CN108877422B - Free falling body device for physics experiments - Google Patents
Free falling body device for physics experiments Download PDFInfo
- Publication number
- CN108877422B CN108877422B CN201810802193.0A CN201810802193A CN108877422B CN 108877422 B CN108877422 B CN 108877422B CN 201810802193 A CN201810802193 A CN 201810802193A CN 108877422 B CN108877422 B CN 108877422B
- Authority
- CN
- China
- Prior art keywords
- rod
- fixedly connected
- connecting rod
- sliding
- cross
- 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.)
- Active
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
Abstract
The invention discloses a free falling body device for physical experiments, which comprises a base plate, wherein one side of the base plate is fixedly connected with a supporting rod, and the free falling body device has the beneficial effects that: when the electronic timer is used, an article to be tested is placed on the placing plate, the third connecting rod is pulled down through the first handle, the fourth connecting rod is driven to move downwards, the first meshing tooth on one side of the first steering rod and the first meshing tooth on the first driving wheel are used for driving the first driving wheel to rotate, the placing plate is inclined, the article falls off from the placing plate, one end of the third connecting rod is in contact with the second cross rod at the moment, the second cross rod is driven to move downwards, the second connecting rod is in contact with the timing button, timing is started, when the article falls on the first cross rod, the impact force enables the first cross rod to move downwards, the second cross rod is driven to contact the timing button again, timing is stopped, and the free falling body experiment result is calculated by using the scales on the scale and the numbers on the display screen of the timer.
Description
The technical field is as follows:
the invention belongs to the technical field of education equipment, and particularly relates to a free-fall device for a physical experiment.
Background art:
in the prior art, a free-fall device is often used for free-fall tests in physical experiments, and the traditional free-fall device is not visual enough in test results and not convenient enough to use, so that the invention provides the novel free-fall device for the physical experiments.
The invention content is as follows:
the present invention is directed to solving the above problems and providing a free-fall device for physical experiments, which solves the disadvantages of the prior art.
In order to solve the above problems, the present invention provides a technical solution:
a free falling body device for physical experiments comprises a base plate, wherein a supporting rod is fixedly connected to one side of the base plate, a protective shell is arranged on the supporting rod, a first cross rod is arranged in the protective shell, the size of the first cross rod is smaller than that of the protective shell, a plurality of first springs are fixedly connected below the first cross rod, one end of each spring is fixedly installed on the base plate, one side of the first cross rod is fixedly connected with the base plate through the first spring, a first connecting rod is fixedly connected above one side of the first cross rod, a first fixing rod is fixedly connected to one side of the first connecting rod, one end of the first fixing rod is fixedly connected with the first cross rod, the first cross rod is fixedly connected with the first connecting rod through the first fixing rod, and a first sliding rod is fixedly connected to one side of the first connecting rod above the first fixing rod, a slider of slide bar one side fixedly connected with, a slider slidable mounting is on a slide rail, a slide bar is through a slider and a slide rail sliding connection, a slide bar freely slides on a slide rail through a slider, a slide rail fixed mounting is in bracing piece one side.
Preferably, a second cross rod is fixedly connected above the first connecting rod, a second fixing rod is fixedly connected below the second cross rod, one end of the second fixing rod is fixedly connected with the first connecting rod, the first connecting rod is fixedly connected with the second cross rod through the second fixing rod, one end of the second cross rod is fixedly connected with the second connecting rod, one side of the second connecting rod is fixedly connected with a third fixing rod, one end of the third fixing rod is fixedly connected with the second cross rod, the second cross rod is fixedly connected with the second connecting rod through the third fixing rod, the other side of the second connecting rod is fixedly connected with a second slide rod, one end of the second slide rod is fixedly connected with a second slide block, the second slide block is slidably mounted on the second slide rail, the second slide rod is slidably connected with the second slide rail through the second slide block, and the second slide rod freely slides on the second slide rail through the second slide block, no. two slide rail fixed mounting is on the bracing piece, No. two connecting rod below are provided with the timing button, timing button fixed mounting is on the electronic timer, be provided with the time-recorder display screen on the electronic timer, electronic timer one side fixedly connected with time-recorder connecting rod, time-recorder connecting rod and bracing piece fixed connection, the electronic timer passes through time-recorder connecting rod and bracing piece fixed connection.
