Weighable automatic tracking type draw-bar box
A technology of automatic tracking and trolley case, which is applied in the direction of luggage, clothing, accessories, etc., can solve the problems of life reduction, damage and high cost of trolley case, and achieve the effect of prolonging life
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[0018] Such as figure 1 As shown, a weighable, automatic tracking, wheel-locking trolley box includes a box body 1, a telescopic pull rod 2 is provided on the back of the box body 1, and a telescopic button 3 is provided on the telescopic pull rod 2, and the telescopic button 3 is used for Control the telescopic rod 2 to expand and contract, adjust the length. The top and side of the box body 1 are respectively provided with a first handle 4 and a second handle 9 to facilitate the owner to lift the trolley box regardless of the front or side. The side of the box 1 is provided with a load cell 5 and a display module 7. The load cell 5 and the display module 7 are connected to the processor module 11 through a signal line 6. Place the side of the trolley case with the load cell 5 downward, and the weight of the luggage can be read on the display module 7. The load cell 5 is essentially a varistor R, which is a variable resistance that changes with the magnitude of the pressure ...
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