CN209056143U

CN209056143U - A kind of electromagnetic induction phenomenon Physical Experiment instrument

Info

Publication number: CN209056143U
Application number: CN201821476336.5U
Authority: CN
Inventors: 解晓华
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-10
Filing date: 2018-09-10
Publication date: 2019-07-02
Anticipated expiration: 2028-09-10

Abstract

The utility model discloses a kind of electromagnetic induction phenomenon Physical Experiment instrument, and equipped with the pedestal with strip sliding slot, pedestal both ends are fixedly connected with support rod, and supporting bar top is equipped with thread bush and the first threaded rod, and the first threaded rod connects the sheet frame for being inserted with bar magnet.Metallic conductor is connected by metallic conductor positioning sleeve, bracing strut, square pole and positioning case, and the cam for adjusting metallic conductor height is equipped in positioning case.Positioning case side wall is equipped with the push and pull bar for adjusting metallic conductor left and right displacement.Sliding slot and positioning case pass through rectangular lock hole and rectangular locking rod activity grafting.The utility model is installed and using easy to operate, function is more complete, it can be strained and fixed to metallic conductor, avoid magnet attract metallic conductor cause to be displaced it is unstable, metallic conductor is up and down and left and right displacement manipulation is stablized, and the distance between replaceable bar magnet and adjusting magnetic pole, the more fully influence between exhibiting magnetic field intensity and metallic conductor movement.

Description

A kind of electromagnetic induction phenomenon Physical Experiment instrument

Technical field

The utility model relates to Physical Experiment instrument technical field, specially a kind of electromagnetic induction phenomenon Physical Experiment instrument.

Background technique

Electromagnetic induction is important one of part in Physical Experiment, refers to the conductor being placed in magnetic field, can generate electronic Gesture.Electromotive force on closed circuit is directly proportional with the change rate of magnetic flux on the curved surface surrounded by any path, when Electric current can flow in any closure conductor when the magnetic flux change of the curved surface surrounded by conductor.

In electromagnetic induction experiment, the cross-sectional area of magnet, the distance of two magnetic poles, the material of metallic conductor, metallic conductor Resistance, metallic conductor the direction of motion etc. can generate variation to electric current.U magnet offer is provided in current practice Magnetic field, the metallic conductor of cutting magnetic field carry out the movement of cutting magnetic field with suspension type, manual operation, cause experiential function by Limit, and operational stability is poor.Ferrous metal conductor is then easy to be rotated or by magnet attraction along parallel flux lines Direction is mobile, it is difficult to accurate cutting magnetic line.

Utility model content

The purpose of this utility model is to provide a kind of electromagnetic induction phenomenon Physical Experiment instrument, to solve above-mentioned background technique The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions:

A kind of electromagnetic induction phenomenon Physical Experiment instrument, the pedestal including strip, the interior sliding slot for being equipped with strip of pedestal, bottom Contour support rod there are two being fixedly connected in the middle part of seat left and right ends, the position of the top equal height of two support rods is equipped with The limit hole of same size, limit hole have been slidably socketed gag lever post, and the other end of gag lever post is fixedly connected with linkage block, support rod Top be fixedly connected with thread bush, the axis of thread bush is threaded with the first threaded rod, and one end of the first threaded rod is fixed It is connected with the first knob, the other end of the first threaded rod is fixedly connected with anti-disk stripping, and the surface activity of anti-disk stripping is socketed with anticreep Slot, the anti-outside lower end being disengaged from the groove are fixedly connected with the upper end of linkage block.

Preferably, the anti-outside other end being disengaged from the groove is fixedly connected with sheet frame, and the upper end of sheet frame is internally threaded hole, The inside thread of threaded hole is connected with the second threaded rod, and the upper end of the second threaded rod is fixedly connected with the second knob, the second screw thread The lower end of bar is fixedly connected with dummy block, and activity is plugged with bar magnet between the lower surface and sheet frame bottom wall of dummy block.

