CN216450272U - Current dynamic simulation demonstration teaching aid - Google Patents
Current dynamic simulation demonstration teaching aid Download PDFInfo
- Publication number
- CN216450272U CN216450272U CN202122836166.5U CN202122836166U CN216450272U CN 216450272 U CN216450272 U CN 216450272U CN 202122836166 U CN202122836166 U CN 202122836166U CN 216450272 U CN216450272 U CN 216450272U
- Authority
- CN
- China
- Prior art keywords
- demonstration
- uncovered
- fixed
- box body
- teaching aid
- 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
- 238000005094 computer simulation Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 230000005520 electrodynamics Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Landscapes
- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model provides a current dynamic simulation demonstration teaching aid, which comprises a uncovered protective box body, a demonstration panel, a storage battery and a fixed rack, wherein an inner fixed plate is transversely fixed at the lower end of the middle inside the uncovered protective box body, electric telescopic rods are longitudinally arranged at the left side and the right side of the lower end inside the uncovered protective box body, the demonstration panel is positioned inside the uncovered protective box body, a supporting plate is transversely arranged on the lower end surface of the demonstration panel, the upper ends of the two electric telescopic rods penetrate through the inner fixed plate and are fixedly connected with the left side and the right side of the lower end surface of the supporting plate, and a plurality of semicircular grooves are symmetrically formed in the left side and the right side of the uncovered protective box body from top to bottom. The use convenience is good.
Description
Technical Field
The utility model relates to a current dynamic simulation demonstration teaching aid, belonging to the technical field of demonstration teaching aid equipment.
Background
The explanation to the electric current formation in the physics classroom of junior middle school now can only explain through the textbook, does not have corresponding teaching aid and can demonstrate the removal of electric current electron in order to help the student to understand the formation of electric current, leads to the student to understand the degree of difficulty to this knowledge point of electric current formation greatly.
Patent documents: CN209859438U published japanese 2019-12-27 discloses a current formation demonstration teaching aid, which can clearly demonstrate the current flowing direction and the electronic moving direction by controlling the on-off of a current flowing demonstration lamp strip and an electronic moving demonstration lamp strip, a key controls the on-off of the main circuit current, a bulb keeps emitting light when the lamp strip is lighted, and can effectively assist students in understanding the formation of current and the reverse movement of current electrons, a demonstration panel of the device is arranged on a support, the bottom of the demonstration panel is supported by the support, and a lockable universal wheel is arranged at the bottom of the support; however, the device is not provided with a protection mechanism, so that accidents are easy to happen in places with many students, and the storage and the movement are inconvenient ordinarily, so that a teaching aid for simulating and demonstrating the current dynamically is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a current dynamic simulation demonstration teaching aid to solve the problems in the background art.
In order to realize the purpose, the utility model is realized by the following technical scheme: a current dynamic simulation demonstration teaching aid comprises a coverless protection box body, a demonstration panel, a storage battery and fixed racks, wherein an inner fixed plate is transversely fixed at the middle lower end in the coverless protection box body, electric telescopic rods are longitudinally arranged at the left side and the right side of the lower end in the coverless protection box body, the demonstration panel is positioned in the coverless protection box body, a supporting plate is transversely arranged on the lower end face of the demonstration panel, the upper ends of the two electric telescopic rods penetrate through the inner fixed plate and are fixedly connected with the left side and the right side of the lower end face of the supporting plate, a plurality of semicircular grooves are symmetrically formed in the left side and the right side in the coverless protection box body from top to bottom, fixed shafts are arranged in the middle of the inner parts of the semicircular grooves, fixed bearings are sleeved on annular side faces of the fixed shafts, limit guide gears are fixed on the annular side faces of the fixed bearings, and the fixed racks are arranged in an equal-scale manner, two fixed rack all is located uncovered protection box inside, and longitudinal fixation respectively is in the demonstration panel left and right sides, the battery sets up the inside left lower extreme of uncovered protection box.
Further, two fixed rack meshes with a plurality of spacing leading gears mutually respectively, and the small-size terminal surface under the fixed rack in left side of pressing the setting of piece, the switch setting is closed to the click formula in inside fixed plate up end left side, the small-size piece of pressing is closed with the click formula and is connected.
