Car bottom structure of car model

• Main Author: ZHOU YIBO
• Format: Patent
• Language: Chinese; English
• Published: 12.11.2021
• Subjects: AMUSEMENTS; BASIC ELECTRIC ELEMENTS; ELECTRICITY; GAMES; HUMAN NECESSITIES; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SPORTS; TOYS, e.g. TOPS, DOLLS, HOOPS, BUILDING BLOCKS

The embodiment of the utility model discloses a car bottom structure of a car model. The car bottom structure comprises a circuit system and a car bottom piece. The circuit system comprises a button cell, a copper sheet, a circuit board, a horn and a light-emitting device. The vehicle bottom part is provided with a horn groove, the horn groove is a circle of surrounding bone wrapping the horn, a circle of small step with the same outer diameter as a vibrating diaphragm of the horn is arranged in the surrounding bone, the bottom of the horn groove is provided with a sound passing groove composed of an inner strip-shaped groove and an outer strip-shaped groove, the inner strip-shaped groove and the outer strip-shaped groove are opposite to the inner bottom face and the outer bottom face respectively, and the vehicle bottom part is provided with a battery box. The battery box is provided with a deep groove area and a shallow groove area, the deep groove area is provided with a through hole and is also provided w