Preferably, positioning case is slidably connected in the sliding slot, the upper center of positioning case is equipped with square hole, square hole Inside sliding sleeve is connected to square pole, and the upper end of square pole has been fixed by screws bracing strut, and the upper end two sides of bracing strut are equal It is fixedly connected with metallic conductor positioning sleeve, rectangular threading hole, activity grafting in rectangular threading hole are equipped in metallic conductor positioning sleeve There is metallic conductor, metallic conductor positioning sleeve roof is threadedly coupled by threaded hole with brass bolt；The lower end of square pole is fixedly connected Have a stripper plate, the upper end of stripper plate is fixedly connected with spring, the surface of the inside pivot bush unit square pole of spring, spring it is another End is fixedly connected with the roof of positioning case, and the inside middle position axis connection of positioning case has drive shaft, and the middle position of drive shaft is solid Surely it is socketed with cam, the lower surface of stripper plate is close on the surface of cam always, and the outer end of drive shaft is fixedly connected across positioning case There is drive shaft turntable, drive shaft turntable is located at before positioning case.

Preferably, the drive shaft turntable includes runner and hollow grip, and runner is fixedly connected with drive shaft front end, hollow Sliding sleeve is connected to cylinder lock and determines stick in handle；On the antetheca of positioning case in a ring be equipped with cylinder locking rod rotary motion trace coincide Round lock hole.

Preferably, the lower end middle part of the antetheca and rear wall of the positioning case and the lower end middle part of sliding slot antetheca and rear wall are equal Equipped with rectangular lock hole, rectangular lock hole internal activity is plugged with rectangular locking rod；In the left side wall and/or right side wall of positioning case Portion is fixedly connected with push and pull bar.

Preferably, the push and pull bar is located in the middle part of the right side wall of positioning case.

Preferably, the push and pull bar is located in the middle part of the left side wall of positioning case.

Preferably, push and pull bar is equipped in the middle part of the left side wall of the positioning case and in the middle part of right side wall.

To those skilled in the art, during the size of the cam at least should be ensured that drive shaft turns, gold The up and down motion stroke for belonging to conductor can cover lower horizontal plane on bar magnet, this is self-evident.

To those skilled in the art, the length of cylinder locking rod should be greater than the length of hollow grip, and ensure After cylinder locking rod is inserted into round lock hole, the other end still exposes hollow grip, so that the plug of cylinder locking rod operates, this It is self-evident.

To those skilled in the art, rectangular lock hole and rectangular locking rod cross-sectional area are bigger, are more conducive to positioning The fixation of case, this is also self-evident.

Compared with prior art, the utility model has the beneficial effects that

1. the utility model can adjust the distance between two bar magnets by the first knob of rotation, to study magnetic Pole span is from the influence to electromagnetic induction；And rotating second knob aloows the bar shaped magnetic that varying cross-section product is placed in sheet frame Iron investigates influence of the magnet cross-sectional area to electromagnetic induction.Gag lever post and the first threaded rod are connect with support rod, can be further Magnet moves down under the effect of gravity in side, improves device stability.

2. being equipped with rectangular threading hole in metallic conductor positioning sleeve, rectangular threading hole aperture can be set as the larger value, be applicable in In metallic conductor of different-diameter, including wire, metal bar etc.；Since brass bolt is mostly flush configuration, rectangular threading hole Shape is conducive to carry out extruding fixation to the metallic conductor of same diameter, avoids being formed between round threading hole and tack brass bolt Fan-shaped cavity can not squeeze fixation to thinner wire.When installation, after can first fixing metallic conductor one end, it is straightened, then twist The brass bolt of the tight other end, it is ensured that metallic conductor keeps straight line.Then conducting wire is connect with brass bolt, and with microampere meter, micro- electricity Stream amplifier etc. forms closed circuit.By the grafting of rectangular lock hole and rectangular locking rod, positioning case left-right position can be consolidated It is fixed, thus the left and right distance of fixed race conductor.For irony conductor, can avoid magnetic pole attraction causes irony conductor to be difficult to stable cut Cut the magnetic line of force.

3. the cam being arranged in positioning case, drive shaft, drive shaft turntable are conducive to the slow-roll stabilization by drive shaft turntable The online mobile cutting magnetic field of adjusting metallic conductor；When needing to move left and right metallic conductor, pivotable drive axis turntable makes Metallic conductor is located among the magnetic pole of two bar magnets, and then the cylinder locking rod of grafting inwardly pushes in hollow grip, insertion Round lock hole, thus the height of fixed metallic conductor.Then extract the rectangular locking rod in rectangular lock hole, left and right push or Push and pull bar is pulled to realize the stably translational of metallic conductor.