Further, click formula closing switch passes through the wire and is connected with the battery, the battery charges the mouth and sets up in uncovered protection box left end downside, and battery charges mouth, battery and two electric telescopic handle and passes through the electric wire and connect.
Further, the current flow demonstration lamp belt is arranged on the front end face of the demonstration panel, and the current flow demonstration lamp belt is connected with external control equipment through a wire.
Furthermore, uncovered protection box left end face upside transversely is seted up flutedly, and transversely drags to draw the handle to fix in the recess, and rubber sleeve cover is in transversely dragging and draws handle bracelet shape side.
Furthermore, the landing leg setting is at terminal surface corner all around under the uncovered protective housing, and the band pulley is stopped and is removed the wheel setting and terminal surface under a plurality of landing legs.
The utility model has the beneficial effects that: according to the current dynamic simulation demonstration teaching aid, the uncovered protection box body, the electric telescopic rod, the internal fixing plate, the click type closing switch, the fixed rack, the storage battery, the small pressing block, the fixed shaft, the fixed bearing and the limiting guide gear are added, so that the demonstration panel can stably retract into the uncovered protection box body for protection when not in use, accidents are not easy to happen, the use convenience is good, and the supporting legs, the belt wheel brake moving wheel and the transverse pulling handle are arranged, so that the device is convenient to move and store.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of an electric current dynamic simulation demonstration teaching aid of the utility model;
FIG. 2 is a schematic cross-sectional view of an electro-dynamic simulation demonstration teaching aid according to the present invention;
FIG. 3 is a schematic top view of an electro-dynamic simulation demonstration teaching aid according to the present invention;
FIG. 4 is a partially enlarged schematic view of an electro-dynamic simulation demonstration teaching aid according to the present invention;
in the figure: the device comprises a 1-uncovered protective box body, 11-supporting legs, 12-belt wheel brake moving wheels, 13-internal fixing plates, 2-demonstration panels, 21-current flowing demonstration lamp belts, 22-supporting plates, 3-transverse pulling handles, 4-electric telescopic rods, 5-storage batteries, 51-storage battery charging ports, 52-click type closing switches, 6-fixed racks, 61-small pressing blocks, 62-semicircular grooves, 63-fixed shafts, 64-fixed bearings and 65-limit guide gears.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a current dynamic simulation demonstration teaching aid comprises a coverless protection box body 1, a demonstration panel 2, a storage battery 5 and a fixed rack 6, wherein an inner fixed plate 13 is transversely fixed at the lower end in the middle of the interior of the coverless protection box body 1, electric telescopic rods 4 are longitudinally arranged at the left side and the right side of the lower end in the interior of the coverless protection box body 1, the demonstration panel 2 is positioned in the coverless protection box body 1, a supporting plate 22 is transversely arranged on the lower end face of the demonstration panel 2, the upper ends of the two electric telescopic rods 4 penetrate through the inner fixed plate 13 and are fixedly connected with the left side and the right side of the lower end face of the supporting plate 22, a plurality of semicircular grooves 62 are symmetrically arranged at the left side and the right side of the interior of the coverless protection box body 1 from top to bottom, fixed shafts 63 are respectively arranged in the middle of the interior of the semicircular grooves 62, fixed bearings 64 are sleeved on the annular side faces of the fixed shafts 63, and limit guide gears 65 are respectively fixed on the annular side faces of the fixed bearings 64, the specification such as fixed rack 6 is provided with two, and two fixed racks 6 all are located uncovered protection box 1 inside, and vertically fix respectively in the demonstration panel 2 left and right sides, and battery 5 sets up at the inside left lower extreme of uncovered protection box 1, and original device has been solved in this design does not possess protection machanism, easily in the local emergence accident that the student is many, and usually deposit the comparatively inconvenient problem of removal.
