CN112957752A

CN112957752A - Safe type battery case of children's toys

Info

Publication number: CN112957752A
Application number: CN202110221470.0A
Authority: CN
Inventors: 陈兰
Original assignee: Individual
Current assignee: Marvel Guangzhou Culture Communication Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2021-06-15
Anticipated expiration: 2041-02-27
Also published as: CN112957752B

Abstract

The invention discloses a safe battery box for children toys, which comprises a box body and a box cover, wherein the box body and the box cover are rotationally connected through a pin shaft, elastic electric connecting pieces and electric connecting plates are respectively embedded on the inner walls of two sides of the box body, the box body is positioned on the box walls of the two sides of the box cover and is respectively provided with a first cavity and a second cavity, a liquid guide pipe is embedded in the box body, two ends of the liquid guide pipe are respectively communicated with the first cavity and the second cavity, and one side of the box cover positioned on the first cavity is provided with a sliding groove. Has the advantages that: when the box cover needs to be opened, the correct pressing sequence and the pressing time are needed, and children do not know the opening mode and the pressing sequence of the box cover, so that even if the children accidentally press the sequence correctly, the magnetic force generated by the electromagnet is insufficient, the clamping block slides, the battery box is prevented from being opened by the children, and the situation that the batteries are swallowed by mistake is avoided.

Description

Safe type battery case of children's toys

Technical Field

The invention relates to the technical field of children toys, in particular to a safe battery box for the children toys.

Background

The types of children's toys are mainly: toy figures, technical toys, amalgamation and assembly toys, construction and construction toys, sporting activity toys, music sounding toys, labor activity toys, decorative toys, homemade toys, and the like. The general educational requirements for the toy are: is beneficial to promoting the overall development of children body, moral, intelligence and beauty; the children age characteristics are met, and the curiosity, the motivation and the exploration activities of the children can be met; the modeling is beautiful and reflects the typical characteristics of things; the activity is variable, which is helpful for encouraging learning; the color is nontoxic, and the cleaning and disinfection are easy; meets the safety requirements and the like.

At present, electric toys for children are generally provided with a battery box, the battery box is easy to open when children play, the battery is taken out for playing, when adults pay no attention, the children can mistakenly swallow the battery, danger is caused, meanwhile, when the toys are used, the battery works abnormally and generates heat due to collision or some reasons, and the danger of explosion is caused when the toys are serious; to this end, we propose a safety battery pack for children's toys.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a safety type battery box for a child toy.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a children's toys safety type battery case, includes box body and lid, box body and lid rotate through the round pin axle to be connected, inlay respectively on the both sides inner wall of box body and be equipped with elasticity electric connecting piece and connect the electric plate, first cavity and second cavity have been seted up respectively on the box body lies in the both sides box wall of lid, a catheter has been buried underground in the box body, the both ends of catheter communicate with first cavity and second cavity respectively, the lid lies in one side of first cavity and sets up by the spout, sliding connection has the magnetic fixture block in the spout, be provided with a first spring and fixture block fixed connection in the spout, the box body lies in the box wall of the correspondence of spout on the lid and has seted up draw-in groove and first cavity intercommunication, the one end that first spring was kept away from to the fixture block is provided with spring.

In foretell children's toys safety type battery case, sealed sliding connection has first piston plate in the first cavity, the lower terminal surface fixedly connected with vertical first slide bar of first piston plate, the lower extreme of first slide bar runs through the chamber wall and extends to the box body outside, the lower terminal surface of first piston plate and the bottom chamber wall of first cavity are connected with a second spring jointly, sealed sliding connection has a second piston plate in the second cavity, the lower terminal surface fixedly connected with vertical second slide bar of second piston plate, the lower extreme of second slide bar runs through the chamber wall and extends to the box body outside, the top space that first cavity is located first piston plate, second cavity are located the top space of second piston plate and catheter intussuseption are full of coolant liquid.

In the safe battery box for children toys, the second cavity is positioned on the lower cavity wall of the second piston plate and is fixedly provided with the two piezoelectric blocks, the side rod wall of the first sliding rod, which is positioned on the clamping groove, is embedded with the electromagnet, and the electromagnet is electrically connected with the two piezoelectric blocks through the lead and is connected with the switching circuit in series to form a delay capacitor.

