Please select the most similar patent number from A, B, C and D. Which number is?
The present utility model relates to a belt for a costume. In the present utility model, structures of a belt with a pin buckle and a belt with a box-frame buckle are combined together, and the belt is composed of a belt body with several belt holes at two ends thereof, and a belt buckle head provided with a pin and a short column. This realises the belt having an appearance similar to the pin buckle type belt, but achieving the functions of buckling, fixing and unstrapping with the structure of the box-frame buckle type belt, thus solving the problem that the degree of tightness of a traditional belt with a pin buckle is inconvenient to adjust. Moreover, the belt has the characteristics of a neat appearance, a simple structure, and being convenient to use and more durable.
A: A human body omnidirectional motion positioning belt, comprising a rotating disk component (100) capable of rotating freely in a plane around a vertical fixed axis, a vertical telescoping mechanism (300) connected to the rotating disk component (100) via a damped universal joint (200) and capable of swinging freely with the damped universal joint (200), a horizontal rotating shaft element (400) movably connected to the vertical telescoping mechanism (300) and capable of rotating around a horizontal center shaft, and a belt (500) movably connected to the horizontal rotating shaft element (400) and capable of swinging up and down around a connection, the belt (500) being strapped on the human body and capable of moving simultaneously with the human body; and, a posture measuring module (600) provided on the vertical telescoping mechanism (300) and used for measuring and transmitting triaxial posture information thereof. By providing the combination of the rotating disk component (100), the damped universal joint (200), the vertical telescoping mechanism (300), the horizontal rotating shaft element (400), and the belt (500), implemented is the support and protection for the human body on a motion platform by the belt (500), and by breaking down the rotations of a three-way rotating shaft, ensured is the freedom of movement and posture of the human body in the belt (500).
B: A vertical waistband comprises a vertical position-limiting device provided at any position above a crotch portion of a pair of trousers. The vertical position-limiting device comprises a band. Two ends of the band are respectively fixed to the front side and the back side of the trousers. A portion of the vertical waistband at the front side comprises a left strip and a right strip. Upper end faces of the left strip and the right strip of the portion of the vertical waistband at the front side are respectively fixed to a front waistline portion of the trousers. A portion of the vertical waistband at the back side comprises a left strip and a right strip. Upper end faces of the left strip and the right strip of the portion of the vertical waistband at the back side are respectively fixed to a back waistline portion of the trousers. The left strip and the right strip at the front side and the left strip and the right strip at the back side are connected at a lower end of the crotch portion of the trousers.
C: A life-saving device equipped portable underwater power-assisted propulsion device having a self-adjustable steering function, comprising a waistband (1), a life-saving device (2) and a propulsion device (3), the waistband comprising a waistband back portion (11) and a waistband front portion (12), a buckle (13) for fixing the waistband being provided on the waistband front portion; a mounting plate (15), a first backpack (16) and a second backpack (17) are provided on the outer side of the waistband back portion; a connecting hole (154) and an arc-shaped groove (150) are provided on the outer side of the mounting plate, an arc-shaped rack (155) being provided in the arc-shaped groove; the life-saving device comprises a compressed air tank (22) provided in the second backpack, an air valve (23) and an airbag (21), the airbag being fixedly connected to the waistband; and the propulsion device comprises an upper cylinder body (32) and a lower cylinder body (33). The life-saving device equipped portable underwater power-assisted propulsion device having a self-adjustable steering function has a properly designed structure, and has the advantages of a simple structure, easy use, being safe and reliable, a high degree of intelligence, and having life-saving function, etc., effectively solving the problem that the existing underwater power-assisted propulsion device has no life-saving function.
D: An intelligent massaging waist belt (100) for massaging an acupoint in a waist area, comprising a main body (1), a massaging device (2), and a controller (3). The massaging device (2) and the controller (3) are provided on an inner surface of the main body (1), wherein a massaging ball (20) and a transmission unit (22) used to drive the massaging ball (20) are provided within the massaging device (2). The controller (3) is connected to the massaging device (2), and is used to control the massaging ball (20) and the transmission unit (22). The transmission unit (22) is used to drive the massaging ball (20) to move in the main body (1) to an acupoint in a waist area of a user, and the massaging ball (20) is used to massage the acupoint in the waist area of the user. By employing the waist belt to massage an acupoint in a waist area of a human body, the present invention solves the problem of excessive time and labor required in a manual massage, and improves the effect of massaging an acupoint in a waist area.
Answer: B