CN109147512B - A teaching demonstrator of a metal-air battery - Google Patents

Abstract

The invention discloses a teaching demonstrator of a metal-air battery, which comprises a box body, wherein the top of the box body is provided with a groove, and a plurality of partition plates are movably arranged in the groove; the equal fixed mounting in both sides top of baffle has first pole, the both sides of box all are equipped with a plurality of rotor plates, a plurality of rotor plates set up with a plurality of first pole one-to-one, the top of rotor plate welds with the bottom of the first pole that corresponds mutually, the rotation hole has been seted up to one side of rotor plate, the downthehole pivot that is equipped with the level and sets up rotates, the outside of pivot is rotated the cover and is equipped with the carousel, the carousel rotates to be installed in the rotation hole that corresponds, a plurality of first draw-in grooves with pivot looks adaptation are seted up in the outside of box, the one end that the pivot is close to the recess extends to in the first draw-in groove that corresponds. According to the invention, the position of the rotating plate is fixed through the rotating shaft, so that the distance between two adjacent partition plates is adjusted, the partition plates can be reinforced, and the sealing property between the sealing gasket and the box body is improved.

Description

A teaching demonstrator for a metal-air battery

technical field

The invention relates to the technical field of teaching equipment, in particular to a teaching demonstrator of a metal-air battery.

Background technique

Metal-air battery is a good green energy, it has many advantages that traditional batteries do not have, and its metal electrodes (such as aluminum, magnesium, zinc, etc.) are rich in optional types, and metal-air battery energy can be supplied endlessly. And other forms of new energy such as solar energy, hydroelectric energy or wind energy can reduce the metal oxides after the metal-air battery reaction into the form of metal fuel, which is pollution-free and zero-emission, and realizes the recycling of green energy. After retrieval, the patent document with the application number 201310254432.0 discloses a demonstration device for a metal-air battery, including a body made of insulating material with a concave cavity on the upper side, an electrolyte disposed in the concave cavity, and an electrolyte disposed vertically in the concave cavity. A separator made of insulating material inside and separating it into cavity 1 and cavity 2, metal electrodes and air electrodes separately arranged in cavity 1 and cavity 2, and a load that can work after being energized, said There are a number of through-holes on the separator that can communicate with the cavity 1 and cavity 2, and the metal electrodes and the load and the air electrode and the load are respectively connected by connecting wires correspondingly. The demonstration device of the metal-air battery has the advantages of simple structure, convenient operation and strong observability.

However, the positions of the separators on the existing metal-air battery demonstration device are inconvenient to adjust, which makes it inconvenient to adjust the distance between two adjacent separators and to increase the volume of the electrolyte between the two adjacent separators.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a teaching demonstrator for a metal-air battery. The teaching demonstrator can effectively solve the problem of inconvenient adjustment of the position of the separator in the existing demonstration device of the metal-air battery in the background technology, and can quickly adjust the adjacent The distance between the two partitions.

To achieve the above object, the present invention provides the following technical solutions:

A teaching demonstrator for a metal-air battery, the teaching demonstrator includes a box body, a groove is arranged on the top of the box body, a plurality of partitions are movably installed in the groove, and the tops of the two sides of the partition plate are movably installed. A first rod is fixedly installed, and a plurality of rotating plates are arranged on both sides of the box body, and the plurality of rotating plates are arranged in a one-to-one correspondence with the plurality of first rods, and the top of the rotating plate is welded with the bottom of the corresponding first rod. One side of the rotating plate is provided with a rotating hole, the rotating hole is provided with a horizontally arranged rotating shaft, the outer rotating sleeve of the rotating shaft is provided with a rotating plate, the rotating plate is rotated and installed in the corresponding rotating hole, and the outer side of the box is provided with a plurality of rotating shafts The first card slot is matched, and the end of the rotating shaft close to the groove extends into the corresponding first card groove, and the rotating shaft is movably installed with the corresponding first card groove;

The end of the rotating shaft away from the groove extends to the outside of the corresponding rotating hole and is fixedly installed with a handle, the side of the handle close to the box body is fixedly installed with a positioning shaft, and the side of the rotating plate away from the box body is provided with a plurality of corresponding positioning shafts The matching second card slot, the end of the positioning shaft close to the box body extends into the corresponding second card slot and is movably clipped with the corresponding second card slot. The through holes are slidingly connected. The top inner wall and the bottom inner wall of the through holes are provided with limit grooves, and the limit rods are slidably installed in the limit grooves. The limit rods are fixedly installed on the outside of the corresponding rotating shaft. Wire drawing, the end of the wire drawing away from the turntable is fixedly connected with the top inner wall of the corresponding rotating hole, the positioning rods are fixedly installed on both sides of the bottom of the partition plate, and the bottom inner wall of the groove is provided with a plurality of positioning rods. , the bottom end of the positioning rod extends into the corresponding positioning groove.

