CN212966723U - Electromagnetism experiment demonstration teaching aid - Google Patents
Electromagnetism experiment demonstration teaching aid Download PDFInfo
- Publication number
- CN212966723U CN212966723U CN202022327579.6U CN202022327579U CN212966723U CN 212966723 U CN212966723 U CN 212966723U CN 202022327579 U CN202022327579 U CN 202022327579U CN 212966723 U CN212966723 U CN 212966723U
- Authority
- CN
- China
- Prior art keywords
- teaching aid
- seat
- conductive
- electrically conductive
- wall
- 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
Images
Abstract
The utility model discloses an electromagnetism experiment demonstration teaching aid, which comprises a teaching aid seat and an insulating non-slip mat, the insulating non-slip mat is arranged at the lower end of the teaching aid seat, the outer wall of the teaching aid seat close to the upper end of the left front corner is provided with a conductive fixing sheet A, the outer wall of the teaching aid seat close to the upper end of the left front corner is provided with a conductive fixing sheet B, by adding a novel reinforcing and jointing device on the electrified knife switch of the electromagnetic experiment demonstration teaching aid, when the electrified switch blade and the switch blade closed seat are closed and electrified, the novel reinforcing and jointing device can increase the jointing firmness and the electrifying stability of the jointed electrified switch blade and the switch blade closed seat, prevent the closed electrified switch blade and the switch blade closed seat from loosening to influence the electrifying stability of the electromagnetic experiment demonstration teaching aid, therefore, the blade closing seat can be prevented from being loosened due to aging and high use frequency to influence the normal use of the blade closing seat.
Description
Technical Field
The utility model belongs to the technical field of the teaching aid is relevant, concretely relates to electromagnetism experiment demonstration teaching aid.
Background
Electromagnetism is a branch of physics for studying the laws and applications of electromagnetic phenomena, originated in the 18 th century, and is a branch of physics that can be said to include electricity and magnetism, but is a narrow discipline for studying the interaction between electricity and magnetism, mainly studying electromagnetic waves, electromagnetic fields, and the dynamics of charged objects, etc., electromagnetism is a branch of physics for studying the interaction between electricity, magnetism, and both, and its laws and applications, and from the viewpoint of modern physics, the magnetic phenomena are generated by moving charges, and thus the contents of magnetism are necessarily included to different degrees in the electricity range. Therefore, the contents of electromagnetism and electricity are difficult to be clearly divided, and "electricity" is sometimes referred to as "electromagnetism".
The prior electromagnetic experiment demonstration teaching aid technology has the following problems: present electromagnetism experiment demonstration teaching aid is especially when reaching electromagnetism experiment purpose through circular telegram for the experiment bulb, when circular telegram, need be closed to the circular knife switch on the closed seat of switch on the circular knife switch, make and form into the circular telegram return circuit on the whole teaching aid, then the luminous circumstances of accessible bulb carries out electromagnetism experiment result and judges this moment, but then can cause the closed seat of switch on easily to produce after circular telegram switch on more with the closed number of times of switch on the closed seat of switch on the switch on.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electromagnetism experiment demonstration teaching aid, in order to solve the circular telegram that proposes in the above-mentioned background art when going on, need be closed to the circular telegram plug-in strip to plug-in strip closure seat, make to form the circular telegram return circuit on the whole teaching aid, then the luminous condition of accessible bulb carries out electromagnetism experimental result and judges this moment, but then can cause plug-in strip closure seat to produce not hard up easily after circular telegram plug-in strip and plug-in strip closure seat closure number of times is more, then can influence the problem of the circular telegram stability between plug-in strip closure seat and the circular telegram plug-in strip like this.