Preferably, the electronic timer is WSC-J0201 in model, a reset button is mounted on one side, opposite to the timing button, of the electronic timer, a third connecting rod is arranged above the second cross rod, a first handle is fixedly connected to one side of the third connecting rod, an anti-skid rubber pad is sleeved on the first handle, a third sliding rod is fixedly connected to one side, opposite to the first handle, of the third connecting rod, a third sliding block is fixedly connected to one end of the third sliding rod, the third sliding block is slidably mounted on the third sliding rail, the third connecting rod is slidably connected with the third sliding rail through the third sliding rod and the third sliding block, the third connecting rod freely slides on the third sliding rail through the third sliding rod and the third sliding block, the third sliding rail is fixedly mounted on one side of the supporting rod, and a fourth connecting rod is fixedly connected to one side above the third connecting rod, no. four connecting rods and bracing piece junction are provided with the protective housing No. four, the size of No. four protective housings is greater than the size of No. four connecting rods, No. four connecting rod one side fixedly connected with steering column, a plurality of meshing teeth of a plurality of fixedly connected with of steering column one side.
Preferably, a first driving wheel is arranged on one side of the first steering rod, and a plurality of first meshing teeth identical to one side of the first steering rod are arranged on the first driving wheel.
Preferably, one side of the first driving wheel is in transmission connection with a first bearing, and the first bearing is fixedly installed on the supporting rod fixing rod.
Preferably, the support rod fixing rod is in transmission connection with the first driving wheel through a first bearing, and the support rod fixing rod is fixedly connected with the support rod.
Preferably, one side of the first driving wheel is fixedly connected with a placing plate, and a small baffle is fixedly connected above one end of the placing plate.
Preferably, a graduated scale is arranged on one side of the support rod.
The invention has the beneficial effects that:
when the electronic timer is used, an article to be tested is placed on the placing plate, the third connecting rod is pulled down through the first handle, the fourth connecting rod is driven to move downwards, the first meshing tooth on one side of the first steering rod and the first meshing tooth on the first driving wheel are used for driving the first driving wheel to rotate, the placing plate is inclined, the article falls off the placing plate, one end of the third connecting rod is in contact with the second cross rod at the moment, the second cross rod is driven to move downwards, the second connecting rod is in contact with the timing button, timing is started, when the article falls on the first cross rod, the impact force enables the first cross rod to move downwards, the second cross rod is driven to contact the timing button again, timing is stopped, and the free falling body experiment result is calculated by using the scales on the graduated scale and the numbers on the display screen of the timer.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention;
fig. 3 is an enlarged schematic view of the structure at B of the present invention.
In the figure: 1. a base plate; 2. a support bar; 3. a protective shell; 4. a first cross bar; 5. a first spring; 6. a first connecting rod; 7. a first fixing rod; 8. a first sliding rod; 9. a first sliding block; 10. a first slide rail; 11. a second cross bar; 12. a second fixing rod; 13. a third fixing rod; 14. a second sliding rod; 15. a second sliding block; 16. a second sliding rail; 17. a timing button; 18. an electronic timer; 19. a timer display screen; 20. a timer connecting rod; 21. a reset button; 22. a third connecting rod; 23. a first handle; 24. a third sliding rod; 25. a third sliding block; 26. a third sliding rail; 27. a fourth connecting rod; 28. a fourth protective shell; 29. a first steering rod; 30. a first driving wheel; 31. a first bearing; 32. a support rod fixing rod; 33. a first meshing tooth; 34. placing the plate; 35. a small baffle; 36. a graduated scale; 37. a second connecting rod.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, the following technical solutions are adopted in the present embodiment: a free falling body device for physical experiments comprises a base plate 1, wherein a support rod 2 is fixedly connected to one side of the base plate 1, a first protective shell 3 is arranged on the support rod 2, a first cross rod 4 is arranged in the first protective shell 3, the size of the first cross rod 4 is smaller than that of the first protective shell 3, a plurality of first springs 5 are fixedly connected below the first cross rod 4, one end of each first spring 5 is fixedly arranged on the base plate 1, one side of the first cross rod 4 is fixedly connected with the base plate 1 through the first spring 5, a first connecting rod 6 is fixedly connected above one side of the first cross rod 4, one side of the first connecting rod 6 is fixedly connected with a first fixing rod 7, one end of the first fixing rod 7 is fixedly connected with the first cross rod 4, the first cross rod 4 is fixedly connected with the first connecting rod 6 through the first fixing rod 7, no. 7 top of dead levers No. 6 one sides fixedly connected with slide bar 8, No. 8 slide bar one side fixedly connected with sliders 9, slider 9 slidable mounting is on slide rail 10, slide bar 8 through slider 9 and slide rail 10 sliding connection, slide bar 8 is through slider 9 free slip on slide rail 10, slide rail 10 fixed mounting is in bracing piece 2 one side.
