CN215643309U - Portable physical experiment teaching aid - Google Patents

Abstract

A portable physical experiment teaching aid, comprising: the bottom of the case, with bottom of the case one side swing joint can be in the 90 case lids of bottom of the case one side upset, case lid both sides intermediate position is equipped with a fixed rope respectively, and the intermediate position of bottom of the case both sides is located to the other end of this fixed rope, just one side that the case lid expandes with the bottom of the case is equipped with switch lock and handle, the case lid inner wall is equipped with a baffle, sets up two at least holding tanks that are used for installing the ampere meter on this baffle, one side both ends that the case lid set up the handle are equipped with a telescopic link respectively, and this telescopic link is worn out the rear end portion in the baffle and is connected through a connecting rod, and the symmetry is equipped with two sets of fixed slots that are used for the fixed coil tip on this connecting rod, and the quantity of every group fixed slot is two. This portable physics experiment teaching aid can be put the article that electricity, electromagnetic induction experiment were used in a box, when needs use, only needs open the box, can experiment the demonstration through simple equipment, has portable, easy operation's advantage.

Description

Portable physical experiment teaching aid

[ technical field ] A method for producing a semiconductor device

The utility model relates to an experiment teaching aid, in particular to a portable physical experiment teaching aid.

[ background of the utility model ]

With the rapid development of education theory, experimental teaching has become an important means for students to understand the nature and know the development rule of things intuitively. Physical education is as the important component part of natural science teaching, and it tests teaching and more receives people's concern and attach importance, along with the continuous deepening of physical teaching reform, the constantly changing of teaching content has a direct-viewing understanding in order to make the better physical experiment of student, has just derived the physical experiment teaching aid, need use multiple articles such as ampere meter, voltmeter, coil in electricity experiment and electromagnetic induction experiment, this just causes and carries inconvenient problem.

[ Utility model ] content

In order to solve the problems, the utility model provides a portable physical experiment teaching aid which can be used for placing objects used in electrical and electromagnetic induction experiments in a box body, only needs to check whether the used objects are normal or not when the portable physical experiment teaching aid is needed to be used, and is convenient to carry.

The utility model is realized through the following technical scheme, and provides a portable physical experiment teaching aid, which comprises: the bottom of the case, with bottom of the case one side swing joint can be in the 90 case lids of bottom of the case one side upset, case lid both sides intermediate position is equipped with a fixed rope respectively, and the intermediate position of bottom of the case both sides is located to the other end of this fixed rope, just one side that the case lid expandes with the bottom of the case is equipped with switch lock and handle, the case lid inner wall is equipped with a baffle, sets up two at least holding tanks that are used for installing the ampere meter on this baffle, one side both ends that the case lid set up the handle are equipped with a telescopic link respectively, and this telescopic link is worn out the rear end portion in the baffle and is connected through a connecting rod, and the symmetry is equipped with two sets of fixed slots that are used for the fixed coil tip on this connecting rod, and the quantity of every group fixed slot is two.

In particular, a U-shaped baffle extends from the inner wall of the box cover corresponding to the accommodating groove.

Particularly, a cylindrical sliding block is arranged along the box body at one side where the box bottom and the box cover are connected, a sliding groove matched with the cylindrical sliding block is arranged at the position corresponding to the box cover, and one end of the sliding groove is closed.

Particularly, a step surface is arranged on one side of the box bottom close to the box cover, a fixing plate is arranged on the step surface, an accommodating space for accommodating experimental objects is formed between the fixing plate and the box bottom, a wire groove for fixing a power wire is arranged on one side of the fixing plate close to the box bottom, and a fixing plate for fixing a magnet is arranged on the fixing plate.

Particularly, the upper surface of the fixing plate and the topmost end of the box bottom are positioned on the same horizontal plane, and the connecting rod is in contact with the surface of the fixing plate.

Particularly, spherical silica gel pads are arranged at four corners of the fixing plate and at positions corresponding to the accommodating grooves respectively.

In particular, a sponge is arranged in the box bottom.

Particularly, an annular ring made of soft materials is arranged in the accommodating groove, and an elastic ring is arranged in the annular ring through an elastic piece.