In order to achieve the above object, the utility model provides a following technical scheme: an electromagnetism experiment demonstration teaching aid comprises a teaching aid seat and an insulating non-slip mat, wherein the insulating non-slip mat is installed at the lower end of the teaching aid seat, a conductive fixing sheet A is arranged on the outer wall of the upper end, close to the front left corner, of the teaching aid seat, a conductive fixing sheet B is arranged on the outer wall of the upper end, close to the rear left corner, of the teaching aid seat, a knife closing seat is arranged on the outer wall of the upper end, far away from the left, of the conductive fixing sheet A, a knife connecting seat is arranged on the outer wall of the upper end, far away from the left, a power-on knife is arranged on the knife connecting seat, a reinforcing and laminating device is sleeved on the power-on knife, a bulb connecting seat is arranged on the right side of the conductive fixing sheet A, a battery box is arranged on the right side of the conductive fixing sheet B, a built-in battery is arranged inside, consolidate laminating device and consolidate the shell fragment including electrically conductive fixed cover, the conductive clamping piece B of the conductive clamping piece A, L type of L type and semicircle, electrically conductive fixed cover cup joints and is close to the upside outside at the circular telegram plug-in strip, electrically conductive fixed cover is provided with the conductive clamping piece A of L type and the conductive clamping piece B of L type on the both ends outer wall about the top respectively, all be provided with the semicircle on the right-hand member inner wall of the conductive clamping piece A of L type and on the left end inner wall of the conductive clamping piece B of L type and consolidate the shell fragment.
Preferably, the insulating non-slip mat is made of insulating soft rubber, and the insulating non-slip mat is fixedly connected with the teaching aid seat through an adhesive.
Preferably, electrically conductive stationary blade A, electrically conductive stationary blade B, bulb connecting seat and battery case all pass through the screw and install the upper end at the teaching aid seat, electrically conductive stationary blade A and electrically conductive stationary blade B all adopt the brass to make.
Preferably, the surfaces of the electrified knife switch and the two semicircular reinforcing elastic pieces are polished, and one ends of the two semicircular reinforcing elastic pieces are fixedly connected with the L-shaped conductive clamping piece A and the L-shaped conductive clamping piece B respectively through welding.
Preferably, the top end of the electrified knife switch is further sleeved with an insulating operating sleeve, and the insulating operating sleeve is made of insulating and flame-retardant plastic.
Preferably, the internal battery inside the battery case is a No. five alkaline battery.
Compared with the prior art, the utility model provides an electromagnetism experiment demonstration teaching aid possesses following beneficial effect:
1. the utility model discloses an it has a neotype reinforcement laminating device to increase on the circular telegram plug-in strip of this electromagnetism experiment demonstration teaching aid, and after circular telegram plug-in strip and plug-in strip closed seat closed circular telegram, this neotype reinforcement laminating device can increase the laminating fastness and the circular telegram stability of circular telegram plug-in strip and plug-in strip closed seat that the laminating is in the same place this moment, prevent to close and produce between circular telegram plug-in strip and the plug-in strip closed seat not hard up and influence the circular telegram stability of this electromagnetism experiment demonstration teaching aid, can prevent like this that the plug-in strip closed seat from producing not hard up because ageing and frequency of use from influencing its self normal use, and once the whole electromagnetism experiment demonstration teaching aid of experiment can keep stable always when using and can be more perfect show the electromagnetism experiment for the student;
