CN112002867A

CN112002867A - Battery for toy car

Info

Publication number: CN112002867A
Application number: CN202010908475.6A
Authority: CN
Inventors: 王杰
Original assignee: Deqing Haijie Packaging Co ltd
Current assignee: Deqing Haijie Packaging Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2020-11-27

Abstract

The invention discloses a battery for a toy car, which comprises a shell, an inner core, a positive electrode and a negative electrode, wherein a conductive plate and a partition plate are fixed on the inner wall of the shell, a sliding groove is formed in the side wall of the partition plate in a penetrating mode, a return spring is fixed at the bottom of the sliding groove, a sliding box which is connected with the inner wall of the sliding groove in a sliding mode is fixed at the upper end of the return spring, a power connection mechanism is arranged inside the sliding box, and a power connection plate is fixed on one side, close to the negative electrode, of the conductive plate. Has the advantages that: when the battery is used, the battery needs to be vertically placed, so that the electrorheological fluid is gathered towards one side to connect the short column and the long column electrically, the battery and an external power supply circuit can be communicated, otherwise, the battery and an external circuit are always kept in an electrically isolated state, so that the electric leakage of the battery cannot be caused, the service life of the battery is prolonged, the toy car cannot be vertically placed under the general condition when being placed, and the electric leakage phenomenon cannot be caused inside the toy car even if the battery is placed all the time.

Description

Battery for toy car

Technical Field

The invention relates to the technical field of batteries, in particular to a battery for a toy car.

Background

In daily life, a cylindrical battery is the most widely used battery, and the battery is generally used for living goods such as remote controllers, toy vehicles and the like; for an electronic circuit, because the coupling between components is very compact, even if the output end has no output, the input end can generate weak leakage current; from a long-term view, the leakage current is much less, and occupies a considerable proportion of the electric quantity of the whole battery, so that the service life of the battery is greatly shortened;

therefore, in the in-service use process, a lot of children just directly place the toy car aside after the toy car is played, put it to the inside battery of toy car, and current battery need put in the battery box after turning the positive negative pole of battery in order to avoid the electric leakage, but this battery case of need being pulled out with the battery, it is very inconvenient, consequently, a large amount of users can not take out the battery after the toy car uses, cause the battery to be detained in the toy car for a long time, thereby the loss of the inside electric quantity of battery has been leaded to, make the life of battery reduce.

Disclosure of Invention

The invention aims to solve the problem of battery leakage caused by long-term non-removal of a battery in a toy car in the prior art, and provides a battery for the toy car.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a battery for toy car, includes casing, inner core, positive electrode, negative electrode, the inner wall of casing is fixed with current conducting plate and baffle, the lateral wall of baffle runs through and has seted up the spout, the bottom of spout is fixed with reset spring, reset spring's upper end is fixed with the slide box with spout inner wall sliding connection, the inside of slide box is equipped with connects the electric mechanism, one side that current conducting plate and negative electrode are close to each other all is fixed with connects the electric plate.

In the battery for toy vehicles, the power connection mechanism comprises two power connection poles which are inserted through the inner wall of the sliding box, the two power connection poles are respectively abutted against the two power connection plates, a short pole and a long pole are respectively fixed at the ends, close to each other, of the two power connection poles, and electrorheological fluid is filled in the sliding box.

In the battery for the toy car, a sealing sleeve is fixed on the outer wall of the sliding box and the inner bottom of the sliding groove together, a dichloromethane solution is filled in the sealing sleeve, and the return spring is located in the sealing sleeve.

Compared with the prior art, the invention has the advantages that:

1. in the invention, when the battery is used, the battery needs to be vertically placed, so that the electrorheological fluid is gathered to one side to electrically connect the short column and the long column, and the battery can be communicated with an external power supply circuit, otherwise, the battery and an external circuit are always kept in an electrically isolated state, so that the electric leakage of the battery can not be caused, the service life of the battery is prolonged, and the toy car can not be vertically placed under the ordinary condition when being placed, so that the electric leakage phenomenon can not be caused even if the battery is always placed in the toy car, and the battery can not be taken out only by turning off the power supply after the toy car is used, so that the protection of the battery can be realized, the inconvenience of people in removing the battery is avoided, and the use;