Wherein, a second cross rod 11 is fixedly connected above the first connecting rod 6, a second fixing rod 12 is fixedly connected below the second cross rod 11, one end of the second fixing rod 12 is fixedly connected with the first connecting rod 6, the first connecting rod 6 is fixedly connected with the second cross rod 11 through the second fixing rod 12, one end of the second cross rod 11 is fixedly connected with a second connecting rod 37, one side of the second connecting rod 37 is fixedly connected with a third fixing rod 13, one end of the third fixing rod 13 is fixedly connected with the second cross rod 11, the second cross rod 11 is fixedly connected with the second connecting rod 37 through the third fixing rod 13, the other side of the second connecting rod 37 is fixedly connected with a second slide rod 14, one end of the second slide rod 14 is fixedly connected with a second slide block 15, the second slide block 15 is slidably mounted on a second slide rail 16, and the second slide rod 14 is slidably connected with the second slide rail 16 through the second slide block 15, no. two slide bar 14 freely slides on No. two slide rails 16 through No. two sliders 15, No. two slide rails 16 fixed mounting is on bracing piece 2, No. two connecting rod 37 below is provided with timing button 17, timing button 17 fixed mounting is on electronic timer 18, be provided with time-recorder display screen 19 on the electronic timer 18, 18 one side fixedly connected with time-recorder connecting rod 20 of electronic timer, time-recorder connecting rod 20 and bracing piece 2 fixed connection, electronic timer 18 passes through time-recorder connecting rod 20 and bracing piece 2 fixed connection.
The electronic timer 18 is of a WSC-J0201 model, a reset button 21 is mounted on one side, opposite to a timing button 17, of the electronic timer 18, a third connecting rod 22 is arranged above the second cross rod 11, a first handle 23 is fixedly connected to one side of the third connecting rod 22, an anti-skid rubber pad is sleeved on the first handle 23, a third sliding rod 24 is fixedly connected to one side, opposite to the first handle 23, of the third connecting rod 22, a third sliding block 25 is fixedly connected to one end of the third sliding rod 24, the third sliding block 25 is slidably mounted on a third sliding rail 26, the third connecting rod 22 is slidably connected with a third sliding rail 26 through the third sliding rod 24 and the third sliding block 25, the third connecting rod 22 freely slides on the third sliding rail 26 through the third sliding rod 24 and the third sliding block 25, the third sliding rail 26 is fixedly mounted on one side of a support rod 2, no. three connecting rod 22 top one side fixedly connected with connecting rod 27 No. four, No. four connecting rod 27 and bracing piece 2 junction are provided with protective housing 28 No. four, the size of protective housing 28 No. four is greater than the size of connecting rod 27 No. four, No. four connecting rod 27 one side fixedly connected with steering column 29, a plurality of meshing teeth 33 of steering column 29 one side fixedly connected with.
A first driving wheel 30 is arranged on one side of the first steering rod 29, and a plurality of first meshing teeth 33 identical to one side of the first steering rod 29 are arranged on the first driving wheel 30.
Wherein, a bearing 31 is connected with in the transmission of a driving wheel 30 one side, a bearing 31 fixed mounting is on bracing piece dead lever 32.