2. the reinforcing and laminating device of the utility model is mainly sleeved and fixed on the electrified knife switch through the conductive fixing sleeve, the L-shaped conductive clamping piece A and the L-shaped conductive clamping piece B are respectively connected with the left end and the right end of the conductive fixing sleeve, so that a U-shaped jacket is formed between the L-shaped conductive clamping piece A and the L-shaped conductive clamping piece B after the installation, therefore, after the electrified switch blade is connected with the switch blade closed seat in a closed manner, the conductive fixing sleeve can be completely attached to the switch blade closed seat, the L-shaped conductive clamping piece A and the L-shaped conductive clamping piece B can be firmly attached to the outer walls of the left end and the right end of the knife switch closed seat respectively through the elasticity of the L-shaped conductive clamping piece A and the L-shaped conductive clamping piece B, thereby can make firm stable closure be in the same place between circular telegram plug-in strip and the plug-in strip closure seat, not only can increase the circular telegram stability of whole electromagnetism experiment demonstration teaching aid when experimenting like this, also can increase the experiment accuracy nature of electromagnetism experiment simultaneously.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of an electromagnetic experiment demonstration teaching aid provided by the utility model;
fig. 2 is a schematic view of a three-dimensional structure of the reinforcing and laminating device provided by the present invention;
in the figure: 1. a teaching aid base; 2. an insulating anti-skid pad; 3. a bulb connecting base; 4. a power-on wire; 5. a conductive fixing sheet A; 6. a knife closing seat; 7. reinforcing the laminating device; 8. electrifying a knife switch; 9. a knife connecting seat; 10. a conductive fixing sheet B; 11. a battery case; 12. a built-in battery; 13. a conductive fixing sleeve; 14. an L-shaped conductive clip A; 15. an L-shaped conductive clip B; 16. the semicircle reinforces the shell fragment.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an electromagnetism experiment demonstration teaching aid comprises a teaching aid seat 1 and an insulating non-slip mat 2, wherein the insulating non-slip mat 2 is installed at the lower end of the teaching aid seat 1, the insulating non-slip mat 2 is made of insulating soft rubber, the insulating non-slip mat 2 and the teaching aid seat 1 are fixedly connected through an adhesive, a conductive fixing sheet A5 is arranged on the outer wall of the upper end of the teaching aid seat 1 close to the left front corner, a conductive fixing sheet B10 is arranged on the outer wall of the upper end of the teaching aid seat 1 close to the left rear corner, a switch blade closing seat 6 is arranged on the outer wall of the upper end of the leftmost side of the conductive fixing sheet A5, a switch blade connecting seat 9 is arranged on the outer wall of the upper end of the leftmost side of the conductive fixing sheet B10, a switch blade 8 is arranged on the switch blade connecting seat 9, an insulating operation sleeve is further sleeved at the top end of the switch blade 8, the insulating operation sleeve is made of insulating and, thus, the use safety of the whole teaching aid can be improved, the reinforcing and bonding device 7 is sleeved outside the electrifying switch blade 8 close to the upper side, the bulb connecting seat 3 is arranged on the right side of the conductive fixing piece A5, the battery box 11 is arranged on the right side of the conductive fixing piece B10, the built-in battery 12 is arranged inside the battery box 11, the built-in battery 12 inside the battery box 11 is a No. five alkaline battery, the No. five alkaline battery can be replaced by another new battery after no electricity is used, the cost of the built-in battery 12 of the No. five alkaline battery is low, so that the test purpose can be achieved, the use cost of the test cannot be increased, electrifying conducting wires 4 are connected between the conductive fixing piece A5 and the bulb connecting seat 3, between the bulb connecting seat 3 and the battery box 11 and between the battery box 11 and the conductive fixing piece B10, the conductive fixing piece A5, the conductive fixing, conductive fixing piece A5 and conductive fixing piece B10 all adopt the brass to make, and the brass material can have excellent electrically conductive effect, also can reduce the loss rate when the electric current carries simultaneously.