As it can be seen that the utility model installation and use are easy to operate, function is more complete, can tense to metallic conductor solid It is fixed, avoid magnet that metallic conductor is attracted to cause to be displaced unstable, metallic conductor is up and down and left and right displacement manipulation is stablized, and replaceable Influence between distance between bar magnet and adjusting magnetic pole, more fully exhibiting magnetic field intensity and metallic conductor movement, and drop Low experimental bias.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is enlarged diagram at a of the utility model；

Fig. 3 is the metallic conductor positioning sleeve of the utility model and the cross-sectional view of positioning case；

Fig. 4 is the front view of the positioning case of the utility model.

In figure: 1 pedestal, 101 sliding slots, 102 rectangular lock holes, 103 rectangular locking rods, 104 push and pull bars, 11 support rods, 12 limit holes, 13 gag lever posts, 14 linkage blocks, 15 thread bush, 16 first threaded rods, 17 first knobs, 18 anti-disk strippings, 19 anticreeps Slot, 110 sheet frames, 111 bar magnets, 112 threaded holes, 113 second threaded rods, 114 dummy blocks, 115 second knobs, 2 positioning cases, 21 square holes, 22 square poles, 23 springs, 24 bracing struts, 25 metallic conductor positioning sleeves, 26 metallic conductors, 27 drive shafts, 28 drivings Axis turntable, 281 round lock holes, 282 runners, 283 cylinder locking rods, 284 hollow grips, 29 cams, 210 brass bolts, 211 are squeezed Pressing plate, 212 rectangular threading holes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.

Fig. 1 to Fig. 4 illustrates a kind of technical solution of the electromagnetic induction phenomenon Physical Experiment instrument of the utility model, and: Fig. 1 is The overall structure diagram of the utility model；Fig. 2 is enlarged diagram at a of the utility model；Fig. 3 is the gold of the utility model Belong to the cross-sectional view of conductor positioning sleeve 25 and positioning case 2；Fig. 4 is the front view of the positioning case of the utility model, illustrates round lock Determine the set-up mode in hole 281, rectangular lock hole 102 and push and pull bar 104.

In the electromagnetic induction phenomenon Physical Experiment instrument that Fig. 1 to Fig. 4 is shown, the bottom of the electromagnetic induction phenomenon Physical Experiment instrument Seat 1 is strip, and the sliding slot 101 of strip is equipped in pedestal 1, is fixedly connected with that there are two contour in the middle part of 1 left and right ends of pedestal Support rod 11, the position of the top equal height of two support rods 11 is equipped with the limit hole 12 of same size, and limit hole 12 is sliding Dynamic to be socketed with gag lever post 13, the other end of gag lever post 13 is fixedly connected with linkage block 14, and the top of support rod 11 is fixedly connected with Thread bush 15, the axis of thread bush 15 are threaded with the first threaded rod 16, and one end of the first threaded rod 16 is fixedly connected with One knob 17, the other end of the first threaded rod 16 are fixedly connected with anti-disk stripping 18, and the surface activity of anti-disk stripping 18 is socketed with anticreep Slot 19 prevents that the outside lower end for being disengaged from the groove 19 is fixedly connected with the upper end of linkage block 14.

Prevent that the outside other end for being disengaged from the groove 19 is fixedly connected with sheet frame 110, the upper end of sheet frame 110 is internally threaded hole 112, The inside thread of threaded hole 112 is connected with the second threaded rod 113, and the upper end of the second threaded rod 113 is fixedly connected with the second knob 115, the lower end of the second threaded rod 113 is fixedly connected with dummy block 114, between 110 bottom wall of lower surface and sheet frame of dummy block 114 Activity is plugged with bar magnet 111.