As a preferred technical solution of the present invention, the same gasket is fixedly installed on both sides and the bottom of the partition plate, the outer side of the gasket is movably connected to the side wall of the groove, and the bottom of the gasket is provided with two gaskets. There are symmetrically arranged installation holes, and the outer side of the positioning rod is fixedly connected with the side wall of the corresponding installation hole.

As a preferred technical solution of the present invention, two bearings are fixedly sleeved on the turntable, the outer rings of the bearings are fixedly installed on the side walls of the corresponding rotating holes, and the drawing wires located in the same rotating hole are located between the two bearings.

As a preferred technical solution of the present invention, a spring is welded on the side of the limit rod away from the groove, and one end of the spring away from the groove is welded with the inner wall of the corresponding limit groove on the side away from the groove.

As a preferred technical solution of the present invention, the vertical cross-section of the positioning shaft and the vertical cross-section of the second clamping groove are both circular structures, and the cross-section of the positioning rod and the cross-section of the positioning groove are both rectangular structures.

As a preferred technical solution of the present invention, the number of the second card slots located on the same rotating plate is twenty to twenty-six, and the number of the second card slots located on the same rotating plate is twenty to twenty-six The grooves are arranged at regular intervals in a ring shape.

As a preferred technical solution of the present invention, the number of the partitions is three to six, the number of the first card slots located on the same side is eight to twelve, and the number of the first card slots located on the same side is eight to twelve A card slot is arranged at equal intervals.

As a preferred technical solution of the present invention, the bottom end of the positioning rod is not in contact with the bottom inner wall of the corresponding positioning groove, and the bottom of the first rod is not in contact with the top of the box.

Compared with the prior art, the beneficial effects of the present invention are:

The teaching demonstrator of the metal-air battery of the present invention passes through the box body, the partition plate, the first rod, the rotating plate, the rotating hole, the rotating shaft, the first card slot, the turntable, the handle, the positioning shaft, the second card slot, the through hole, the limit The position slot, the spring and the limit rod are matched, and the handle is pulled, and the handle drives the positioning shaft and the rotating shaft to move, so that the positioning shaft is separated from the second slot, the rotating shaft is separated from the first slot, and the rotating shaft squeezes the spring through the limit rod. Release the restriction on the position of the rotating plate, move the partition upward, the partition drives the gasket and the positioning rod to move upward, separates the positioning rod from the positioning groove, pushes the partition, makes the partition slide in the groove, and adjusts the adjacent two The distance between the partitions, when the distance between the two adjacent partitions is appropriate, push the partitions downward, and the partitions drive the positioning rods into the corresponding positioning grooves, push the handle, and the handle drives the rotating shaft into the corresponding positioning slot. In the first card slot, and ensure that the positioning shaft is not locked into the second card slot, the position of the partition can be fixed;

Through the coordination of drawing wires, bearings, gaskets, positioning rods, positioning grooves, grooves and installation holes, the handle is rotated, and the handle drives the turntable to rotate through the limit rod. , the rotating shaft drives the rotating plate to move downward through the wire drawing, the rotating plate drives the partition plate to move downward through the first rod, and the partition plate drives the sealing gasket to move downward, so that the bottom of the gasket is closely fitted with the bottom inner wall of the groove to ensure the isolation The tightness between the plate and the box body, push the handle, and the handle drives the positioning shaft to snap into the corresponding second slot to fix the position of the turntable and the rotating plate;

The present invention fixes the position of the rotating plate through the rotating shaft, thereby adjusting the distance between two adjacent partition plates, and can reinforce the partition plate, thereby increasing the sealing performance between the sealing gasket and the box body.