In foretell children's toys safety type battery case, the spacing groove has been seted up to one side that the lid is located the second cavity, the spacing groove, spread groove and second cavity intercommunication have been seted up on the box wall that the box body is located the correspondence of spacing groove on the lid, sliding connection has the stopper in the spread groove, it is connected with the gear to rotate on the chamber wall of second cavity, the vertical first rack of fixedly connected with on the second slide bar, the one end fixedly connected with that the lid was kept away from to the stopper has the horizontally second rack, first rack and second rack all with gear engagement.

In foretell children's toy safety type battery case, the box body is located to have seted up in a side box wall of connecing the electroplax and connects the electricity groove, connect the rotating plate that sliding connection has a piece in the electricity groove, the rotating plate with connect fixedly connected with conductive spring between the electroplax, the rotating plate is located one side of conductive spring and inlays and be equipped with first busbar and be connected with the conductive spring contact, it is equipped with the conducting strip to connect to inlay on the top cell wall of electricity groove, conducting strip and elasticity connect the electric piece to pass through the wire and are connected with toy car circuit electricity.

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

1. according to the invention, the box cover and the box body are in double clamping connection through the limiting block and the clamping block, so that the box cover and the box body are connected more firmly, the battery box in the battery is prevented from being separated in the playing process of children, meanwhile, the cooling liquid arranged in the box body can play a role of heat dissipation while being in hydraulic transmission, and the service life of the battery is prolonged;

2. when the box cover needs to be opened, the correct pressing sequence and pressing time are needed, and children do not know the opening mode and the pressing sequence of the box cover, so that even if the children do not intend to correctly press the sequence, the magnetic force generated by the electromagnet is not enough, and the clamping block slides when the magnetic force generated by the electromagnet is not enough, so that the battery box is prevented from being opened by the children, and the situation that the batteries are swallowed by mistake is avoided;

3. when the power-off protection device is used, if the battery is abnormally heated, the abnormal temperature rise is utilized to trigger the power-off protection mechanism, so that the conducting strips and the conducting strips are separated in a staggered mode, power is timely turned off, further dangers are avoided, and the playing safety of children is improved.

Drawings

FIG. 1 is a schematic view of a safety battery pack for a child toy according to the present invention;

FIG. 2 is an enlarged view of a safety battery pack for a child toy according to the present invention at position A;

FIG. 3 is an enlarged view of a safety battery pack for a child toy according to the present invention at the position B;

fig. 4 is an enlarged view of the safety battery box for children's toys according to the present invention at the position C.

In the figure: the device comprises a box body 1, a box cover 2, an elastic electric connecting piece 3, an electric connecting plate 4, a first cavity 5, a second cavity 6, a liquid guide tube 7, a sliding chute 8, a clamping block 9, a first spring 10, a clamping groove 11, a first piston plate 12, a first sliding rod 13, a second spring 14, an electromagnet 15, a second piston plate 16, a second sliding rod 17, a limiting groove 18, a connecting groove 19, a limiting block 20, a gear 21, a first rack 22, a second rack 23, a piezoelectric block 24, an electric connecting groove 25, a rotating plate 26, a conductive spring 27, a conductive piece 28 and a conductive strip 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are only for illustrative purposes and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, a safe battery box for children toys, including a box body 1 and a box cover 2, the box body 1 and the box cover 2 are rotatably connected through a pin, elastic electric connecting pieces and electric connecting plates 4 are respectively embedded on inner walls of two sides of the box body 1, a first cavity 5 and a second cavity 6 are respectively formed on box walls of two sides of the box body 1, a liquid guide tube 7 is embedded in the box body 1, two ends of the liquid guide tube 7 are respectively communicated with the first cavity 5 and the second cavity 6, a sliding groove 8 is formed on one side of the box cover 2, which is located at the first cavity 5, a magnetic clamping block 9 is slidably connected in the sliding groove 8, a first spring 10 and the clamping block 9 are fixedly connected in the sliding groove 8, a clamping groove 11 is formed on a corresponding box wall of the box body 1, which is located at the upper sliding groove 8 of the box cover 2, and is communicated with the first cavity 5.

A first piston plate 12 is connected in the first cavity 5 in a sealing and sliding manner, a vertical first slide rod 13 is fixedly connected to the lower end face of the first piston plate 12, the lower end of the first slide rod 13 penetrates through the cavity wall and extends to the outer side of the box body 1, a second spring 14 is connected to the lower end face of the first piston plate 12 and the bottom cavity wall of the first cavity 5 together, a second piston plate 16 is connected in the second cavity 6 in a sealing and sliding manner, a vertical second slide rod 17 is fixedly connected to the lower end face of the second piston plate 16, the lower end of the second slide rod 17 penetrates through the cavity wall and extends to the outer side of the box body 1, the first cavity 5 is positioned in the upper space of the first piston plate 12, the second cavity 6 is positioned in the upper space of the second piston plate 16, and the liquid guide tube 7 are filled with cooling liquid, and the cooling liquid can play a role of, with the first spring 14 held in a normal condition, the second piston plate 12 within the second cavity 6 does not contact the piezoelectric block 24.

Two piezoelectric blocks 24 are fixed on the lower cavity wall of the second cavity 6 located on the second piston plate 16, an electromagnet 15 is embedded on a side rod wall of the first sliding rod 13 located on the clamping groove 11, the electromagnet 15 is electrically connected with two piezoelectric blocks 24 through a lead wire and is serially connected with a time delay capacitor in a circuit, a limiting groove 18 is formed in one side of the box cover 2 located on the second cavity 6, the limiting groove 18 is formed in one side of the box cover 1 located on the box cover 2 corresponding to the limiting groove 18, a connecting groove 19 is formed in the box cover 2 and communicated with the second cavity 6, a limiting block 20 is slidably connected in the connecting groove 19, a gear 21 is rotatably connected to the cavity wall of the second cavity 6, a vertical first rack 22 is fixedly connected to the second sliding rod 17, a horizontal second rack 23 is fixedly connected to one end, far away from the box cover 2, of the limiting block 20, and the first rack 22 and.

The box body 1 is provided with a power connection groove 25 in one side box wall of the power connection plate 4, a rotating plate 26 is connected in the power connection groove 25 in a sliding mode, the rotating plate 26 is fixedly connected with a conductive spring 27 between the power connection plate 4, one side of the rotating plate 26, which is located on the conductive spring 27, is embedded with a first conductive strip 29 which is in contact connection with the conductive spring 27, a conductive strip 28 is embedded on the upper side box wall of the power connection groove 25, and the conductive strip 28 and the elastic power connection piece 3 are electrically connected with a toy car circuit through wires.

In the invention, the box cover 2 and the box body 1 are in double clamping connection through the limiting block 20 and the clamping block 9, so that the connection between the box cover 2 and the box body 1 is firmer, the separation of a battery box in a battery in a playing process of a child is avoided, when the box cover 2 needs to be opened, the first slide bar 13 is firstly pressed to enable the first piston plate 12 to slide upwards, the second piston plate 16 in the second cavity 6 is enabled to slide downwards through hydraulic transmission of cooling liquid in the liquid guide tube 7 to extrude the two piezoelectric blocks 24, the piezoelectric blocks 24 are made of piezoelectric ceramics, current is generated after the piezoelectric blocks are pressed to charge the time delay capacitor, after the time delay capacitor is charged for a certain time, the pressing on the first slide bar 13 is released, the second slide bar 17 is pressed immediately to enable the second slide bar 17 to slide upwards, the gear 21 is driven to rotate through the first rack 22, then the second rack 23 and the limiting block 20 are driven to slide, so that the limiting block 20 slides, the first double clamping is released, meanwhile, the first piston plate 12 in the first cavity 5 slides downwards under the reverse-pushing hydraulic pressure, so that the electromagnet 15 is opposite to the clamping block 9, the piezoelectric block 24 stops charging the capacitor after not being pressed, the capacitor discharges the electromagnet 15, a magnetic field is generated after the electromagnet 15 is electrified, a magnetic repulsion force is generated on the clamping block 9, the clamping block 9 is pushed to leave the clamping block 11, the second double clamping is released, the box cover 2 can be opened, and a child does not know the opening mode and the pressing sequence of the box cover.

If the toy generates abnormal heat when the battery is used, the generated heat is transferred to the conductive spring 27 in the power connection slot 25, the conductive spring 27 is made of memory metal, and is extended and deformed after reaching the deformation temperature, the rotating plate 26 is pushed to slide, the conductive plate 28 and the conductive bar 29 are separated in a staggered mode, power failure is timely realized, further danger is avoided, and the playing safety of children is improved.

