Multifunctional safety device for car seat and car safety seat

Abstract

The invention relates to a multifunctional safety device for a car seat. The device comprises a retractor, a safety belt movably sleeved and equipped with a first fastener, a first fastener groove arranged at the joint of a car seat back and a seat cushion and clamped with the first fastener in a matched way when a passenger is in the sitting state, and a second fastener groove arranged at the bottom of the seat cushion or arranged to be close to the seat cushion and clamped with the first fastener in a matched way when the passenger is in the lying state or in the article storage process, wherein the length of the safety belt is defined in a way that the first fastener and the second fastener groove can be clamped in a matched way. The invention further discloses the car safety seat with the multifunctional safety device. Due to the adoption of the multifunctional safety device and the backseat with the multifunctional safety device, the structure is simple, the performance is excellent, and the passenger is more comfortable and safe when the passenger sits or lies; and in addition, the car seat space is effectively utilized, so that articles can be more stably stored. Meanwhile, the safety performance of the device is improved, the functions of the device are added, and the using effect of the device is better.

Description

Technical field [0001] The invention relates to a safety protection device for car seats, in particular to a multifunctional safety device and a car seat installed with the safety device. Background technique [0002] With the gradual improvement of today's social and economic levels, more and more people own various types of cars, and the seat belt on the car has become one of the important accessories, which can provide safety guarantee for the passengers in the accident. Measures. [0003] In the 1950s, Volvo engineers worked hard to develop car seat belts into the existing technical solutions we know today. Chinese patent document CN201040516Y discloses a car seat belt. In CN100486840C, a seat belt device is also disclosed. In addition, EP2492157A1 also discloses a seat belt system for seats. [0004] However, the seat belt device in the above patent documents can generally only be used to provide safety protection for passengers in a sitting state. When the passengers are i...

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Problems solved by technology

[0004] But the seat belt device in the above-mentioned patent document can only be used to generally provide safety guarantee for the passenger under the sitting position state, when the passenger is in the lying state, especially when the seat of more than two seats, when the passenger needs to have a rest, or because of body When the situation requires that the lying state must be used, or when placing objects on the seat, due to the restrictions of the buckle position of the seat belt and the installation position of the belt, it cannot be used for passengers in the lying state or when the placing of obje

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