The support rod fixing rod 32 is in transmission connection with the first driving wheel 30 through a first bearing 31, and the support rod fixing rod 32 is fixedly connected with the support rod 2.
A placing plate 34 is fixedly connected to one side of the first driving wheel 30, and a small baffle 35 is fixedly connected to the upper portion of one end of the placing plate 34.
Wherein, a graduated scale 36 is arranged on one side of the support rod 2.
Specifically, the method comprises the following steps: a free falling body device for physical experiments is used, firstly, an object to be tested is placed on a placing plate 34, a third connecting rod 22 is pulled down through a first handle 23, thereby driving the fourth connecting rod 27 to move downwards, so as to drive the first driving wheel 30 to rotate by utilizing the first meshing teeth 33 on the plus side of the first steering rod 3 and the first meshing teeth 33 on the first driving wheel 30, so that the placing plate 34 is inclined, the article falls off from the placing plate 34, at this time, one end of the third connecting rod 22 contacts with the second cross rod 11 to drive the second cross rod 11 to move downwards, the second connecting rod 37 is contacted with the timing button 17 to start timing, when the article falls on the first cross rod 4, the impact force makes the first cross rod 4 move downwards, thereby driving the second cross rod 11 to contact the timing button 17 again, stopping timing, and calculating the free fall experiment result by using the scales on the graduated scale 36 and the numbers on the timer display screen 19.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. A free falling body device for physical experiments comprises a base plate (1) and is characterized in that a supporting rod (2) is fixedly connected to one side of the base plate (1), a first protective shell (3) is arranged on the supporting rod (2), a first cross rod (4) is arranged in the first protective shell (3), the size of the first cross rod (4) is smaller than that of the first protective shell (3), a plurality of first springs (5) are fixedly connected to the lower portion of the first cross rod (4), one end of each first spring (5) is fixedly arranged on the base plate (1), one side of each first cross rod (4) is fixedly connected with the base plate (1) through the corresponding first spring (5), a first connecting rod (6) is fixedly connected to the upper portion of one side of the first cross rod (4), and a first fixing rod (7) is fixedly connected to one side of the corresponding connecting rod (6), one end of the first fixing rod (7) is fixedly connected with the first cross rod (4), the first cross rod (4) is fixedly connected with the first connecting rod (6) through the first fixing rod (7), one side of the first connecting rod (6) above the first fixing rod (7) is fixedly connected with the first sliding rod (8), one side of the first sliding rod (8) is fixedly connected with the first sliding block (9), the first sliding block (9) is slidably installed on the first sliding rail (10), the first sliding rod (8) is slidably connected with the first sliding rail (10) through the first sliding block (9), the first sliding rod (8) freely slides on the first sliding rail (10) through the first sliding block (9), the first sliding rail (10) is fixedly installed on one side of the supporting rod (2), the second cross rod (11) is fixedly connected with the upper side of the first connecting rod (6), and the second fixing rod (12) is fixedly connected below the second cross rod (11), one end of the second fixing rod (12) is fixedly connected with the first connecting rod (6), the first connecting rod (6) is fixedly connected with the second cross rod (11) through the second fixing rod (12), one end of the second cross rod (11) is fixedly connected with the second connecting rod (37), one side of the second connecting rod (37) is fixedly connected with the third fixing rod (13), one end of the third fixing rod (13) is fixedly connected with the second cross rod (11), the second cross rod (11) is fixedly connected with the second connecting rod (37) through the third fixing rod (13), the other side of the second connecting rod (37) is fixedly connected with the second sliding rod (14), one end of the second sliding rod (14) is fixedly connected with the second sliding block (15), the second sliding block (15) is slidably mounted on the second sliding rail (16), and the second sliding rod (14) is slidably connected with the second sliding rail (16) through the second sliding block (15), the electronic timer is characterized in that the second sliding rod (14) freely slides on the second sliding rail (16) through a second sliding block (15), the second sliding rail (16) is fixedly installed on the supporting rod (2), a timing button (17) is arranged below the second connecting rod (37), the timing button (17) is fixedly installed on an electronic timer (18), a timer display screen (19) is arranged on the electronic timer (18), a timer connecting rod (20) is fixedly connected to one side of the electronic timer (18), the timer connecting rod (20) is fixedly connected with the supporting rod (2), the electronic timer (18) is fixedly connected with the supporting rod (2) through the timer connecting rod (20), the electronic timer (18) is WSC-J0201 in model, and a reset button (21) is installed on the electronic timer (18) opposite to one side of the timing button (17), no. two horizontal pole (11) tops are provided with No. three connecting rod (22), No. three connecting rod (22) one side fixedly connected with handle (23), the cover is equipped with anti-skidding rubber pad on handle (23), No. three connecting rod (22) are for No. three slide bar (24) of one side fixedly connected with of handle (23), No. three slide bar (24) one end fixedly connected with No. three slider (25), No. three slider (25) slidable mounting is on No. three slide rail (26), No. three connecting rod (22) through No. three slide bar (24) and No. three slider (25) and No. three slide rail (26) sliding connection, No. three connecting rod (22) through No. three slide bar (24) and No. three slider (25) free slip on No. three slide rail (26), No. three slide rail (26) fixed mounting is in bracing piece (2) one side, No. three connecting rod (22) top one side fixedly connected with No. four connecting rod (27), no. four connecting rod (27) and bracing piece (2) junction are provided with No. four protective housings (28), the size of No. four protective housings (28) is greater than the size of No. four connecting rod (27), No. four connecting rod (27) one side fixedly connected with steering column (29), a plurality of meshing tooth (33) of steering column (29) one side fixedly connected with, steering column (29) one side is provided with action wheel (30), be provided with a plurality of meshing tooth (33) the same with steering column (29) one side on action wheel (30), board (34) is placed to action wheel (30) one side fixedly connected with, place board (34) one end top fixedly connected with small-size baffle (35).
2. The free-fall device for physical experiments according to claim 1, wherein: one side of the first driving wheel (30) is in transmission connection with a first bearing (31), and the first bearing (31) is fixedly installed on the supporting rod fixing rod (32).
3. A free-fall device for physical experiments, according to claim 2, wherein: the support rod fixing rod (32) is in transmission connection with the first driving wheel (30) through the first bearing (31), and the support rod fixing rod (32) is fixedly connected with the support rod (2).
4. The free-fall device for physical experiments according to claim 1, wherein: a graduated scale (36) is arranged on one side of the support rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802193.0A CN108877422B (en) | 2018-07-20 | 2018-07-20 | Free falling body device for physics experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810802193.0A CN108877422B (en) | 2018-07-20 | 2018-07-20 | Free falling body device for physics experiments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108877422A CN108877422A (en) | 2018-11-23 |
| CN108877422B true CN108877422B (en) | 2020-07-31 |
Family
ID=64303968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810802193.0A Active CN108877422B (en) | 2018-07-20 | 2018-07-20 | Free falling body device for physics experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108877422B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020070105A (en) * | 2002-02-22 | 2002-09-05 | 오성훈 | Apparatus for displaying the relation between potential energy and kinetic energy |
| CN2924691Y (en) * | 2006-07-21 | 2007-07-18 | 王乐安 | Free fall experimental device |
| CN204375274U (en) * | 2014-12-30 | 2015-06-03 | 湖南工学院 | A kind of physical teaching aid |
| CN204833833U (en) * | 2015-07-26 | 2015-12-02 | 田翊辰 | High school physics gravity experiment analogue means |
