A portable fastening device for a safety belt of a car, according to the disclosure, includes a case formed in the shape of a V and having opening parts respectively formed to be separate from each other in both ends of the V-shaped case such that the fastening clips of seat belts are inserted thereinto, one pair of fastening parts respectively provided to the inner space of a portion, which is inclined in the shape of V in the case, so as to be fastened to the fastening clips of the safety belts, which are inserted through the opening parts, and release parts mounted on upper end portions of the inner space of the case so as to operate such that the fastening clips of the safety belts, which are fastened to the fastening parts, are released.

A child safety harness assembly for securing a child in a vehicle includes a first strap that has a midsection. The midsection is curved, such that opposing side sections of the strap extend in substantial parallelism from the midsection. Each of a pair of second straps is coupled to and extends between the opposing side sections. The second straps are substantially evenly spaced between the midsection and opposing ends of the first strap. A third strap has a first endpoint that is coupled to the midsection equally distant from the opposing ends of the first strap. Each of a set of three couplers is coupled singly to the opposing ends and the third strap. The second straps and the third strap are length adjustable. The couplers are configured to couple to anchors of the vehicle to couple the child to the vehicle.

A safety belt connecting structure includes first and second shoulder belts, and an adjusting belt. The first and second shoulder belts have corresponding first and second shoulder belt coupling ends and first and second shoulder belt connecting end, and the first shoulder belt engaging end is coupled to a facility where the safety belt connecting structure is installed. The second shoulder belt coupling end is coupled to the facility. The adjusting belt has an adjusting belt connecting end and an adjusting belt adjusting end. The adjusting belt connecting end is connected with the first and second shoulder belt connecting ends, and the adjusting belt adjusting end is adjustably fixed with a positioning portion on the facility, so that an acting length of the safety belt connecting structure with respect to the facility is adjustable by adjusting a position of the adjusting belt with respect to the positioning portion.

The child safety seat for transporting a child in a vehicle is configured for the child to be secured to the child safety seat with a safety belt of the vehicle, and is characterized in that the child safety seat comprises a belt pad which is adapted to be arranged on the safety belt. The belt pad of the child safety seat preferably comprises a lower component and an upper component, wherein the lower component is configured to be positioned between the safety belt and the child when the child is seated in the child safety seat and is secured in the child safety seat with the safety belt, and wherein the upper component is configured to be positioned on the side of the safety belt opposite to the side the lower component is positioned on.

A vehicle seat belt system (20) has a seat belt webbing (22) which is attached to a tongue (30) that fastens into a buckle mechanism (6) fixed to a load bearing part of the vehicle. The belt system (20) has a seat belt retractor (40), a seat belt webbing (22) with a lap belt portion (23) appropriately anchored and shoulder harness portion (25), a self-adjustable webbing guide (65) and a vertical strap webbing (55). The self-adjusting webbing guide (65) includes a pivoting guide (66) connected to a locking mechanism (70) activated by a forward movement of the occupant (1, 100) extending the shoulder webbing (25).

A safety belt connecting structure includes first and second shoulder belts, and an adjusting belt. The first and second shoulder belts have corresponding first and second shoulder belt coupling ends and first and second shoulder belt connecting end, and the first shoulder belt engaging end is coupled to a facility where the safety belt connecting structure is installed. The second shoulder belt coupling end is coupled to the facility. The adjusting belt has an adjusting belt connecting end and an adjusting belt adjusting end. The adjusting belt connecting end is connected with the first and second shoulder belt connecting ends, and the adjusting belt adjusting end is adjustably fixed with a positioning portion on the facility, so that an acting length of the safety belt connecting structure with respect to the facility is adjustable by adjusting a position of the adjusting belt with respect to the positioning portion.

The present disclosure provides a buckle, including a male buckle having an engaged portion; a female buckle including a housing, a cover, and a locking member, the housing and the cover enclosing an accommodation space, the locking member being movably disposed in the accommodation space, the locking member having an engaging portion, the engaging portion having a locked position in which it is locked with the engaged portion and an unlocked position in which it is unlocked from the engaged portion; and an operation member, which is movably disposed on the female buckle to selectively actuate the engaging portion to be unlocked from the engaged portion. The cover or the locking member is provided with an elastic member which applies a force to the engaging portion in a direction towards the locked position. The present disclosure provides a buckle with simple structure, light weight, and low assembly cost.

A child safety seat and a safety belt limiting device are disclosed. The child safety seat includes a safety belt limiting device and a seat body. The safety belt limiting device is configured to be attached to the seat body, the safety belt limiting device includes a first engagement portion, and the safety belt limiting device is adapted to detachably engage with a shoulder belt portion of a vehicle-mounted safety belt through the first engagement portion, so as to apply downward traction to the shoulder belt portion.

A child safety seat and a safety belt limiting device are disclosed. The child safety seat includes a safety belt limiting device and a seat body. The safety belt limiting device is configured to be attached to the seat body, the safety belt limiting device includes a first engagement portion, and the safety belt limiting device is adapted to detachably engage with a shoulder belt portion of a vehicle-mounted safety belt through the first engagement portion, so as to apply downward traction to the shoulder belt portion.

A safety belt connecting structure includes first and second shoulder belts, and an adjusting belt. The first and second shoulder belts have corresponding first and second shoulder belt coupling ends and first and second shoulder belt connecting end, and the first shoulder belt engaging end is coupled to a facility where the safety belt connecting structure is installed. The second shoulder belt coupling end is coupled to the facility. The adjusting belt has an adjusting belt connecting end and an adjusting belt adjusting end. The adjusting belt connecting end is connected with the first and second shoulder belt connecting ends, and the adjusting belt adjusting end is adjustably fixed with a positioning portion on the facility, so that an acting length of the safety belt connecting structure with respect to the facility is adjustable by adjusting a position of the adjusting belt with respect to the positioning portion.