Two fixed racks 6 mesh with a plurality of spacing guide gear 65 respectively, and small-size press block 61 setting terminal surface under the fixed rack 6 in left side, click formula closing switch 52 sets up in the terminal surface left side on internal fixation board 13, small-size press block 61 is connected with click formula closing switch 52 is pasted mutually, fixed rack 6 through setting meshes with a plurality of spacing guide gear 65 mutually, can assist demonstration panel 2 and be driven by two electric telescopic handle 4 and reciprocate, and make demonstration panel 2 reciprocate more stably.
Click type closes switch 52 and is connected with battery 5 through the wire, battery charge mouthful 51 is seted up at uncovered protection box 1 left end downside, and battery charge mouthful 51, battery 5 and two electric telescopic handle 4 are connected through the electric wire, press the small-size press block 61 through the setting and press click type to close switch 52, can contract back self-closing when two electric telescopic handle 4 are accomplished to the back, make demonstration panel 2 can retract inside uncovered protection box 1 completely.
Current flow demonstration lamp area 21 sets up terminal surface before demonstration panel 2, and current flow demonstration lamp area 21 passes through the wire to be connected with external control device, and through the current flow demonstration lamp area 21 and the demonstration panel 2 that set up, the user of being convenient for controls the simulation through external control device and uses it.
The left end face upside of the uncovered protective box body 1 is transversely provided with a groove, the pulling handle 3 is transversely pulled and fixed in the groove, the annular side face of the pulling handle 3 is transversely pulled through the rubber sleeve, the pulling handle 3 is transversely pulled through the setting, and the user of convenience pulls the device to move and place.
As an embodiment of the present invention: firstly pulling a transverse pulling handle 3 to pull the device to a place to be used, then braking and opening a plurality of belt wheel brake moving wheels 12, then controlling two electric telescopic rods 4 to extend through an external control device, then driving a demonstration panel 2 to move upwards through a supporting plate 22 until the demonstration panel 2 completely extends out of the uncovered protection box body 1, stopping the electric telescopic rods 4, then controlling and using a current flowing demonstration lamp belt 21 and the demonstration panel 2 (in the process, two fixed racks 6 can move upwards and are meshed with a plurality of limit guide gears 65, so that the plurality of limit guide gears 65 rotate along with each other, the demonstration panel 2 can move up and down more stably), after the current flowing demonstration lamp belt 21 and the demonstration panel 2 are used, controlling the two electric telescopic rods 4 to retract, and the demonstration panel 2 can retract into the uncovered protection box body 1 along with each other, two fixed racks 6 will follow and remove, and when demonstration panel 2 retracted completely uncovered protection box 1 was inside, the small-size press block 61 of the fixed rack 6 lower extreme in left side can contact and press click formula closing switch 52 to make two electric telescopic handle 4 self-closing, stop a plurality of band pulleys and remove wheel 12 and stop and close after that, the pulling transversely drags pull handle 3 and can be with this device pulling to all the other places.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an electric current dynamic simulation demonstration teaching aid, includes uncovered protection box (1), demonstration panel (2), battery (5) and fixed rack (6), its characterized in that: an inner fixing plate (13) is transversely fixed at the lower middle end inside the uncovered protective box body (1), electric telescopic rods (4) are longitudinally arranged on the left side and the right side of the lower end inside the uncovered protective box body (1), the demonstration panel (2) is positioned inside the uncovered protective box body (1), a supporting plate (22) is transversely arranged on the lower end face of the demonstration panel (2), the upper ends of the two electric telescopic rods (4) penetrate through the inner fixing plate (13) and are fixedly connected with the left side and the right side of the lower end face of the supporting plate (22), a plurality of semicircular grooves (62) are symmetrically arranged on the left side and the right side of the inside of the uncovered protective box body (1) from top to bottom, fixing shafts (63) are arranged in the middles inside of the semicircular grooves (62), fixed bearings (64) are sleeved on the annular side faces of the fixing shafts (63), and limiting guide gears (65) are fixed on the annular side faces of the fixed bearings (64), fixed rack (6) isotacticity is provided with two, two fixed rack (6) all are located inside uncovered protection box (1), and vertically fix respectively in demonstration panel (2) the left and right sides, battery (5) set up at the inside left lower extreme of uncovered protection box (1).