The utility model provides a portable physical experiment teaching aid, which can mount an ammeter, a voltmeter and the like on a box cover through an accommodating groove during an electrical experiment, wherein the box cover and the box bottom are 90 degrees after being opened, so that students can conveniently observe the experiment, and simultaneously a connecting rod can be stretched under the action of a telescopic rod to form a support frame

[ description of the drawings ]

FIG. 1 is a side view of a portable physical experiment teaching aid of the present invention, in which the extension rod is in an extended state;

fig. 2 is another side view of a portable physical experiment teaching aid of the present invention.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.

Referring to fig. 1-2, the present invention provides a portable physical experiment teaching aid, comprising: the box cover comprises a box bottom 1 and a box cover 2 which is movably connected with one side of the box bottom 1 and can be turned 90 degrees at one side of the box bottom 1, wherein the middle positions at two sides of the box cover 2 are respectively provided with a fixing rope 3, the other end of the fixing rope 3 is arranged at the middle positions at two sides of the box bottom 1, the fixing rope can ensure that the box cover is 90 degrees with the box bottom after being opened, meanwhile, the fixing rope is thin and cannot block students from observing experiments, a switch lock and a handle (not shown in the figure) are arranged at one side where the box cover 2 and the box bottom 1 are unfolded, the inner wall of the box cover 2 is provided with a partition plate 4, the partition plate 4 is provided with at least two accommodating grooves 5 for installing an ammeter, two ends at one side where the handle is arranged on the box cover 2 are respectively provided with a telescopic rod 6, the ends of the telescopic rod 6 are connected through a connecting rod 7 after the partition plate 4 penetrates out, two groups of fixing grooves 8 for fixing the coil end parts are symmetrically arranged on the connecting rod 7, and the number of the two fixing grooves 8 is two, with coil end fixing in the fixed slot, can make the coil vertically present in the student to electromagnetic induction is known in more clear observation.

Particularly, the accommodating groove can be provided with an ammeter, a voltmeter and the like, and in order to prevent the ammeter and the like from falling off in the experiment process, a U-shaped baffle 9 extends from the inner wall of the box cover 2 corresponding to the accommodating groove 5; the U-shaped baffle can play a supporting role to ampere meters and the like, and prevent the ampere meters from falling in the experimental process and influencing the smooth operation of the experiment.

Particularly, a cylindrical sliding block 10 is arranged along the box body at one side where the box bottom 1 and the box cover 2 are connected, a sliding groove 11 matched with the cylindrical sliding block 10 is arranged at the position corresponding to the box cover 2, and one end of the sliding groove 11 is closed; during the experiment, through the separation of spout and spout, can make bottom of the case and case lid separation to carry out two kinds of experiments simultaneously, the student operation of being convenient for has shortened operating time under the more clear condition of student's observation.

Particularly, a step surface (not marked in the figure) is arranged on one side of the box bottom 1 close to the box cover 2, a fixing plate 12 is arranged on the step surface, a containing space for containing experimental objects is formed between the fixing plate 12 and the box bottom 1, a wire groove (not marked in the figure) for fixing a power line is arranged on one side of the fixing plate 12 close to the box bottom 1, and a fixing plate 13 for fixing a magnet is arranged on the fixing plate 12; so design, can make article etc. preserved in a littleer space completely, avoid removing the in-process and rock wearing and tearing or damage experimental articles for use because of the production, and the fixed plate is experiment operation platform promptly, so design, can improve operation platform's height, make operation platform expose completely under the student field of vision, the more clear observation of the student of being convenient for is to the experimentation, know experiment principle etc. and the stationary blade can play a fixed action to the magnet in the electromagnetic induction experiment, indirect improvement the accuracy of experimental result, and the wire casing can be with the power cord that the experiment was used etc. locate the wire casing in, prevent the power cord confusion, can put the line in hidden position simultaneously, make that experimental device can be more clear present in front of the student.

Particularly, the upper surface of the fixing plate 12 and the topmost end of the box bottom 1 are positioned at the same horizontal plane, and the connecting rod 7 is contacted with the surface of the fixing plate 12; so design, further make operation platform expose completely under the student field of vision to the student can be more clear observe the experimentation, know experiment principle etc. and the connecting rod can play a fixed action to the fixed plate simultaneously, prevents to remove the in-process, and the fixed plate produces and rocks, and makes its inside experiment device scatter.

