CN207517237U - A kind of electromagnetism swing for teaching demonstration - Google Patents

Abstract

The utility model is related to a kind of teaching aid, more particularly to a kind of electromagnetism swing for teaching demonstration.It includes bottom plate, first support, second support, coil, battery, swing rod, magnet, tongue tube and supporting rod；The first support and the second support are mounted on the bottom plate；The supporting rod sequentially passes through the first support, the swing rod and the second support；The swing rod is rotatably mounted on the supporting rod；The magnet is mounted on the end of the swing rod；The coil is mounted on the bottom plate, and the coil is arranged on the lower section of the magnet；The tongue tube is set to above the coil；The coil is electrically connected with the tongue tube, and the tongue tube is electrically connected with the battery.The purpose of this utility model is to provide a kind of electromagnetism swing for teaching demonstration, to solve the problems, such as that existing electromagnetism swing structure performance is unstable, control magnet switching backward in technique.

Description

A kind of electromagnetism swing for teaching demonstration

Technical field

The utility model belongs to teaching aid technical field, more particularly to a kind of electromagnetism swing for teaching demonstration.

Background technology

In teaching process, for " electrically and magnetically " if teaching demonstrated without corresponding material object, it is difficult to allow student Understand that " hot-wire coil can generate magnetism ", " hot-wire coil also there are north and south the two poles of the earth ", " live wire can be changed by changing battery plus-negative plate The principless of science such as north and south the two poles of the earth of circle ", it is also difficult to motivate students' interest in learning.And some existing teaching demonstration devices be The coil for fixing compass, is then connected on circuit, lacks interest by fixed upper compass among coil, makes thick It is rough, be not suitable for demonstration.

Electromagnetism swing is a relationship and a kind of teaching aid of effect between relatively visually demonstrating electric and magnetic.By permanent magnet with Electromagnet coil interacts come the rotation for realizing pendulum.Existing electromagnetism swing on the market has the following problems：Material matter Measure not good enough, structural behaviour is unstable, manufacture difficulty is big, control magnet switching it is backward in technique.

Utility model content

The purpose of this utility model is to provide a kind of electromagnetism swing for teaching demonstration, to solve existing electromagnetism swing Control magnet switching it is backward in technique, structural behaviour is unstable the problem of.

The purpose of this utility model is realized by following technical proposals：

A kind of electromagnetism swing for teaching demonstration, including bottom plate, first support, second support, coil, battery, pendulum Bar, magnet, tongue tube and supporting rod；The first support and the second support are mounted on the bottom plate；The supporting rod Sequentially pass through the first support, the swing rod and the second support；The swing rod is rotatably mounted to the supporting rod On；The magnet is mounted on the end of the swing rod；The coil is mounted on the bottom plate, and the coil is arranged on the magnetic The lower section of iron；The tongue tube is set to above the coil；The coil is electrically connected with the tongue tube, the tongue tube with The battery electrical connection.

Further, rectangular slot there are two being set on the bottom plate, the first support and the second support are pacified respectively In two rectangular slots of the bottom plate.

Further, the first corner brace and the second corner brace are further included；First corner brace is set to the first support and institute Between stating bottom plate, for fixing the first support；Second corner brace is set between the second support and the bottom plate, For fixing the second support.

Further, it is equipped with sponge hem facing below the bottom plate.

Further, the bottom plate is equipped with battery case, and the battery is set in the battery case.

Further, the first axle sleeve and the second axle sleeve are further included, the supporting rod passes through first axle sleeve and described the Two axle sleeves；The first axle is set on the left of the first support, and second axle sleeve is arranged on the right side of the second support.

Further, third axle sleeve and the 4th axle sleeve are further included；The supporting rod passes through the third axle sleeve and described the Four axle sleeves；The third axle sleeve and the 4th axle sleeve are separately positioned on the swing rod both sides.

Further, first corner brace and second corner brace are bolted with the bottom plate.

Further, first corner brace is bolted with the first support, second corner brace and described the Two stents are bolted.

Further, the bottom plate, the first support, the second support, first corner brace and second jiao described Code is made of acrylic material.

