the second limit bolt 1001 is connected with a connecting plate 11 in a nested manner, a scale indicating line 12 is fixedly connected with the right front of the bottom of the connecting plate 11, the top of the connecting plate 11 is connected with a second sliding chute 7 in an embedded mode, the inner side of the second sliding chute 7 is connected with a sliding block 1101 in an embedded mode, the right side of the connecting plate 11 is connected with a connecting shaft 8 in a penetrating mode, the periphery of the connecting shaft 8 is connected with compasses 13 in an embedded mode, the bottom of the compasses 13 is fixedly connected with a supporting plate 9, scales 14 are fixedly connected to the position right in front of the compasses 13, and a stop block 15 is fixedly connected to the top end of the second sliding rod 6.
Preferably, the peripheral nested connection of second slide bar 6 has second fixture block 16, second fixture block 16 is square from the angle of looking sideways, in the experiment, when needing to adjust connecting plate 11 inclination, can be earlier first fixture block 4, through loosening magnet piece 401, make first connecting piece 5 slide to suitable position, make first fixture block 4 fix the removal that has used restriction first connecting piece 5 at first slide bar 3 through the magnetic attraction effect of magnet piece 401, through the effect of second fixture block 16, make the stability of second connecting piece 10 get off.
Preferably, the first slide bar 3, the first connecting piece 5, the second slide bar 6 and the second connecting piece 10 are used together to form an adjusting mechanism, the first slide bar 3 is circular from a side view, the second slide bar 6 is circular from a top view, the connecting plate 11 is indirectly connected with the second slide bar 6 through the second connecting piece 10, the second slide bar 6 is indirectly connected with the first slide bar 3 through the first connecting piece 5, when students in experiments in high schools need to increase and adjust the inclination angle of the connecting plate 11, the students firstly use the handle to move the second slide bar 6 to the right direction through the sliding action of the first connecting piece 5, when the position is appropriate, the position of the first connecting piece 5 is fixed through the first clamping block 4, then the handle to move the second connecting piece 10 upwards, and then the position of the second connecting piece 10 is fixed through the second clamping block 16, the inclination angle of connecting plate 11 has just obtained increasing at this time, when needs reduce the inclination of connecting plate 11, the hand (hold) first fixture block 4 is earlier loosened and is moved left direction, reuse hand (hold) first connecting piece 5 is moved left direction, thereby drive second slide bar 6 and also move left direction, after the position is confirmed, reuse first fixture block 4 is got off the position fixation of first connecting piece 5, loosen second fixture block 16 and move down again, then move down second connecting piece 10, the second connecting piece 10 that moves down drives connecting plate 11 and moves down left simultaneously, thereby make the inclination of connecting plate 11 reduce.
Preferably, scale indicating line 12, compasses 13 and 14 cooperation uses jointly of scale, constitute accurate mechanism, compasses 13 is semicircular in shape from the angle of orthographic view, compasses 13 is connected through connecting axle 8 and work box 1 is indirect, when high school student does the inclination of experiment regulation connecting plate 11, because scale indicating line 12 sets up on connecting plate 11, so the connecting plate 11 of removal drives scale indicating line 12 and removes, 12 constantly with scale 14 alignment marks of scale indicating line of removal, high school student can be very clear see the inclination of connecting plate 11, made things convenient for high school student to the accurate record of friction experiment data.
The working principle is as follows: firstly, when high school students do the experiment, the inclination of connecting plate 11 can be adjusted through the mode of left and right translation, the position of second slide bar 6 is determined earlier, the angle of connecting plate 11 is adjusted to the mode that rethread reciprocated, reuse first fixture block 4 and second fixture block 16 are the position fixation of second slide bar 6 and connecting plate 11 respectively get off, then reuse compasses 13's effect, come to carry out the clear observation to the inclination of connecting plate 11 in the experiment, made things convenient for high school students to the accurate record of friction experiment data, embodied the device's practicality.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a friction coefficient experimental apparatus for high school physics, includes work box (1), first connecting piece (5) and compasses (13), its characterized in that: the top of the working box (1) is connected with a first sliding chute (2) in an embedded manner, two ends of the first sliding chute (2) are fixedly connected with a first sliding rod (3), the periphery of the first sliding rod (3) is connected with a first clamping block (4) in a nested manner, the top of the first clamping block (4) is fixedly connected with a magnet block (401), the inner side of the first clamping block (4) is connected with a rubber pad (402) in an embedded manner, the right side of the first clamping block (4) is tightly attached with a first connecting piece (5), a first limiting bolt (501) is connected in a penetrating manner right in front of the first connecting piece (5), the periphery of the first limiting bolt (501) is connected with a second sliding rod (6) in a nested manner, the periphery of the second sliding rod (6) is connected with a second connecting piece (10) in a nested manner, the right side of the second connecting piece (10) is connected with a second limiting bolt (1001) in a penetrating manner, and the periphery of the second limiting bolt (1001) is connected with a nested connecting plate (11), the improved compass is characterized in that a scale indicating line (12) is fixedly connected to the front of the bottom of the connecting plate (11), a second sliding groove (7) is connected to the top of the connecting plate (11) in an embedded mode, a sliding block (1101) is connected to the inner side of the second sliding groove (7) in an embedded mode, a connecting shaft (8) is connected to the right side of the connecting plate (11) in a penetrating mode, compasses (13) are connected to the periphery of the connecting shaft (8) in an embedded mode, a supporting plate (9) is fixedly connected to the bottom of the compasses (13), and scales (14) are fixedly connected to the front of the compasses (13).