2. in the invention, due to the existence of the electrorheological fluid in the battery, once the battery successfully supplies power to the outside, the electrorheological fluid is electrified, and the electrorheological fluid is electrified to solidify and expand the electrorheological fluid, so that the electrorheological fluid does not have fluidity any more, but two electric poles are stably connected, the battery can stably supply power to the outside, and even if the toy car continuously carries the battery to shake and bump, the power-off phenomenon can not occur any more, and the use is more stable;

3. according to the invention, the battery can continuously generate heat in the use process of the battery, the heat dissipation capacity of the battery is limited, when the battery is played for a long time of a toy car for supplying power for a long time, the heat in the battery can not be dissipated in time, so that the heat is accumulated in the battery, the dichloromethane solution in the sealing sleeve is heated and evaporated, the air pressure in the sealing sleeve is increased, the sliding box is pushed by pressure to move upwards, the electric connection column is separated from the electric connection plate, the battery stops supplying power to the outside, the self-protection of the battery is realized, the battery is prevented from being overheated and exploding, and the use process is safer.

Drawings

FIG. 1 is a schematic diagram of a toy vehicle battery according to the present invention;

fig. 2 is a sectional view taken in the direction a of fig. 1.

In the figure: the device comprises a shell 1, an inner core 2, a positive electrode 3, a negative electrode 4, a conductive plate 5, a separator 6, a chute 7, an electric connecting plate 8, a return spring 9, a slide box 10, an electric connecting post 11, a short post 12, a sealing sleeve 13 and a long post 14.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-2, a battery for a toy car comprises a shell 1, an inner core 2, a positive electrode 3 and a negative electrode 4, wherein a conductive plate 5 and a partition plate 6 are fixed on the inner wall of the shell 1, the partition plate 6 is made of an insulating material, a sliding groove 7 is formed in the side wall of the partition plate 6 in a penetrating mode, a return spring 9 is fixed at the bottom of the sliding groove 7, a sliding box 10 connected with the inner wall of the sliding groove 7 in a sliding mode is fixed at the upper end of the return spring 9, a power connection mechanism is arranged inside the sliding box 10, and a power connection plate 8 is fixed on one side, close to each other.

The electric connection mechanism comprises two electric connection posts 11 which are inserted on the inner wall of the sliding box 10 in a penetrating way, the two electric connection posts 11 are respectively abutted against the two electric connection plates 8, short posts 12 and long posts 14 are respectively fixed at the mutually close ends of the two electric connection posts 11, the short posts 12 and the long posts 14 on the two electric connection posts 11 are respectively corresponding and arranged in a staggered way, so that the two electric connection columns 11 can not be directly and electrically connected, the slide box 10 is filled with electrorheological fluid, the amount of the electrorheological fluid is less, when the battery is horizontally placed, the electrorheological fluid cannot contact the electric connecting column 11, the short column 12 and the long column 14, and thus is in a state of being disconnected from the outside when the battery is horizontally placed, and after the battery is vertically placed, since the long column 14 is long, even if the electro-rheological fluid is small, the long column 14 can be contacted, thereby electrically connecting the short pole 12 and the long pole 14, and further allowing the battery to communicate with the outside, and supplying power to the outside.

The outer wall of the sliding box 10 and the inner bottom of the sliding groove 7 are jointly fixed with a sealing sleeve 13, the sealing sleeve 13 is made of elastic rubber materials, dichloromethane solution is filled in the sealing sleeve 13, the return spring 9 is located inside the sealing sleeve 13, dichloromethane is gasified along with the rise of the internal temperature of the battery, the internal air pressure of the sealing sleeve 13 is increased, the sliding box 10 is pushed to move upwards by the air pressure, and the extension of the return spring 9 and the stretching deformation of the sealing sleeve 13 are synchronously changed.