An electromagnetism experiment demonstration teaching aid, a reinforcement laminating device 7 comprises a conductive fixing sleeve 13, an L-shaped conductive clamping piece A14, an L-shaped conductive clamping piece B15 and semicircular reinforcement elastic pieces 16, the conductive fixing sleeve 13 is sleeved outside an electrified switch 8 close to the upper side, the outer walls of the left end and the right end of the uppermost side of the conductive fixing sleeve 13 are respectively provided with an L-shaped conductive clamping piece A14 and an L-shaped conductive clamping piece B15, the inner wall of the right end of the L-shaped conductive clamping piece A14 and the inner wall of the left end of the L-shaped conductive clamping piece B15 are respectively provided with the semicircular reinforcement elastic pieces 16, the surfaces of the electrified switch 8 and the two semicircular reinforcement elastic pieces 16 are both polished, one end of the two semicircular reinforcement elastic pieces 16 is respectively and fixedly connected with the L-shaped conductive clamping piece A14 and the L-shaped conductive clamping piece B15 through welding, the lamination stability between the electrified switch 8 and the switch closed seat 6 can be increased after the electrified switch 8 and the switch closed through polishing treatment, so, after circular telegram plug-in strip 8 and the closed connection of plug-in strip closeout seat 6, the fixed cover 13 of electrically conducting this moment can be complete with the complete laminating of plug-in strip closeout seat 6, and L type electrically conductive clamping piece A14 and the electrically conductive clamping piece B15 of L type then can be through self elasticity and firm laminating respectively on plug-in strip closeout seat 6 controls both ends outer wall, thereby can make firm stable closure be in the same place between circular telegram plug-in strip 8 and the plug-in strip closeout seat 6, so not only can increase the circular telegram stability of whole electromagnetism experiment demonstration teaching aid when testing, also can increase the experiment accuracy nature of electromagnetism experiment simultaneously.
The utility model discloses a theory of operation and use flow: after the electromagnetic experiment demonstration teaching aid is installed, when the electromagnetic experiment demonstration teaching aid is used, firstly, the conductive fixing sheet A5 and the bulb connecting seat 3, the bulb connecting seat 3 and the battery box 11 as well as the battery box 11 and the conductive fixing sheet B10 are electrically connected in series by using the electrifying lead 4, then, the built-in battery 12 needs to be distinguished into the positive and negative poles and is installed in the battery box 11, then, the whole electromagnetic experiment demonstration teaching aid needs to be placed on an experiment table through the insulating anti-skidding pad 2 at the bottom of the teaching aid seat 1, then, the experiment bulb needs to be installed on the bulb connecting seat 3, then, the electrifying switch 8 needs to be rotated and is in closed connection with the switch closing seat 6, after the electrifying switch 8 is closed and electrified, an electrifying loop is formed on the electromagnetic experiment demonstration teaching aid, and the installed bulb is electrified once formed, therefore, the bulb emits light, whether the power-on loop is powered on or not can be visually judged by judging whether the bulb emits light or not, and the purpose of an electromagnetism experiment is achieved.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electromagnetism experiment demonstration teaching aid, includes teaching aid seat (1) and insulating slipmat (2), its characterized in that: the insulation non-slip mat (2) is installed at the lower end of a teaching aid seat (1), a conductive fixing piece A (5) is arranged on the outer wall of the upper end of the teaching aid seat (1) close to the left front corner, a conductive fixing piece B (10) is arranged on the outer wall of the upper end of the left rear corner close to the teaching aid seat (1), a knife closing seat (6) is arranged on the outer wall of the upper end of the leftmost side of the conductive fixing piece A (5), a knife connecting seat (9) is arranged on the outer wall of the upper end of the leftmost side of the conductive fixing piece B (10), a power-on knife (8) is arranged on the knife connecting seat (9), a reinforcing and laminating device (7) is sleeved on the outside of the power-on knife (8) close to the upper side, a bulb connecting seat (3) is arranged on the right side of the conductive fixing piece A (5), a battery box (11) is arranged, all be connected with circular telegram wire (4) between electrically conductive stationary blade A (5) and bulb connecting seat (3), bulb connecting seat (3) and battery case (11) and electrically conductive stationary blade B (10), it consolidates shell fragment (16) including electrically conductive fixed cover (13), the electrically conductive clamping piece A of L type (14), the electrically conductive clamping piece B of L type (15) and semicircle to consolidate laminating device (7), electrically conductive fixed cover (13) cup joint and are close to the upside outside in circular telegram plug-in strip (8), be provided with electrically conductive clamping piece A of L type (14) and electrically conductive clamping piece B of L type (15) on the outer wall of both ends about electrically conductive fixed cover (13) the top respectively, all be provided with semicircle reinforcement shell fragment (16) on the right-hand member inner wall of electrically conductive clamping piece A of L type (14) and on the left end inner wall of.