Although the terms of the case body 1, the case cover 2, the elastic electric contact piece 3, the electric contact plate 4, the first cavity 5, the second cavity 6, the liquid guide tube 7, the sliding groove 8, the clamping block 9, the first spring 10, the clamping groove 11, the first piston plate 12, the first sliding bar 13, the second spring 14, the electromagnet 15, the second piston plate 16, the second sliding bar 17, the limiting groove 18, the connecting groove 19, the limiting block 20, the gear 21, the first rack 22, the second rack 23, the piezoelectric block 24, the electric contact groove 25, the rotating plate 26, the conductive spring 27, the conductive sheet 28, and the conductive strip 29 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The safe battery box for children toys comprises a box body (1) and a box cover (2), and is characterized in that the box body (1) and the box cover (2) are rotatably connected through a pin shaft, elastic electric connecting pieces and electric connecting plates (4) are respectively embedded on inner walls of two sides of the box body (1), a first cavity (5) and a second cavity (6) are respectively formed in box walls of two sides of the box cover (2) of the box body (1), a liquid guide pipe (7) is embedded in the box body (1), two ends of the liquid guide pipe (7) are respectively communicated with the first cavity (5) and the second cavity (6), a sliding groove (8) is formed in one side of the box cover (2) located in the first cavity (5), a magnetic clamping block (9) is connected in the sliding groove (8) in a sliding manner, a first spring (10) is fixedly connected with the clamping block (9) in the sliding groove (8), the box body (1) is located on the box wall corresponding to the upper sliding groove (8) of the box cover (2), a clamping groove (11) is formed in the box wall and communicated with the first cavity (5), and a bolt-shaped structure is arranged at one end, far away from the first spring (10), of the clamping block (9).

2. The safety type battery box for children toys according to claim 1, wherein a first piston plate (12) is connected in the first cavity (5) in a sliding and sealing manner, a vertical first slide rod (13) is fixedly connected to the lower end face of the first piston plate (12), the lower end of the first slide rod (13) extends to the outside of the box body (1) through the cavity wall, a second spring (14) is connected to the lower end face of the first piston plate (12) and the bottom cavity wall of the first cavity (5) together, a second piston plate (16) is connected in the second cavity (6) in a sliding and sealing manner, a vertical second slide rod (17) is fixedly connected to the lower end face of the second piston plate (16), the lower end of the second slide rod (17) extends to the outside of the box body (1) through the cavity wall, and the first cavity (5) is located above the first piston plate (12), The second cavity (6) is positioned above the second piston plate (16) and the liquid guide pipe (7) is filled with cooling liquid.

3. The safety battery box for children toys as claimed in claim 2, wherein the second cavity (6) is located on the lower cavity wall of the second piston plate (16) and is fixed with two piezoelectric blocks (24), the first sliding rod (13) is embedded with an electromagnet (15) on one side rod wall of the clamping groove (11), and the electromagnet (15) is electrically connected with the two piezoelectric blocks (24) through a lead and is connected with a delay capacitor in series in a circuit.

4. The safety type battery box for children toys according to claim 3, wherein a limiting groove (18) is formed in one side, located in the second cavity (6), of the box cover (2), the limiting groove (18), a connecting groove (19) is formed in the box wall, located in the box cover (2), corresponding to the limiting groove (18), of the box body (1) and communicated with the second cavity (6), a limiting block (20) is connected in the connecting groove (19) in a sliding mode, a gear (21) is connected to the wall of the second cavity (6) in a rotating mode, a vertical first rack (22) is fixedly connected to the second sliding rod (17), a horizontal second rack (23) is fixedly connected to one end, far away from the box cover (2), of the limiting block (20), and the first rack (22) and the second rack (23) are both meshed with the gear (21).

5. The safety type battery box for children toys according to claim 1, wherein the box body (1) is provided with a power receiving groove (25) in one side box wall of the power receiving plate (4), a rotating plate (26) is slidably connected in the power receiving groove (25), a conductive spring (27) is fixedly connected between the rotating plate (26) and the power receiving plate (4), a first conductive strip (29) is embedded in one side of the rotating plate (26) which is located on the conductive spring (27) and is in contact connection with the conductive spring (27), a conductive strip (28) is embedded in the upper side box wall of the power receiving groove (25), and the conductive strip (28) and the elastic power receiving strip (3) are electrically connected with a toy car circuit through wires.