2. The experimental device for the friction coefficient for high school physics according to claim 1, wherein: the top end of the second sliding rod (6) is fixedly connected with a stop block (15).
3. The experimental device for the friction coefficient for high school physics according to claim 1, wherein: the periphery of the second sliding rod (6) is connected with a second clamping block (16) in a nested mode, and the second clamping block (16) is square in side view.
4. The experimental device for the friction coefficient for high school physics according to claim 1, wherein: the first slide bar (3) is circular in side view and the second slide bar (6) is circular in top view.
5. The experimental device for the friction coefficient for high school physics according to claim 1, wherein: the connecting plate (11) is indirectly connected with the second slide bar (6) through a second connecting piece (10), and the second slide bar (6) is indirectly connected with the first slide bar (3) through a first connecting piece (5).
6. The experimental device for the friction coefficient for high school physics according to claim 1, wherein: the compasses (13) are semicircular when viewed from the front view.
7. The experimental device for the friction coefficient for high school physics according to claim 1, wherein: the compasses (13) are indirectly connected with the working box (1) through a connecting shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122339147.1U CN215814714U (en) | 2021-09-27 | 2021-09-27 | Friction coefficient experimental device for high school physics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122339147.1U CN215814714U (en) | 2021-09-27 | 2021-09-27 | Friction coefficient experimental device for high school physics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215814714U true CN215814714U (en) | 2022-02-11 |
Family
ID=80166994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122339147.1U Expired - Fee Related CN215814714U (en) | 2021-09-27 | 2021-09-27 | Friction coefficient experimental device for high school physics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215814714U (en) |
-
2021
- 2021-09-27 CN CN202122339147.1U patent/CN215814714U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112428726B (en) | Plotter for applied mathematics teaching | |
| CN215814714U (en) | Friction coefficient experimental device for high school physics | |
| CN110126518B (en) | Geometric line drawing device | |
| CN201348696Y (en) | Backlight frame positioning and adjusting fixture | |
| CN204726104U (en) | A kind of Rock Joint Profiles surveying instrument | |
| CN209336355U (en) | A kind of plotter | |
| CN203825899U (en) | Physical experiment demonstration table | |
| CN210881451U (en) | Writing practice device for Russian teaching | |
| CN201154622Y (en) | Multipurpose ruler | |
| CN212539188U (en) | Fixing device for surveying and mapping marker post | |
| CN2704018Y (en) | Groove-width check tool | |
| CN203858192U (en) | Plane friction coefficient measurement device for agricultural biomass | |
| CN217445409U (en) | Non-contact ancient book scanning device with regulatory function | |
| CN211787773U (en) | Friction coefficient experimental device for high school physics | |
| CN220944992U (en) | Corrosion-resistant alloy foundry goods processing is with location frock | |
| CN219867086U (en) | Surveying and mapping device fixing frame structure | |
| CN221129172U (en) | Music stand for music teaching | |
| CN217213168U (en) | Positioning and measuring device for geographic information | |
| CN219657650U (en) | Device for fixing pre-buried measuring head of contact method horizontal shrinkage test specimen | |
| CN219821069U (en) | Mathematical drawing device | |
| CN216084081U (en) | Teaching rack for demonstrating four-bar mechanism | |
| CN217504647U (en) | Hand plate model flatness detection device | |
| CN216610656U (en) | Novel plotter that higher mathematics was used | |
| CN211031927U (en) | Mechanical drawing board | |
| CN213874133U (en) | Municipal road and bridge engineering roughness detection device |
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: 20220211 |