Slidably connect positioning case 2 in sliding slot 101, the upper center of positioning case 2 is equipped with square hole 21, square hole 21 it is interior Slideslip is socketed with square pole 22, and the upper end of square pole 22 has been fixed by screws bracing strut 24, the upper end of bracing strut 24 Two sides are fixedly connected to metallic conductor positioning sleeve 25, are equipped with rectangular threading hole 212, rectangular threading in metallic conductor positioning sleeve 25 Activity is plugged with metallic conductor 26 in hole 212, and 25 roof of metallic conductor positioning sleeve is connected by threaded hole and 210 screw thread of brass bolt It connects；The lower end of square pole 22 is fixedly connected with stripper plate 211, and the upper end of stripper plate 211 is fixedly connected with spring 23, spring 23 The surface of inside pivot bush unit square pole 22, the other end of spring 23 are fixedly connected with the roof of positioning case 2, the inside of positioning case 2 Middle position axis connection has drive shaft 27, and the middle position fixing sleeve of drive shaft 27 is connected to cam 29, and the surface of cam 29 is always It is close to the lower surface of stripper plate 211, the outer end of drive shaft 27 passes through positioning case 2 and is fixedly connected with drive shaft turntable 28, drive shaft Turntable 28 is located at before positioning case 2.

Drive shaft turntable 28 includes runner 282 and hollow grip 284, and runner 282 is fixedly connected with 27 front end of drive shaft, empty Sliding sleeve is connected to cylinder lock and determines stick 283 in heart handle 284；It is equipped with and cylinder locking rod in a ring on the antetheca of the positioning case 2 The identical round lock hole 281 of 283 rotary motion traces.

In the middle part of the antetheca of positioning case 2 and the lower end of the rear wall and lower end middle part side of being equipped with of 101 antetheca of sliding slot and rear wall Shape lock hole 102, rectangular 102 internal activity of lock hole are plugged with rectangular locking rod 103；It is fixed in the middle part of the left side wall of positioning case 2 It is connected with push and pull bar 104.Certainly, push and pull bar 104 can also be set in the middle part of the right side wall of positioning case 2, or in positioning case 2 One is respectively set in the middle part of left side wall and right side wall.

When the utility model is specifically implemented: bar magnet 111 is put when needing that bar magnet 111 is fixed Enter to the inside of sheet frame 110, rotates the second threaded rod 113 using the second knob 115, enable dummy block 114 to bar shaped magnetic Iron 111 is clamped, and rotating second knob 115 is the bar magnet 111 of applicable different-thickness.

When needing to be adjusted the distance of two bar magnets 111, the first knob 17 of rotation drives the first threaded rod 16 rotations, the first threaded rod 16 is threadedly coupled the inside of thread bush 15, so that the first threaded rod 16 is able to drive bar magnet 111 It is moved left and right, anti-disk stripping 18 is preventing being disengaged from the groove 19 inside rotation, can guarantee the mobile stability of sheet frame 110, then cooperate Gag lever post 13 can guarantee the mobile stability of bar magnet 111 in the interior Slideslip of limit hole 12.

When metallic conductor 26 is the flexible materials such as wire, one end can be inserted into rectangular in metallic conductor positioning sleeve 25 Threading hole 212, rotation brass bolt 210 make it move down compression metallic conductor 26, are then inserted into 26 other end of metallic conductor The rectangular threading hole 212 of opposite side rotates brass bolt 210 and compresses after being straightened.Then by two brass bolts 210 by circuit lead with Microampere meter, micro current amplifier etc. form closed circuit.Metal can be led when metallic conductor 26 is the hard materials such as metal bar Body 26 is inserted into two rectangular threading holes 212 from a side to the other side, then chooses to install two brass bolts 210 respectively and compresses metallic conductor 26。

When needing 26 cutting magnetic line of metallic conductor to generate electric current, rectangular locking rod 103 is inserted into rectangular locking first Hole 102 limits moving left and right and overturning for positioning case 2, and cylinder locking rod 283 is made to be detached from round lock hole 281 and then shake hollow Handle 284 is rotated by the rotation band moving cam 29 of runner 282 and drive shaft 27, to drive metallic conductor by square pole 22 26 up and down motion cutting magnetic lines.