2. An electromagnetism experiment demonstration teaching aid according to claim 1, characterized in that: the insulating non-slip mat (2) is made of insulating soft rubber, and the insulating non-slip mat (2) is fixedly connected with the teaching aid seat (1) through an adhesive.
3. An electromagnetism experiment demonstration teaching aid according to claim 1, characterized in that: conductive stator A (5), conductive stator B (10), bulb connecting seat (3) and battery case (11) all install the upper end in teaching aid seat (1) through the screw, conductive stator A (5) and conductive stator B (10) all adopt the brass to make.
4. An electromagnetism experiment demonstration teaching aid according to claim 1, characterized in that: the surfaces of the electrified switch blade (8) and the two semicircular reinforcing elastic sheets (16) are polished, and one ends of the two semicircular reinforcing elastic sheets (16) are fixedly connected with the L-shaped conductive clamping sheet A (14) and the L-shaped conductive clamping sheet B (15) respectively through welding.
5. An electromagnetism experiment demonstration teaching aid according to claim 1, characterized in that: the top end of the electrified knife switch (8) is also sleeved with an insulating operating sleeve, and the insulating operating sleeve is made of insulating and flame-retardant plastic.
6. An electromagnetism experiment demonstration teaching aid according to claim 1, characterized in that: the built-in battery (12) in the battery box (11) is a number five alkaline battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327579.6U CN212966723U (en) | 2020-10-19 | 2020-10-19 | Electromagnetism experiment demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022327579.6U CN212966723U (en) | 2020-10-19 | 2020-10-19 | Electromagnetism experiment demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212966723U true CN212966723U (en) | 2021-04-13 |
Family
ID=75372137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022327579.6U Expired - Fee Related CN212966723U (en) | 2020-10-19 | 2020-10-19 | Electromagnetism experiment demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212966723U (en) |
-
2020
- 2020-10-19 CN CN202022327579.6U patent/CN212966723U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3085569A1 (en) | Control box for electric vehicle charger | |
| JP5592536B2 (en) | Electric car charger | |
| JP6168447B2 (en) | Power supply control device | |
| CN204927677U (en) | Intelligence wrist -watch charger and connector thereof | |
| CN104078930B (en) | Power supply control device | |
| CN205303784U (en) | Electric installation is got to waterproof type of totally enclosed protection against electric shock | |
| CN201063318Y (en) | External relay remaining by magnetism | |
| KR101635135B1 (en) | Wireless charging receiver module | |
| CN212966723U (en) | Electromagnetism experiment demonstration teaching aid | |
| CN205752055U (en) | Chopper and the power taking structure of electric accessories | |
| CN204351439U (en) | A kind of self power generation heating chair cushion | |
| CN205248855U (en) | Charge and prevent slow -witted structure | |
| CN212909520U (en) | Communication line maintenance signal detection equipment | |
| CN211195876U (en) | Power distribution device and vehicle with same | |
| KR20130141270A (en) | Inlet for electric vehicle | |
| CN208489431U (en) | A kind of water-proof type wall is slotting and connects electric equipment | |
| CN208678384U (en) | A kind of electronic building blocks for being easy to splice | |
| CN110829612A (en) | Wireless charging system, wireless charger and electronic equipment | |
| CN204028206U (en) | Portable type current table | |
| CN103489577B (en) | The magnet structure of electromagnetic induction plugs and sockets | |
| CN208423098U (en) | Battery wire-controlled apparatus and battery system | |
| CN204260345U (en) | A kind of self power generation air blowing chair seat cushion | |
| CN210157016U (en) | Novel permanent magnet motor junction box structure | |
| CN213365708U (en) | Fire alarm linkage power supply system | |
| CN212849081U (en) | Elastic sheet metal connecting cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 Termination date: 20211019 |