Please select the most similar patent number from A, B, C and D. Which number is?
A portable pineapple peeler (100), comprising: a peeler body (120) and a handle (110) which are detachably connected together. The pineapple peeler (100) further comprises a connection rod (140) between the peeler body (120) and the handle (110), wherein the peeler body (120) is detachably connected to the connection rod (140), and the connection rod (140) is detachably connected to the handle (110). The pineapple peeler (100) has different use modes for selection and use by different users, and also can be conveniently carried and transported.
A: Disclosed is a connecting device for an electric balance vehicle and an electric balance vehicle used for carrying goods. The electric balance vehicle (200) comprises a vehicle body (210) and wheels (220) fixed to the vehicle body (210). The number of the vehicle body (210) is two, and the two vehicle bodies (210) are arranged and connected through a rotary mechanism. The rotary mechanism comprises a rotary shaft. One end of the connecting device (100) is detachably and fixedly connected with the electric balance vehicle (200), and the other end of the connecting device (100) is used for being fixedly connected to a goods shelf (300). The connecting device (100) is provided with a handle (400). The electric balance vehicle (200) is connectable to the goods shelf (300) by means of the connecting device (100), which is easy for transporting goods. The connecting device (100) is provided with a handle (400), enabling the user to hold the handle (400) on the connecting device (100) by a hand when driving the goods shelf using the electric balancing car, thereby increasing the stability of the user using an electric balance vehicle.
B: A connecting device (100) for an electric self-balancing vehicle (200) and the electric self-balancing vehicle (200) for goods transportation. The electric self-balancing vehicle (200) comprises two vehicle bodies (210) and wheels (220) fixed on the vehicle bodies (210). The two vehicle bodies (210) are connected by a rotating mechanism, the rotating mechanism comprising a rotating shaft. The connecting device comprises a connecting part (120), a movable part (140) and a fixing part (110) used for fixing to the rotating shaft. One end of the connecting part (120) is detachably fixed to one end of the movable part (140) by means of threaded connection; the other end of the connecting part (120) is configured to be fixedly connected to a goods rack (300); the other end of the movable part (140) is detachably fixed to the fixing part (110) by means of a dowel (150); the movable part (140) can rotate along the dowel (150). The vehicle bodies (210) are provided with a movable groove (211) for movement of the movable part (140). The electric self-balancing vehicle is convenient for users to use and transport goods.
C: An electric balancing vehicle (100), comprising a first vehicle body (110), a second vehicle body (120), and a middle body (130) arranged between the first vehicle body (110) and the second vehicle body (120); the middle body (130) comprises a first plate (131), a second plate (132), a third plate (133), a fourth plate (134), and an adjusting plate (135); one end of the first plate (131) is hinged with one end of the second plate (132) and the other end of the first plate (131) is detachably fixed to the first vehicle body (110); one end of the third plate (133) is hinged with one end of the fourth plate (134), and the other end of the third plate (133) is detachably fixed to the second vehicle body (120); the other end of the fourth plate (134) is hinged with the other end of the second plate (132); one end of the adjusting plate (135) is hinged onto the third plate (133), and the other end of the adjusting plate (135) is detachably fixed on the first plate (131); and when the adjusting plate (135) is detached from the first plate (131), the adjusting plate can be rotated, and thus the electric balancing vehicle can be conveniently carried by a user.
D: A peeling and shelling device, comprising a fingerstall body (1) and a cover plate (2) hinged to the tail end of the fingerstall body; the head end of the fingerstall body has a sheet structure and is provided with a V-shaped groove (3), the groove walls of the V-shaped groove (3) are provided as cutting edges, and the top portions of two ends of the V-shaped groove are arc-shaped; and a peeling blade (4) is provided close to the tail end of the fingerstall body, and the cover plate can cover the peeling blade. The sheet structure at the head end achieve the peeling of fruit shells, the cutting edges of the groove walls of the V-shaped groove achieves the cutting of melon pedicels and picking with a single hand, and the cutting blade achieves the cutting of fruit peels. These settings enable the peeling and shelling device to have multiple functions.
Answer: D