When needing metallic conductor 26 to be parallel to magnetic line of force movement, rotation hollow grip 284 drives metallic conductor 26 to two Among a bar magnet 111, then inwardly cylinder locking rod 283 is pushed to insert it into round lock hole 281, thus fixed metal The height of conductor 26, then extracts rectangular locking rod 103, and left and right pushes or pull on push and pull bar 104 and realizes metallic conductor 26 Left and right translation.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of electromagnetic induction phenomenon Physical Experiment instrument, the pedestal (1) including strip, it is characterised in that: in the pedestal (1) Sliding slot (101) equipped with strip is fixedly connected in the middle part of pedestal (1) left and right ends there are two contour support rod (11), two The position of the top equal height of a support rod (11) is equipped with the limit hole (12) of same size, limit hole (12) sliding sleeve It is connected to gag lever post (13), the other end of the gag lever post (13) is fixedly connected with linkage block (14), the top of the support rod (11) End is fixedly connected with thread bush (15), and the axis of the thread bush (15) is threaded with the first threaded rod (16), and described first One end of threaded rod (16) is fixedly connected with the first knob (17), and the other end of first threaded rod (16) is fixedly connected with anti- Disk stripping (18), the surface activity of the anti-disk stripping (18), which is socketed with, to be prevented being disengaged from the groove (19), and the anti-outside lower end for being disengaged from the groove (19) is solid Surely the upper end of linkage block (14) is connected.

2. electromagnetic induction phenomenon Physical Experiment instrument according to claim 1, it is characterised in that: described to prevent being disengaged from the groove the outer of (19) The side other end is fixedly connected with sheet frame (110), and the upper end of sheet frame (110) is internally threaded hole (112), threaded hole (112) Inside thread is connected with the second threaded rod (113), and the upper end of the second threaded rod (113) is fixedly connected with the second knob (115), the The lower end of two threaded rods (113) is fixedly connected with dummy block (114), the lower surface of dummy block (114) and sheet frame (110) bottom wall it Between activity be plugged with bar magnet (111).

3. electromagnetic induction phenomenon Physical Experiment instrument according to claim 1 or 2, it is characterised in that: in the sliding slot (101) It slidably connects positioning case (2), the upper center of positioning case (2) is equipped with square hole (21), the inside sliding sleeve of square hole (21) It is connected to square pole (22), the upper end of square pole (22) has been fixed by screws bracing strut (24), the upper end of bracing strut (24) Two sides are fixedly connected to metallic conductor positioning sleeve (25), are equipped with rectangular threading hole (212) in metallic conductor positioning sleeve (25), side Shape threading hole (212) interior activity is plugged with metallic conductor (26), and metallic conductor positioning sleeve (25) roof passes through threaded hole and copper spiral shell Bolt (210) is threadedly coupled；The lower end of square pole (22) is fixedly connected with stripper plate (211), and the upper end of stripper plate (211) is fixed to be connected It is connected to spring (23), the surface of the inside pivot bush unit square pole (22) of spring (23), the other end of spring (23) is fixedly connected The inside middle position axis connection of the roof of positioning case (2), positioning case (2) has drive shaft (27), the interposition of drive shaft (27) Fixing sleeve is set to be connected to cam (29), the lower surface of stripper plate (211) is close on the surface of cam (29) always, drive shaft (27) it is outer End is fixedly connected with drive shaft turntable (28) across positioning case (2), and drive shaft turntable (28) is located at before positioning case (2).

4. electromagnetic induction phenomenon Physical Experiment instrument according to claim 3, it is characterised in that: the drive shaft turntable (28) Including runner (282) and hollow grip (284), runner (282) is fixedly connected with drive shaft (27) front end, hollow grip (284) Interior sliding sleeve is connected to cylinder lock and determines stick (283)；It is equipped with and cylinder locking rod (283) in a ring on the antetheca of the positioning case (2) The identical round lock hole (281) of rotary motion trace.

5. electromagnetic induction phenomenon Physical Experiment instrument according to claim 4, it is characterised in that: before the positioning case (2) It is equipped with rectangular lock hole (102) in the middle part of the lower end of wall and rear wall middle part and the lower end of sliding slot (101) antetheca and rear wall, it is rectangular Lock hole (102) internal activity is plugged with rectangular locking rod (103)；In the middle part of the left side wall and/or right side wall of the positioning case (2) It is fixedly connected with push and pull bar (104).

6. electromagnetic induction phenomenon Physical Experiment instrument according to claim 5, it is characterised in that: the push and pull bar (104) In the middle part of the right side wall of positioning case (2).