The utility model has the following advantages that compared with prior art：

1. the electromagnetism swing described in the utility model for teaching demonstration by setting tongue tube, can realize coil and electricity Break-make between pond, to solve the problems, such as to control the backward in technique of magnet switching in the prior art, while the utility model is also Make full use of tongue tube small, light-weight, the characteristics of long working life, to extend electricity of the utility model for teaching demonstration The service life of magnetic swing and the structural stability for improving the utility model.

2. bottom plate described in the utility model, the first support, the second support, first corner brace and described second Corner brace is made of acrylic material；Acrylic board, beauty is smooth, service life is long.

3. the first corner brace described in the utility model and second corner brace are bolted with the bottom plate；Described first Corner brace is bolted with the first support, and second corner brace is bolted with the second support；Using spiral shell Bolt and corner brace connection, stable structure.

Description of the drawings

Fig. 1 is the electromagnetism scafford hitch composition described in the utility model for teaching demonstration；

Fig. 2 is floor structure figure described in the utility model；

Fig. 3 is the utility model electrical connection diagram；

In figure：The first axle sleeves of 1-, 2- first supports, 3- thirds axle sleeve, 4- swing rods, the 4th axle sleeves of 5-, 6- second supports, 7- Second axle sleeve, 8- supporting rods, 9- magnet, the second corner braces of 10-, 11- bottom plates, the rectangular slots of 111-, 12- coils, first jiao of 13- Code, 14- sponges hem facing, 15- battery cases, 16- tongue tubes, 17- batteries.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality Novel protected range.

In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the One ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition Concrete meaning of the language in the utility model.

Referring to Fig. 1, Fig. 2, Fig. 3, a kind of electromagnetism swing for teaching demonstration, including bottom plate 11, first support 2, Two stents 6, coil 12, battery 17, swing rod 4, magnet 9, tongue tube 16 and supporting rod 8；First support 2 and second support 6 are installed On bottom plate 11；Supporting rod 8 sequentially passes through first support 2, swing rod 4 and second support 6；Swing rod 4 is rotatably mounted to support On bar 8；Magnet 9 is mounted on the end of swing rod 4；Coil 12 is mounted on bottom plate 11, and coil 12 is arranged on the lower section of magnet 9；It is dry Reed pipe 16 is set to 12 top of coil；Coil 12 is electrically connected with tongue tube 16, and tongue tube 16 is electrically connected with battery 17；Pass through setting Tongue tube 16 can realize the break-make between coil 12 and battery 17, to solve to control the skill of magnet switching in the prior art The characteristics of the problem of art falls behind, while the utility model also makes full use of tongue tube 16 small, light-weight, long working life, To extend the utility model for the service life of the electromagnetism swing of teaching demonstration and improve the stable structure of the utility model Property；Tongue tube 16 is normal open switch, when magnet 9 is moved to 16 top of coil 12 and tongue tube, 16 closing coil 12 of tongue tube With battery 17, coil 12, which is powered, generates magnetic field, and magnet 9 is pushed open, and after magnet 9 leaves, tongue tube 16 disconnects coil 12 and electricity Pond 17, magnetic field disappear, and magnet 9 so recycles, magnet 9 is continuous because gravity is moved to 16 top of coil 12 and dry spring cash It swings.

Referring to Fig. 1, Fig. 2, set on bottom plate 11 there are two rectangular slot 111, first support 2 and second support 6 are installed respectively In two rectangular slots 111 of bottom plate 11；First support 2 and 6 lower end size of second support and rectangular 111 size pair of slot It answers, the stabilization of first support 2 and second support 6 can be kept.

Referring to Fig. 1, the utility model further includes the first corner brace 13 and the second corner brace 10；First corner brace 13 is set to first Between frame 2 and bottom plate 11, for fixing first support 2；Second corner brace 10 is set between second support 6 and bottom plate 11, is used for Fixed second support 6；First support 2 and second support 6 are further fixed by the first corner brace 13 and the second corner brace 10.

Referring to Fig. 1,11 lower section of bottom plate is equipped with sponge hem facing 14；Sponge hem facing 14 has elasticity, can stablize bottom plate 11, subtract The vibration of small electromagnetism swing.

Referring to Fig. 2, bottom plate 11 is equipped with battery case 15, and battery 17 is set in battery case 15；Set battery case 15 can be with Facilitate and be fixed on battery 17 on smooth bottom plate 11, power switch, the behaviour of convenient electromagnetic swing can be set on battery case 15 Make.