Description of drawings

1 is a schematic structural diagram of a teaching demonstrator for a metal-air battery proposed by the present invention;

2 is a schematic structural diagram of part A of a teaching demonstrator for a metal-air battery proposed by the present invention;

3 is a schematic structural diagram of part B of a teaching demonstrator for a metal-air battery proposed by the present invention;

4 is a schematic top-view structural diagram of a box body, a separator and a gasket connector in a teaching demonstrator for a metal-air battery proposed by the present invention;

5 is a schematic side view of the structure of a box in a teaching demonstrator for a metal-air battery proposed by the present invention;

6 is a schematic side view of the structure of a rotating plate in a teaching demonstrator for a metal-air battery proposed by the present invention.

In the figure: 1-box, 2-partition, 3-first rod, 4-rotating plate, 5-rotating hole, 6-rotating shaft, 7-first card slot, 8-turntable, 9-handle, 10- Positioning shaft, 11-Second slot, 12-Through hole, 13-Limiting groove, 14-Spring, 15-Limiting rod, 16-Wire drawing, 17-Bearing, 18-Gasket, 19-Positioning rod, 20 -Locating slot, 21-groove, 22-installation hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example:

Please refer to Figures 1-6, the present invention provides a technical solution:

A teaching demonstrator for a metal-air battery, the teaching demonstrator comprises a box body 1, a groove 21 is arranged on the top of the box body 1, a plurality of partitions 2 are movably installed in the groove 21, and the tops of the two sides of the partition plate 2 are movably installed. The first rods 3 are fixedly installed, and the two sides of the box body 1 are provided with a plurality of rotating plates 4, and the plurality of rotating plates 4 are arranged in a one-to-one correspondence with the plurality of first rods 3, and the top of the rotating plate 4 corresponds to the corresponding first The bottom of a rod 3 is welded to each other, a rotating hole 5 is opened on one side of the rotating plate 4, and a rotating shaft 6 arranged horizontally is arranged in the rotating hole 5. In the rotation hole 5, the outer side of the box body 1 is provided with a plurality of first card grooves 7 which are adapted to the rotating shaft 6. The end of the rotating shaft 6 close to the groove 21 extends into the corresponding first card groove 7, and the rotating shaft 6 corresponds to the corresponding first card groove 7. The first card slot 7 is movably installed; the end of the rotating shaft 6 away from the groove 21 extends to the outside of the corresponding rotating hole 5 and is fixedly installed with a handle 9, and the side of the handle 9 close to the box body 1 is fixedly installed with a positioning shaft 10, The side of the rotating plate 4 away from the box body 1 is provided with a plurality of second card slots 11 which are adapted to the positioning shaft 10 . The second card slot 11 is movably installed, a through hole 12 is opened on one side of the turntable 8, and the rotating shaft 6 is slidably connected with the corresponding through hole 12. A limit rod 15 is slidably installed in the position slot 13, and the limit rod 15 is fixedly installed on the outer side of the corresponding rotating shaft 6. The outer side of the turntable 8 is wound and fixed with a drawing wire 16, and the end of the drawing wire 16 away from the turntable 8 and the corresponding rotating hole 5 The top inner wall of the partition plate 2 is fixedly connected, the bottom two sides of the partition plate 2 are fixedly installed with positioning rods 19, and the bottom inner wall of the groove 21 is provided with a plurality of positioning grooves 20 that are adapted to the positioning rods 19. The bottom end of the positioning rod 19 Extend into the corresponding positioning groove 20, in the box body 1, the partition plate 2, the first rod 3, the rotating plate 4, the rotating hole 5, the rotating shaft 6, the first card slot 7, the rotating plate 8, the handle 9, the positioning shaft 10, Under the cooperation of the second slot 11, the through hole 12, the limit slot 13, the spring 14 and the limit rod 15, the handle 9 is pulled, and the handle 9 drives the positioning shaft 10 and the rotating shaft 6 to move, so that the positioning shaft 10 and the second The card slot 11 is separated, the rotating shaft 6 is separated from the first card slot 7, the rotating shaft 6 squeezes the spring 14 through the limit rod 15, releases the restriction on the position of the rotating plate 4, moves the partition plate 2 upward, and the partition plate 2 drives the gasket 18 and the The positioning rod 19 moves upward to separate the positioning rod 19 from the positioning groove 20, pushes the partition plate 2, makes the partition plate 2 slide in the groove 21, and adjusts the distance between two adjacent partition plates 2. When the distance between the partitions 2 is appropriate, push the partition 2 downward, the partition 2 drives the positioning rod 19 to be inserted into the corresponding positioning slot 20, pushes the handle 9, and the handle 9 drives the rotating shaft 6 to be inserted into the corresponding first slot. 7, and ensure that the positioning shaft is not stuck in the second slot 11, the position of the partition plate 2 can be fixed; With the cooperation of 22, turn the handle 9. The handle 9 drives the turntable 8 to rotate through the limit rod 15, the turntable 8 rotates in the rotating hole 5 through the bearing 17, the rotating shaft 8 wraps and stores the drawing wire 16, and the rotating shaft 8 drives the rotating plate 4 through the drawing wire 16 to move down and rotate. The plate 4 drives the partition plate 2 to move downward through the first rod 3, and the partition plate 2 drives the gasket 18 to move downward, so that the bottom of the gasket 18 is closely attached to the bottom inner wall of the groove 21 to ensure that the partition plate 2 and the box body 1, push the handle 9, the handle 9 drives the positioning shaft 10 to be inserted into the corresponding second slot 11, and fixes the position of the turntable 8 and the rotating plate 4; the present invention fixes the position of the rotating plate 4 through the rotating shaft 6, Further, the distance between two adjacent partition plates 2 can be adjusted, and the partition plates 2 can be reinforced, thereby increasing the sealing performance between the sealing gasket 18 and the box body 1 .