Particularly, spherical silica gel pads are respectively arranged at four corners of the fixing plate 12 and positions corresponding to the accommodating grooves 5; the spherical silica gel pad can play a protective role for the ammeter and the like, and the phenomenon that the surfaces of the ammeter and the like are scratched or broken in the moving process is prevented.

In particular, a sponge (not shown in the figures) is arranged in the box bottom 1; so design, when coil, magnet etc. put in the bottom of the case, under the effect of sponge, coil, magnet etc. are wrapped up between sponge and fixed plate to play the guard action to coil, magnet etc..

Particularly, an annular ring 14 made of a soft material is arranged in the accommodating groove 5, and an elastic ring (not shown) is arranged in the annular ring 14 by using an elastic piece; so design, when needs carry out different experiments, can play a fixed action to the experimental article through annular ring and elastic ring to can accomplish more experiments, the suitability is wider.

In the utility model, after the telescopic rod is extended, the connecting rod is positioned above the fixing sheet, so that the coil can be ensured to be positioned above the magnet, and the experimental operation is convenient; the partition plate is arranged on the inner wall of the box cover through screws and the like, a power line and the like can be taken down and assembled according to actual needs, in an electrical experiment, an ammeter, a voltmeter, an illuminating device and the like can be installed on the partition plate, and in actual application, other experimental devices can also be installed; the telescopic rod and the connecting rod can play a role in fixing and supporting a coil in an electromagnetic induction experiment, so that an experimental device is vertically presented to students, and the students can observe an experimental process and an experimental result more clearly; the teaching device can also be used for teaching other experiments, and has the advantages of convenience in carrying, simplicity in operation, wide visual field, wide applicability and the like.

Claims (8)

1. A portable physics experiment teaching aid, its characterized in that includes: the box bottom (1) and the box cover (2) which is movably connected with one side of the box bottom (1) and can turn over by 90 degrees at one side of the box bottom (1), the middle positions of two sides of the box cover (2) are respectively provided with a fixed rope (3), the other end of the fixing rope (3) is arranged in the middle of the two sides of the box bottom (1), a switch lock and a handle are arranged on one side of the box cover (2) which is unfolded with the box bottom (1), a clapboard (4) is arranged on the inner wall of the box cover (2), the clapboard (4) is provided with at least two accommodating grooves (5) for installing an ammeter, two ends of one side of the box cover (2) provided with the handle are respectively provided with a telescopic rod (6), the end parts of the telescopic rods (6) are connected by a connecting rod (7) after the partition plates (4) penetrate out, two groups of fixing grooves (8) used for fixing the coil end parts are symmetrically arranged on the connecting rod (7), and the number of each group of fixing grooves (8) is two.

2. A portable physical experiment teaching aid according to claim 1, wherein a U-shaped baffle (9) extends from the inner wall of the case cover (2) at a position corresponding to the receiving groove (5).

3. A portable physical experiment teaching aid according to claim 1, wherein a cylindrical sliding block (10) is arranged along the box body at one side where the box bottom (1) and the box cover (2) are connected, a sliding groove (11) adapted to the cylindrical sliding block (10) is arranged at a position corresponding to the box cover (2), and one end of the sliding groove (11) is closed.

4. The portable physical experiment teaching aid of claim 1, wherein a step surface is arranged on one side of the box bottom (1) close to the box cover (2), a fixing plate (12) is arranged on the step surface, a containing space for containing experimental objects is formed between the fixing plate (12) and the box bottom (1), a wire groove for fixing a power line is arranged on one side of the fixing plate (12) close to the box bottom (1), and a fixing plate (13) for fixing a magnet is arranged on the fixing plate (12).

5. A portable physical experiment teaching aid according to claim 4, characterized in that the upper surface of the fixing plate (12) is at the same level with the topmost end of the box bottom (1), and the connecting rod (7) is in contact with the surface of the fixing plate (12).

6. A portable physics experiment teaching aid according to claim 4, characterized in that, the four corners of the fixed plate (12) and the positions corresponding to the holding groove (5) are respectively provided with spherical silica gel pads.

7. A portable physical experiment teaching aid according to claim 1, characterized in that a sponge is arranged in the case bottom (1).

8. A portable physical experiment teaching aid according to claim 1, wherein an annular ring (14) made of soft material is arranged in the accommodating groove (5), and an elastic ring is arranged in the annular ring (14) by an elastic member.

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