Referring to Fig. 1, the utility model further includes the first axle sleeve 1 and the second axle sleeve 7, and supporting rod 8 passes through the first axle sleeve 1 and the Two axle sleeves 7；First axle sleeve 1 is arranged on 2 left side of first support, and the second axle sleeve 7 is arranged on 6 right side of second support；First axle sleeve, 1 He Second axle sleeve 7 prevents supporting rod 8 from being skidded off from first support 2 and second support 6 for limiting.

Referring to Fig. 1, the utility model further includes 3 and the 4th axle sleeve 5 of third axle sleeve；Supporting rod 8 passes through third axle sleeve 3 and the Four axle sleeves 5；3 and the 4th axle sleeve 5 of third axle sleeve is separately positioned on 4 both sides of swing rod；3 and the 4th axle sleeve 5 of third axle sleeve is used to limit, It prevents swing rod 4 from being slided on supporting rod 8, if swing rod 4 slides, magnet 9 can be made to deviate the upper position of coil 12 and tongue tube 16 It puts, tongue tube 16 fails.

Referring to Fig. 1, the first corner brace 13 and the second corner brace 10 are bolted with bottom plate 11；First corner brace 13 and first Frame 2 is bolted, and the second corner brace 10 is bolted with second support 6；It is connected by screw bolts, stable structure is easy to Manual operations, during teaching demonstration, convenient for assembly and disassembly electromagnetism swing, during assembly and disassembly, enhancing is interesting.

Referring to Fig. 1, bottom plate 11, first support 2, second support 6, the first corner brace 13 and the second corner brace 10 are by acrylic material Material is made；Acrylic board, beauty is smooth, service life is long.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of electromagnetism swing for teaching demonstration, it is characterised in that：Including bottom plate, first support, second support, coil, Battery, swing rod, magnet, tongue tube and supporting rod；The first support and the second support are mounted on the bottom plate；It is described Supporting rod sequentially passes through the first support, the swing rod and the second support；The swing rod is rotatably mounted to described On supporting rod；The magnet is mounted on the end of the swing rod；The coil is mounted on the bottom plate, and the coil is arranged on The lower section of the magnet；The tongue tube is set to above the coil；The coil is electrically connected with the tongue tube, described dry Reed pipe is electrically connected with the battery.

2. the electromagnetism swing according to claim 1 for teaching demonstration, it is characterised in that：There are two being set on the bottom plate Rectangular slot, the first support and the second support are separately mounted in two rectangular slots of the bottom plate.

3. the electromagnetism swing according to claim 1 for teaching demonstration, it is characterised in that：Further include the first corner brace and Two corner braces；The first corner brace side is mounted on the bottom plate, and the first corner brace opposite side is mounted on the first support On, the second corner brace side is mounted on the bottom plate, and the second corner brace opposite side is mounted in the second support.

4. the electromagnetism swing according to claim 2 for teaching demonstration, it is characterised in that：Sea is equipped with below the bottom plate Continuous hem facing.

5. the electromagnetism swing according to claim 3 for teaching demonstration, it is characterised in that：The bottom plate is equipped with battery Box, the battery are set in the battery case.

6. the electromagnetism swing according to claim 3 for teaching demonstration, it is characterised in that：Further include the first axle sleeve and Two axle sleeves, the supporting rod pass through first axle sleeve and second axle sleeve；The first axle is set on described first On the left of frame, second axle sleeve is arranged on the right side of the second support.

7. the electromagnetism swing according to claim 1 for teaching demonstration, it is characterised in that：Further include third axle sleeve and Four axle sleeves；The supporting rod passes through the third axle sleeve and the 4th axle sleeve；The third axle sleeve and the 4th axle sleeve point It is not arranged on the swing rod both sides.

8. the electromagnetism swing according to claim 3 for teaching demonstration, it is characterised in that：First corner brace and described Second corner brace is bolted with the bottom plate.

9. the electromagnetism swing according to claim 5 for teaching demonstration, it is characterised in that：First corner brace with it is described First support is bolted, and second corner brace is bolted with the second support.

10. the electromagnetism swing according to claim 3 for teaching demonstration, it is characterised in that：The bottom plate, described first Stent, the second support, first corner brace and second corner brace are made of acrylic material.