In this embodiment, the same gasket 18 is fixedly installed on both sides and the bottom of the partition plate 2 , the outer side of the gasket 18 is movably connected to the side wall of the groove 21 in a sealing manner, and the bottom of the gasket 18 is provided with two symmetrically arranged gaskets 18 . The mounting hole 22, the outer side of the positioning rod 19 is fixedly connected with the side wall of the corresponding mounting hole 22, the turntable 8 is fixedly sleeved with two bearings 17, and the outer ring of the bearing 17 is fixedly mounted on the side wall of the corresponding rotating hole 5 , and the drawing wire 16 located in the same rotating hole 5 is located between the two bearings 17, the side of the limit rod 15 away from the groove 21 is welded with a spring 14, and the end of the spring 14 away from the groove 21 and the corresponding limit groove 13 The inner wall of the side away from the groove 21 is welded, the vertical cross-section of the positioning shaft 10 and the vertical cross-section of the second slot 11 are both circular structures, and the cross-section of the positioning rod 19 and the cross-section of the positioning groove 20 are both rectangular structures. , the number of the second card slots 11 located on the same rotating plate 4 is twenty to twenty-six, and the twenty to twenty-six second card grooves 11 located on the same rotating plate 4 are annularly equidistant Spaced, the number of the partitions 2 is three to six, the number of the first card slots 7 on the same side is eight to twelve, and the eight to twelve first card slots 7 on the same side are equally spaced The bottom end of the positioning rod 19 is not in contact with the bottom inner wall of the corresponding positioning groove 20, and the bottom of the first rod 3 is not in contact with the top of the box body 1. Rotating plate 4, rotating hole 5, rotating shaft 6, first slot 7, turntable 8, handle 9, positioning shaft 10, second slot 11, through hole 12, limit slot 13, spring 14 and limit rod 15 Under the cooperation, pull the handle 9, the handle 9 drives the positioning shaft 10 and the rotating shaft 6 to move, so that the positioning shaft 10 is separated from the second slot 11, the rotating shaft 6 is separated from the first slot 7, and the rotating shaft 6 is squeezed by the limit rod 15. The pressure spring 14 releases the restriction on the position of the rotating plate 4, moves the partition plate 2 upward, and the partition plate 2 drives the gasket 18 and the positioning rod 19 to move upward, so that the positioning rod 19 is separated from the positioning groove 20, and the partition plate 2 is pushed to make the partition plate 2 move upward. The plate 2 slides in the groove 21 to adjust the distance between the two adjacent partition plates 2. When the distance between the two adjacent partition plates 2 is appropriate, the partition plate 2 is pushed down, and the partition plate 2 drives the positioning rod. 19 is snapped into the corresponding positioning slot 20, push the handle 9, the handle 9 drives the rotating shaft 6 to be snapped into the corresponding first snap slot 7, and ensures that the positioning shaft is not snapped into the second snap slot 11, which can fix the position of the partition 2. Position; under the cooperation of drawing wire 16, bearing 17, gasket 18, positioning rod 19, positioning groove 20, groove 21 and mounting hole 22, turn the handle 9, the handle 9 drives the turntable 8 to rotate through the limit rod 15, and the turntable 8 rotates in the rotating hole 5 through the bearing 17, the rotating shaft 8 wraps and stores the drawing wire 16, the rotating shaft 8 drives the rotating plate 4 to move downward through the drawing wire 16, and the rotating plate 4 drives the partition plate 2 to move downward through the first rod 3, The partition plate 2 drives the gasket 18 to move downward, so that the bottom of the gasket 18 is closely attached to the bottom inner wall of the groove 21 to ensure the tightness between the partition plate 2 and the box 1, push the handle 9, and the handle 9 is The dynamic positioning shaft 10 is snapped into the corresponding second slot 11 to fix the position of the turntable 8 and the rotating plate 4; the present invention fixes the position of the rotating plate 4 through the rotating shaft 6, and then adjusts the distance between the adjacent two partition plates 2 , and the partition plate 2 can be reinforced to increase the sealing performance between the gasket 18 and the box body 1 .