| CN206040008U (en) * | 2016-08-13 | 2017-03-22 | 徐晟淞 | Physics free fall tests analogue means |
| CN206282492U (en) * | 2016-10-24 | 2017-06-27 | 中国人民解放军镇江船艇学院 | A kind of engineering mechanics Comprehensive Experiment apparatus for demonstrating |
| CN207008928U (en) * | 2017-06-08 | 2018-02-13 | 郑诗琪 | A kind of high school physicses class experiment with falling objects apparatus for demonstrating |
| CN207473906U (en) * | 2017-06-28 | 2018-06-08 | 蔡天璐 | A kind of student high school physics free fall experimental device |
-
2018
- 2018-07-20 CN CN201810802193.0A patent/CN108877422B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020070105A (en) * | 2002-02-22 | 2002-09-05 | 오성훈 | Apparatus for displaying the relation between potential energy and kinetic energy |
| CN2924691Y (en) * | 2006-07-21 | 2007-07-18 | 王乐安 | Free fall experimental device |
| CN204375274U (en) * | 2014-12-30 | 2015-06-03 | 湖南工学院 | A kind of physical teaching aid |
| CN204833833U (en) * | 2015-07-26 | 2015-12-02 | 田翊辰 | High school physics gravity experiment analogue means |
| CN206040008U (en) * | 2016-08-13 | 2017-03-22 | 徐晟淞 | Physics free fall tests analogue means |
| CN206282492U (en) * | 2016-10-24 | 2017-06-27 | 中国人民解放军镇江船艇学院 | A kind of engineering mechanics Comprehensive Experiment apparatus for demonstrating |
| CN207008928U (en) * | 2017-06-08 | 2018-02-13 | 郑诗琪 | A kind of high school physicses class experiment with falling objects apparatus for demonstrating |
| CN207473906U (en) * | 2017-06-28 | 2018-06-08 | 蔡天璐 | A kind of student high school physics free fall experimental device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108877422A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103985285A (en) | Method and device for measuring attention range | |
| CN108620153A (en) | A kind of experimental bench carrying out a variety of Physical Experiments | |
| CN108877422B (en) | Free falling body device for physics experiments | |
| CN206021688U (en) | Physics inclined-plane motion simulation demonstrating apparatus | |
| CN204699410U (en) | A kind of multi-functional starting unit | |
| CN203587458U (en) | Electronic tester for compression resilience of silk wadding quilt | |
| CN218331688U (en) | Testing device for chip pins | |
| CN215640579U (en) | Rubber tension testing device | |
| CN111879660B (en) | Physical teaching experiment display system | |
| CN103604709A (en) | Electronic type silk wadding quilt compression resilience tester | |
| CN203561563U (en) | Device for testing falling intensity of lead-acid storage battery | |
| CN201311367Y (en) | IC card stand durability tester | |
| CN204129083U (en) | A kind of frock detecting 090-590000-22TV board detects pin platform | |
| CN103777042B (en) | Ascending-type circuit board tester | |
| CN209928742U (en) | Novel elasticity demonstration for physical teaching device | |
| CN202886558U (en) | Low voltage switch mechanical performance detection device | |
| CN202083616U (en) | Peeling strength testing machine for pressure-sensitive adhesive | |
| CN203239549U (en) | Test stand for electronic vacuum pump | |
| CN206248484U (en) | A kind of steel ball drop test device | |
| CN212059741U (en) | Electric wire low temperature impact testing device | |
| CN201638425U (en) | Friction demonstrator | |
| CN87207716U (en) | Moveable mark spring scale | |
| CN209400661U (en) | A kind of beet washer circuit board testing instrument | |
| CN211124618U (en) | Hand-driven digital display type friction force comprehensive experiment device | |
| CN211193622U (en) | Display card test board clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200708 Address after: 318020, Zhejiang, Taizhou province Huangyan Xicheng street after foreign mold City Applicant after: ZHEJIANG SGSO TECHNOLOGY Co.,Ltd. Address before: 528000 Former Exhibition Room of Former Trade Union Office on the 4th Floor of Tongji West Campus Library of Science and Technology College of Chancheng District, Foshan City, Guangdong Province Applicant before: FOSHAN KEFENG CULTURE COMMUNICATION Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: Room 05, 27th Floor, Building 1, Guannan Fuxing Pharmaceutical Park, No. 58 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 (Wuhan Area of Free Trade Zone) Patentee after: Wuhan Anchenxin Information Technology Co.,Ltd. Country or region after: China Address before: 318020 Houyang mould City, Huangyan Xicheng street, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG SGSO TECHNOLOGY CO.,LTD. Country or region before: China |