In the invention, when the toy car is played, the battery is arranged in the toy car, in order to start the toy car, the switch at the bottom of the toy car needs to be started, the switch at the bottom of the toy car can be started better only by vertically placing the toy car, then the battery supplies power to the toy car, so that the battery supplies power to the outside, when the switch is started, because the toy car and the battery in the car are in a vertical state under the starting action, the electrorheological fluid inside the slide box 10 flows toward the electric connection post 11 on one side under the action of gravity, so that the electrorheological fluid is gathered on one side, so that the electrorheological fluid connects the short column 12 and the long column 14, which originally have a gap, and the two electric connecting columns 11, which originally cannot be electrically connected, are electrically connected, so that the two electric connecting plates 8 are electrically connected, so that the battery can smoothly supply power to the outside, and the toy car can run after the switch is turned on;

since the short column 12 and the long column 14 are connected by the electrorheological fluid, current can also pass through the electrorheological fluid, the original liquid electrorheological fluid is fixed and expanded after being electrified, and the solidified electrorheological fluid does not have fluidity any more, so that the condition of power failure can not be caused even if the subsequent battery shakes along with the running of the toy car, and the stable power supply of the battery can be ensured when the toy car is used;

when the toy car is used for a long time, the battery heats to enable the temperature of the battery to rise rapidly due to long-time work, after the temperature of the battery rises, dichloromethane solution in the sealing sleeve 13 directly absorbs heat emitted from the interior of the battery, so that the pressure in the sealing sleeve 13 is increased due to evaporation, the sliding box 10 pulls the reset spring 9 to extend and the sealing sleeve 13 to deform and move upwards under the push of air pressure, and along with the continuous rise of the temperature of the battery, the dichloromethane solution is continuously evaporated, the sliding box 10 moves upwards continuously, when the sliding box 10 moves to a certain position, the two electric connecting columns 11 are separated from the two electric connecting plates 8, so that a power supply passage of the battery is cut off, the battery stops supplying power to the outside, the battery explosion caused by continuous power supply and heating of the battery under a high-temperature environment is avoided to a certain extent, and after the temperature of the battery stops supplying power and recovers, methylene dichloride in the sealing sleeve 13 is gradually liquefied, so that the sliding box 10 is gradually reset under the elastic force of the reset spring 9, the power connection column 11 is contacted with the power connection plate 8 again, the electrorheological fluid is synchronously powered off when the battery is powered off after overheating, the electrorheological fluid is liquefied, the battery and the toy car are kept in a horizontal state after the power off, the short column 12 and the long column 14 cannot be connected by the electrorheological fluid horizontally placed in a liquid state, and the battery is kept in a non-power supply state after the power off until a user restarts the vehicle after cooling;

therefore, when the toy car is not used, even if the battery is placed inside the toy car and not removed, as long as the battery is powered off, the electrorheological fluid can be liquefied and is not connected with the short column 12 and the long column 14, the external power supply path of the battery is interrupted, the battery can not form a closed loop with the outside and the phenomenon of electric leakage of the battery can not be ensured, and the toy car can be realized as long as the toy car is not placed by standing, the toy car per se also does not need to be placed by standing, therefore, the habit of people can be completely met when the toy car is placed, the inconvenience of use can not be caused, the electric leakage phenomenon caused by long-term non-use of the battery can be effectively avoided, the service life of the battery is greatly prolonged, and.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a battery for toy car, includes casing (1), inner core (2), positive electrode (3), negative electrode (4), its characterized in that, the inner wall of casing (1) is fixed with current conducting plate (5) and baffle (6), the lateral wall of baffle (6) runs through and has seted up spout (7), the bottom of spout (7) is fixed with reset spring (9), the upper end of reset spring (9) is fixed with slide box (10) with spout (7) inner wall sliding connection, the inside of slide box (10) is equipped with connects the electric mechanism, one side that current conducting plate (5) and negative electrode (4) are close to each other all is fixed with connects electroplax (8).

2. The battery for toy car according to claim 1, wherein said electric connection mechanism comprises two electric connection posts (11) inserted through the inner wall of the sliding box (10), two of said electric connection posts (11) are respectively abutted against two electric connection plates (8), one end of each of two of said electric connection posts (11) close to each other is fixed with a short post 12 and a long post 14, and the sliding box 10 is filled with electrorheological fluid.

3. The battery for the toy car as claimed in claim 2, wherein a sealing sleeve (13) is fixed on the outer wall of the sliding box (10) and the inner bottom of the sliding groove (7) together, the interior of the sealing sleeve (13) is filled with dichloromethane solution, and the return spring (9) is located inside the sealing sleeve (13).