The working principle of the present invention: when in use, pull the handle 9, and the handle 9 drives the positioning shaft 10 and the rotating shaft 6 to move, so that the positioning shaft 10 is separated from the second slot 11, and the rotating shaft 6 is separated from the first slot 7. At this time, the rotating shaft 6. Squeeze the spring 14 through the limit rod 15 to release the restriction on the position of the rotating plate 4. At this time, the partition plate 2 is moved upward, and the partition plate 2 drives the gasket 18 and the positioning rod 19 to move upward, so that the positioning rod 19 and the positioning groove are moved upward. 20 separate, push the partition 2, so that the partition 2 slides in the groove 21, adjust the distance between the two adjacent partitions 2, when the distance between the adjacent two partitions 2 is appropriate, push down The partition plate 2, the partition plate 2 drives the positioning rod 19 to be inserted into the corresponding positioning slot 20. At this time, the handle 9 is pushed, and the handle 9 drives the rotating shaft 6 to be inserted into the corresponding first slot 7, and ensures that the positioning shaft is not stuck into the first slot 7. The position of the partition plate 2 can be fixed in the two card slots 11. At this time, when the handle 9 is rotated, the handle 9 drives the turntable 8 to rotate through the limit rod 15. The turntable 8 rotates in the rotation hole 5 through the bearing 17, and the rotating shaft 8 rotates. 16 is wound and stored. At this time, the rotating shaft 8 drives the rotating plate 4 to move downward through the wire drawing 16. The rotating plate 4 drives the partition plate 2 to move downward through the first rod 3, and the partition plate 2 drives the sealing gasket 18 to move downward, which can make The bottom of the gasket 18 is in close contact with the bottom inner wall of the groove 21 to ensure the sealing between the partition 2 and the box 1. At this time, the handle 9 is pushed, and the handle 9 drives the positioning shaft 10 to be inserted into the corresponding second slot. 11, the positions of the turntable 8 and the turntable 4 are fixed.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (4)

1. The utility model provides a teaching demonstration ware of metal-air battery, this teaching demonstration ware includes box (1), the top of box (1) is equipped with recess (21), movable mounting has a plurality of baffles (2) in recess (21), its characterized in that: the top parts of two sides of the partition plate (2) are fixedly provided with first rods (3), two sides of the box body (1) are respectively provided with a plurality of rotating plates (4), the plurality of rotating plates (4) are arranged in a one-to-one correspondence manner with the plurality of first rods (3), the top parts of the rotating plates (4) are welded with the bottoms of the corresponding first rods (3), one sides of the rotating plates (4) are provided with rotating holes (5), rotating shafts (6) which are horizontally arranged are arranged in the rotating holes (5), the outer sides of the rotating shafts (6) are rotatably sleeved with turntables (8), the turntables (8) are rotatably arranged in the corresponding rotating holes (5), the outer sides of the box body (1) are provided with a plurality of first clamping grooves (7) which are matched with the rotating shafts (6), one ends of the rotating shafts (6) close to the grooves (21) extend into the corresponding first clamping grooves (7), and the rotating shafts (6) are movably clamped with the corresponding first clamping grooves (7);

one end of the rotating shaft (6) far away from the groove (21) extends to the outer side of the corresponding rotating hole (5) and is fixedly provided with a handle (9), one side of the handle (9) close to the box body (1) is fixedly provided with a positioning shaft (10), one side of the rotating plate (4) far away from the box body (1) is provided with a plurality of second clamping grooves (11) matched with the positioning shaft (10), one end of the positioning shaft (10) close to the box body (1) extends into the corresponding second clamping grooves (11) and is movably clamped with the corresponding second clamping grooves (11), one side of the rotating disc (8) is provided with a through hole (12), the rotating shaft (6) is in sliding connection with the corresponding through hole (12), the top inner wall and the bottom inner wall of the through hole (12) are both provided with limiting grooves (13), the limiting rod (15) is arranged in the limiting grooves (13) in a sliding manner, and the limiting rod (15) is fixedly arranged at the outer side of the corresponding rotating shaft (6), the outer side of the rotary disc (8) is wound and fixed with a drawn wire (16), one end of the drawn wire (16) far away from the rotary disc (8) is fixedly connected with the inner wall of the top of the corresponding rotating hole (5), positioning rods (19) are fixedly installed on both sides of the bottom of the partition plate (2), a plurality of positioning grooves (20) matched with the positioning rods (19) are formed in the inner wall of the bottom of each groove (21), the bottom ends of the positioning rods (19) extend into the corresponding positioning grooves (20), springs (14) are welded on one sides of the limiting rods (15) far away from the grooves (21), one ends of the springs (14) far away from the grooves (21) are welded with the inner wall of one side of the corresponding limiting grooves (13) far away from the grooves (21), the bottom ends of the positioning rods (19) are not in contact with the inner walls of the bottoms of the corresponding positioning grooves (20), the bottom of the first rods (3) is not in contact with the top of the box body (1), and the vertical section of the positioning shaft (10) and the vertical section of the second clamping groove (11) are both of a circular structure, the cross section of the positioning rod (19) and the cross section of the positioning groove (20) are both rectangular structures;

during the use, the pulling handle (9), handle (9) drive location axle (10) with pivot (6) remove, make location axle (10) with second draw-in groove (11) separation, pivot (6) with first draw-in groove (7) separation, pivot (6) can pass through gag lever post (15) extrusion spring (14), can remove the restriction to rotor plate (4) position, and upward movement baffle (2) this moment makes locating lever (19) and constant head tank (20) separation, promotes baffle (2), makes baffle (2) slide in recess (21), adjusts the distance between two adjacent baffles (2), when the distance between two adjacent baffles (2) is suitable, pushes down baffle (2), and baffle (2) drive locating lever (19) card go into corresponding constant head tank (20), promote handle (9) this moment, handle (9) drive pivot (6) card go into in corresponding first draw-in groove (7), and guarantee that the location axle does not go into in second draw-in groove (11), the position that can fixed stop board (2), rotate handle (9) this moment, handle (9) drive carousel (8) rotation through gag lever post (15), carousel (8) are rotating hole (5) internal rotation through bearing (17), twine and accomodate wire drawing (16) when carousel (8) rotate, carousel (8) drive rotor plate (4) downstream through wire drawing (16) this moment, rotor plate (4) drive baffle (2) downstream through first pole (3), promote handle (9) this moment, handle (9) drive location axle (10) card go into corresponding second draw-in groove (11), the position of carousel (8) and rotor plate (4) has been fixed.

2. The metal-air battery teaching demonstration device of claim 1 wherein: the both sides and the bottom fixed mounting of baffle (2) have same sealed pad (18), and the outside of sealed pad (18) is connected with the lateral wall activity sealing of recess (21), mounting hole (22) that two symmetries set up are seted up to the bottom of sealed pad (18), the lateral wall fixed connection of the outside of locating lever (19) and corresponding mounting hole (22).

3. The metal-air battery teaching demonstration device of claim 1 wherein: the number of the second clamping grooves (11) on the same rotating plate (4) is twenty-six to twenty-six, and the twenty-six to twenty-six second clamping grooves (11) on the same rotating plate (4) are arranged at intervals at equal intervals in an annular shape.

4. The metal-air battery teaching demonstration device of claim 1 wherein: the quantity of baffle (2) is three to six, and the quantity of the first draw-in groove (7) that lie in same side is eight to twelve, and lies in eight to twelve first draw-in grooves (7) equidistant interval setting of same side.

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