CN219418326U

CN219418326U - Device for demonstrating metal mobility by utilizing primary battery

Info

Publication number: CN219418326U
Application number: CN202223219219.XU
Authority: CN
Inventors: 毛莉; 林子仪; 张冰茹; 卢玉栋; 林清强
Original assignee: Fujian Normal University
Current assignee: Fujian Normal University
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-07-25
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a device for demonstrating metal mobility by utilizing a primary battery, and belongs to the technical field of teaching demonstration equipment. The device for demonstrating metal mobility by using a primary battery comprises: the top of the base is provided with two barreling grooves and two mounting grooves; the fixed demonstration assembly comprises two L-shaped supporting plates, two L-shaped connecting plates, a placement plate, two fixed electric clamps and an electric meter, wherein the two L-shaped supporting plates are movably inserted into the two mounting grooves respectively, the device for demonstrating metal activity by utilizing the primary batteries is inserted into the two L-shaped supporting plates respectively through two groups of fixing rods, so that the fixed demonstration assembly and the base cannot be separated, various scattered instruments are not required to be carried, the whole device can be connected together for carrying, and the whole device is not required to be assembled with various instruments when in use, and can be directly used by only loading necessary solutions and metal rods.

Description

Device for demonstrating metal mobility by utilizing primary battery

Technical Field

The utility model relates to the technical field of teaching demonstration equipment, in particular to a device for demonstrating metal activity by utilizing a primary battery.

Background

The device that generates electric current by the oxidation-reduction reaction is called a primary cell, and may be said to be a device that converts chemical energy into electric energy. Some of the primary cells may constitute reversible cells, while others do not. When the primary battery is discharged, the negative electrode is subjected to oxidation reaction, and the positive electrode is subjected to reduction reaction. For example, copper-zinc primary cells, also known as denier cells, have a positive electrode of copper, immersed in a copper sulfate solution; the cathode is zinc plate, which is immersed in zinc sulfate solution, the two electrolyte solutions are connected by salt bridge, and the two electrodes are connected by lead to form primary cell. The metal mobility refers to the tendency of a metal simple substance to lose electrons in an aqueous solution to generate metal cations, and the metal mobility can be used for comparing the reducibility of metal in water with the oxidability of the corresponding cations, so as to predict the direction of a series of displacement reactions in water, and can be said to be used for easily and obviously demonstrating the metal mobility.

In the teaching work that teaching personnel demonstrate metal activity through the primary cell, teaching personnel need take relevant instrument to the classroom, and primary cell demonstration metal activity needs a large amount of articles such as glass, metal stick, ammeter and electrolyte solution, and these articles are difficult to carry in one go, and before the demonstration work begins, still need teaching personnel to assemble various instruments together, just can demonstrate work, these instruments carry and use very inconvenient, also disuse.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a device for demonstrating metal mobility by utilizing a primary battery, which is not easy to carry compared with the dispersion of the traditional teaching instrument, is inconvenient to assemble in teaching, can be integrally carried, does not need to be assembled in use, and is very convenient and good to use.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme:

an apparatus for demonstrating metal activity with a galvanic cell, comprising:

the top of the base is provided with two barreling grooves and two mounting grooves;

the fixed demonstration assembly comprises two L-shaped supporting plates, two L-shaped connecting plates, a placement plate, two fixed electric clamps and an electric meter, wherein the two L-shaped supporting plates are movably inserted into the two mounting grooves respectively, the two L-shaped connecting plates are fixedly connected with one outer surface of one side of each of the two L-shaped supporting plates respectively, the placement plate is fixedly connected with the tops of the two L-shaped connecting plates, the electric meter is fixedly connected with the top of the placement plate, and the two fixed electric clamps are fixedly connected with the tops of the two L-shaped supporting plates respectively;

the two glass demonstration barrels are respectively and slidably embedded in the two barrel grooves; and

the connecting and fixing assembly is arranged on the base.

As a preferable scheme of the utility model, the connecting and fixing assembly comprises an external box, a threaded rod, a transmission plate and two groups of fixing rods, wherein the external box is fixedly connected to one side outer surface of the base, the threaded rod is rotationally connected between the base and the external box, the transmission plate is in threaded connection with the threaded rod, three fixing rods are arranged in each group, two groups of fixing rods are fixedly connected to one side outer surface of the transmission plate, and one end of each group of three fixing rods extends into the corresponding mounting groove.

As a preferable scheme of the utility model, two limiting rods are fixedly connected between the base and the external box, and the transmission plate is sleeved on the two limiting rods in a sliding way.

As a preferable scheme of the utility model, a round handle is rotatably connected to the outer surface of one side of the external box, and the round handle is fixedly connected with the threaded rod.

As a preferable scheme of the utility model, the top of the placing plate is fixedly connected with a handle.

As a preferable scheme of the utility model, the top of the base is fixedly connected with a supporting frame.

3. Advantageous effects

Compared with the prior art, the utility model provides a device for demonstrating metal mobility by utilizing a primary battery, which has the following beneficial effects:

(1) This utilize device of former battery demonstration metal activity drives the threaded rod through rotating the round handle and rotates, drives the direction removal of drive plate towards the base for in two L type backup pads were inserted respectively to two sets of dead levers, make fixed demonstration subassembly and base unable separation, when the operator need utilize former battery demonstration metal activity, need not carry various dispersion's instrument, whole device can link together and carry, also need not assemble various instruments when using, whole device only needs to pack into necessary solution and metal stick and can directly use, in demonstration teaching work, convenience and the good usefulness very.

(2) This utilize device of former battery demonstration metal activity, when demonstration teaching work is over, reverse rotation threaded rod drives the drive plate and removes towards the direction of keeping away from the base, can drive two sets of L type connecting plates and break away from two L type backup pads for two L type backup pads can take out in the base, take off fixed demonstration subassembly from the base this moment, thereby no longer hinder the taking off of two glass demonstration barrels, can clear up two glass demonstration barrels.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a rear view of the present utility model;

fig. 3 is a cross-sectional view of the present utility model.

The reference numerals in the figures illustrate:

1. a base; 2. an L-shaped support plate; 3. an L-shaped connecting plate; 4. placing a plate; 5. a handle; 6. fixing the electric clamp; 7. glass demonstration barrel; 8. a support frame; 9. an electricity meter; 10. an external box; 11. a threaded rod; 12. a drive plate; 13. a fixed rod; 14. and a limit rod.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1-3, an apparatus for demonstrating metal mobility using a galvanic cell, comprising:

the packaging machine comprises a base 1, wherein two barreling grooves and two mounting grooves are formed in the top of the base 1;

the fixed demonstration assembly comprises two L-shaped support plates 2, two L-shaped connecting plates 3, a placement plate 4, two fixed electric clamps 6 and an electric meter 9, wherein the two L-shaped support plates 2 are movably inserted into the two mounting grooves respectively, the two L-shaped connecting plates 3 are fixedly connected with one side outer surface of the two L-shaped support plates 2 respectively, the placement plate 4 is fixedly connected with the tops of the two L-shaped connecting plates 3, the electric meter 9 is fixedly connected with the tops of the placement plate 4, and the two fixed electric clamps 6 are fixedly connected with the tops of the two L-shaped support plates 2 respectively;

the two glass demonstration barrels 7 are respectively and slidably embedded in the two barrel grooves; and

the connecting and fixing assembly is arranged on the base 1.

In the specific embodiment of the utility model, the ammeter 9 and the two fixed electric clamps 6 are respectively connected through two wires, the two glass demonstration barrels 7 are respectively provided with zinc sulfate and copper sulfate solution, a salt bridge is erected between the two glass demonstration barrels 7, the tops of the two L-shaped support plates 2 are provided with placement holes for zinc bars and copper bars to pass through, the two fixed electric clamps 6 correspond to the two placement holes, the zinc bars and the copper bars are placed in the placement holes and are contacted with the fixed electric clamps 6, current is generated through oxidation-reduction reaction to demonstrate metal activity, the two L-shaped support plates 2 in the fixed demonstration assembly are fixed in the two mounting grooves by the connecting and fixing assembly, the two glass demonstration barrels 7 are stably placed in the two barrel grooves, when an operator needs to demonstrate metal activity by utilizing a primary battery, various dispersed instruments are not needed to be carried together, the whole device can be directly used by only needing to be filled with necessary solution and metal bars without being assembled when the device is used, and the whole device is convenient and good in demonstration teaching work.

Specifically please combine to show in fig. 3, connect fixed subassembly including external box 10, threaded rod 11, drive plate 12 and two sets of dead lever 13, external box 10 fixed connection is in one side surface of base 1, threaded rod 11 rotates to be connected between base 1 and external box 10, drive plate 12 threaded connection is on threaded rod 11, every group dead lever 13 all is provided with three, two sets of dead lever 13 all fixed connection is in one side surface of drive plate 12, every group is three the one end of dead lever 13 all extends to corresponding mounting groove.

In this embodiment, when two L type backup pads 2 are inserted in two mounting grooves, only need rotatory threaded rod 11 drive plate 12 and remove towards the direction of base 1, make two sets of dead levers 13 insert respectively in two L type backup pads 2, can make two L type backup pads 2 by fixed on base 1, thereby make fixed demonstration subassembly and base 1 unable separation, when demonstration teaching work is finished, reverse rotation threaded rod 11 drives drive plate 12 and removes towards the direction of keeping away from base 1, can drive two sets of L type connecting plates 3 and break away from two L type backup pads 2, make two L type backup pads 2 can follow in the base 1 and take out, take off fixed demonstration subassembly from base 1 this moment, thereby no longer hinder the taking off of two glass demonstration barrels 7, can clear up two glass demonstration barrels 7.

Specifically, referring to fig. 3, two limiting rods 14 are fixedly connected between the base 1 and the external box 10, and the driving plate 12 is slidably sleeved on the two limiting rods 14.

In this embodiment, the two limiting rods 14 prevent the driving plate 12 from swaying along with the rotation of the threaded rod 11.

Referring specifically to fig. 2 and 3, a circular handle is rotatably connected to the outer surface of one side of the external box 10, and the circular handle is fixedly connected to the threaded rod 11.

In this embodiment, the round handle is convenient for the operator to rotate the threaded rod 11.

Referring specifically to fig. 1-3, a handle 5 is fixedly connected to the top of the placement plate 4.

In this embodiment, the handle 5 is convenient for a person to hold, thereby conveniently carrying the whole device.

Referring specifically to fig. 1, a supporting frame 8 is fixedly connected to the top of the base 1.

In this embodiment, the support frame 8 is used for supporting the salt bridge, so that the salt bridge can keep better stability when the device moves.

Working principle: the operator drives threaded rod 11 through rotating the round handle and rotates, drive plate 12 and remove towards the direction of base 1, make two sets of dead levers 13 insert respectively in two L type backup pad 2, can make two L type backup pads 2 be fixed on base 1, thereby make fixed demonstration subassembly and base 1 unable separation, when the operator need utilize the primary cell demonstration metal activity, need not carry various dispersion's instrument, whole device can link together and carry, also need not assemble various instruments when using, whole device only need pack into necessary solution and metal stick and can directly use, in demonstration teaching work, very convenient and good use, when demonstration teaching work is finished, reverse rotation threaded rod 11 drives drive plate 12 and removes towards the direction of keeping away from base 1, can drive two L type backup pads 2 of two sets of connecting plates 3 break away from, make two L type backup pads 2 can take out from base 1, take off fixed demonstration subassembly from base 1 this moment, thereby the taking off of two glass barrels 7 can not hinder two demonstration barrels 7, can clear up two demonstration barrels 7.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.

Claims

1. An apparatus for demonstrating metal activity using a galvanic cell, comprising:

the packaging machine comprises a base (1), wherein two barreling grooves and two mounting grooves are formed in the top of the base (1);

the fixed demonstration assembly comprises two L-shaped supporting plates (2), two L-shaped connecting plates (3), a placement plate (4), two fixed electric clamps (6) and an electric meter (9), wherein the two L-shaped supporting plates (2) are movably inserted into the two mounting grooves respectively, the two L-shaped connecting plates (3) are fixedly connected with one side outer surface of the two L-shaped supporting plates (2) respectively, the placement plate (4) is fixedly connected with the tops of the two L-shaped connecting plates (3), the electric meter (9) is fixedly connected with the tops of the placement plate (4), and the two fixed electric clamps (6) are fixedly connected with the tops of the two L-shaped supporting plates (2) respectively;

the two glass demonstration barrels (7) are respectively and slidably embedded in the two barrel grooves; and

the connecting and fixing assembly is arranged on the base (1).

2. A device for demonstrating metal mobility with galvanic cells according to claim 1, characterized in that: the connecting and fixing assembly comprises an external box (10), a threaded rod (11), a transmission plate (12) and two groups of fixing rods (13), wherein the external box (10) is fixedly connected to one side outer surface of a base (1), the threaded rod (11) is rotationally connected between the base (1) and the external box (10), the transmission plate (12) is in threaded connection with the threaded rod (11), each group of fixing rods (13) is provided with three, two groups of fixing rods (13) are fixedly connected to one side outer surface of the transmission plate (12), and one end of each group of three fixing rods (13) is extended into a corresponding mounting groove.

3. An apparatus for demonstrating metal mobility with galvanic cells as claimed in claim 2, wherein: two limiting rods (14) are fixedly connected between the base (1) and the external box (10), and the transmission plate (12) is sleeved on the two limiting rods (14) in a sliding mode.

4. An apparatus for demonstrating metal mobility with galvanic cells as claimed in claim 2, wherein: the outer surface of one side of the external box (10) is rotationally connected with a round handle, and the round handle is fixedly connected with a threaded rod (11).

5. A device for demonstrating metal mobility with galvanic cells according to claim 1, characterized in that: the top of the placing plate (4) is fixedly connected with a handle (5).

6. A device for demonstrating metal mobility with galvanic cells according to claim 1, characterized in that: the top of the base (1) is fixedly connected with a supporting frame (8).