2. An electro-dynamic simulation demonstration teaching aid according to claim 1, characterized in that: two fixed rack (6) mesh with a plurality of spacing leading gear (65) respectively mutually, and the terminal surface is provided with small-size according to briquetting (61) under the fixed rack in left side (6), inside fixed plate (13) up end left side is provided with click type and closes switch (52), small-size according to briquetting (61) and click type and close switch (52) and paste and be connected mutually.
3. An electro-dynamic simulation demonstration teaching aid according to claim 2, characterized in that: click formula closing switch (52) is connected with battery (5) through the wire, battery charge mouth (51) have been seted up to uncovered protection box (1) left end downside, and battery charge mouth (51), battery (5) and two electric telescopic handle (4) are connected through the electric wire.
4. An electro-dynamic simulation demonstration teaching aid according to claim 1, characterized in that: the demonstration panel (2) is characterized in that a current flowing demonstration lamp strip (21) is arranged on the front end face of the demonstration panel, and the current flowing demonstration lamp strip (21) is connected with external control equipment through a wire.
5. An electro-dynamic simulation demonstration teaching aid according to claim 1, characterized in that: a groove is transversely formed in the upper side of the left end face of the uncovered protective box body (1), a transverse pulling handle (3) is fixed in the groove, and a rubber sleeve is sleeved on the annular side face of the transverse pulling handle (3).
6. An electro-dynamic simulation demonstration teaching aid according to claim 1, characterized in that: the corner all around of terminal surface all is provided with landing leg (11) under uncovered protective housing body (1), and terminal surface all is provided with band pulley and stops removal wheel (12) under a plurality of landing legs (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836166.5U CN216450272U (en) | 2021-11-19 | 2021-11-19 | Current dynamic simulation demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836166.5U CN216450272U (en) | 2021-11-19 | 2021-11-19 | Current dynamic simulation demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216450272U true CN216450272U (en) | 2022-05-06 |
Family
ID=81354250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122836166.5U Expired - Fee Related CN216450272U (en) | 2021-11-19 | 2021-11-19 | Current dynamic simulation demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216450272U (en) |
-
2021
- 2021-11-19 CN CN202122836166.5U patent/CN216450272U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207676538U (en) | A kind of Financial Economics teaching display board | |
| CN205318694U (en) | But height -adjusting's rotation type mathematic model display device | |
| CN216450272U (en) | Current dynamic simulation demonstration teaching aid | |
| CN210271577U (en) | Be used for thinking political affairs education publicity column | |
| CN209471583U (en) | A kind of human resources instructional device | |
| CN204242452U (en) | A kind of equipment being convenient to teaching demonstration | |
| CN207008903U (en) | A kind of Chinese teaching magic board | |
| CN110766994A (en) | Teaching aid for advanced mathematic differential teaching | |
| CN211294333U (en) | Auxiliary teaching aid for resource development of remote education micro-lessons | |
| CN211529326U (en) | Teaching aid for physics experiments | |
| CN208429404U (en) | Portable multimedia education device | |
| CN210804959U (en) | Simulation court model for law teaching | |
| CN206249670U (en) | A kind of Process in Pharmacology Teaching equipment | |
| CN207010280U (en) | A kind of portable power source with releasing box | |
| CN211906669U (en) | English translation teaching presentation device | |
| CN204303302U (en) | A kind of ideological and political propaganda plate | |
| CN213424317U (en) | Multi-kinetic energy display device for education teaching | |
| CN211857833U (en) | Music reading device for music teaching | |
| CN203366553U (en) | Displaying device for English teaching | |
| CN203013207U (en) | Removable multifunctional student assistant preaching machine | |
| CN216719275U (en) | Interactive teaching equipment is used in english teaching | |
| CN204463488U (en) | Chinese literature aided education Graphic Panel | |
| CN207008884U (en) | A kind of physics teaching demonstrator | |
| CN208984934U (en) | The portable 3-dimensional image projection arrangement of pyramid | |
| CN215873965U (en) | Teaching aid storage device universal for Chinese and sports |
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: 20220506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |